Min value is appearing same as Max value
Hi Experts
I am not getting the correct min value in my report, it is displaying the same from max.
Can anyone tell me how to get the min value please.
equipment range
date range
unit of measurement
REPORT Z_ESLP_FUEL LINE-SIZE 200 LINE-COUNT 75
NO STANDARD PAGE HEADING.
TABLES : equi,
equz,
imptt,
imrg,
eqkt,
iloa.
Type Declaration
TYPES: BEGIN OF ty_data ,
equnr type equnr, " Euipment no
eqktx type eqkt-eqktx, " Equipment Text
eqfnr type iloa-eqfnr, " Equipment Sort field
idate type imrg-idate, " Measuring Date
recdu type imrg-recdu, " Unit of measuring ='KM','L','H'
recdv type imrg-recdv, " Counter reading data
END OF ty_data.
TYPES: BEGIN OF ty_final,
equnr type equnr, " Equipment no
eqktx type eqkt-eqktx, " Equipment Text
eqfnr type iloa-eqfnr, " Equipment Sort field
min_date type imrg-idate, " Min Date
min_km type p decimals 2, " Max Km
max_km type p decimals 2, " Min km
t_max_min_km type i, " Total min_km-max_km
max_date type imrg-idate, " Max Date
min_hr type imrg-recdv, " Max hr
max_hr type imrg-recdv, " Min hr
t_max_min_hr type i, " Total min_hr-max_hr
min_lit type imrg-recdv, " Max lit
max_lit type imrg-recdv, " Min lit
t_max_min_lit type i, " Total min_lit-max_lit
fuel_con type p decimals 2, " Total_hrs / t_max_min_hr
km_l type p decimals 2, " km / L
lit_per_hr type i , " fuel comsumed / t_max_min_hr
END OF ty_final.
DATA: i_data TYPE TABLE OF ty_data, " internal table
wa_data TYPE ty_data, " work area
i_final TYPE TABLE OF ty_final, " internal table
wa_final TYPE ty_final. " work area
data: begin of itab occurs 0,
num type i,
end of itab.
data: v_min_1 type i,
v_max_1 type i,
min like imrg-recdv,
max like imrg-recdv,
max_dt like imrg-idate,
min_dt like imrg-idate,
t_ma_mi type p decimals 2,
V1 LIKE IMRG-RECDV ,
V2 LIKE IMRG-RECDV .
SELECTION-SCREEN BEGIN OF BLOCK blk WITH FRAME.
SELECTION-SCREEN BEGIN OF BLOCK blk1 WITH FRAME TITLE text-001.
SELECT-OPTIONS: p_equnr FOR equi-equnr ,"no-extension no intervals,
p_idate FOR imrg-idate, "NO-EXTENSION NO INTERVALS OBLIGATORY,
p_recdu FOR imrg-recdu. "NO-EXTENSION NO INTERVALS default 'M3'" OBLIGATORY.
SELECTION-SCREEN END OF BLOCK blk1.
SELECTION-SCREEN BEGIN OF BLOCK blk2 WITH FRAME TITLE text-002.
SELECTION-SCREEN END OF BLOCK blk2.
SELECTION-SCREEN END OF BLOCK blk.
TOP-OF-PAGE.
FORMAT INTENSIFIED ON.
WRITE:/1(40) ' INVESTMENT LIMITED '.
WRITE:/50(40) ' FUEL CONSUMPTION REPORT ' CENTERED ,
2 'Page', sy-pagno.
FORMAT INTENSIFIED OFF.
WRITE:/50(40) '----
' CENTERED .
FORMAT INTENSIFIED ON.
WRITE:/2 sy-datum COLOR 3, sy-uzeit .
"WRITE:/1 S903-SPMON ."p_yearf.
ULINE.
"CENTERED.
write: /2 'Date From :'.
write: /2 'Equipment No :'.
write: /2 'Unit :'.
SKIP.
ULINE.
WRITE:/1 sy-vline,
2 'EQUIP NO', 10 sy-vline,
11 'NAME', 40 sy-vline,
41 'min date', 50 sy-vline,
51 'max date', 60 sy-vline,
61 'min km', 70 sy-vline,
71 'max km' , 80 sy-vline,
81 't_max_min_km', 90 sy-vline,
91 'min hr', 100 sy-vline,
101 'max hr', 110 sy-vline,
111 't_max_min_hr' , 120 sy-vline,
121 'min lit', 130 sy-vline,
131 'max lit', 140 sy-vline,
141 't_max_min_lit', 150 sy-vline,
151 'fuel con', 160 sy-vline,
161 'km_l', 170 sy-vline,
171 'lit_per_hr', 180 sy-vline.
FORMAT COLOR 3 ON.
ULINE.
END-OF-PAGE.
START-OF-SELECTION.
select aequnr deqktx feqfnr eidate erecdu erecdv
into table i_data
from equi AS a
inner join equz as b
on aequnr = bequnr
inner join iloa as f
on biloan = filoan
inner join imptt as c
on aobjnr = cmpobj
inner join eqkt as d
on aequnr = dequnr
inner join imrg as e
on epoint = cpoint
where a~equnr in p_equnr
and
e~idate in p_idate
and
e~recdu in p_recdu.
LOOP at i_data into wa_data.
SORT i_data BY equnr idate descending .
"Read table i_data into wa_data index 1.
move wa_data-recdv to max.
SORT i_data BY equnr idate ASCENDING .
"Read table i_data into wa_data index 1.
move wa_data-recdv to min.
on change of wa_data-equnr.
write:/ wa_data-equnr, wa_data-eqktx ,wa_data-eqfnr ,wa_data-idate ,wa_data-recdu ,
'MAX',max EXPONENT 0 DECIMALS 2,
'MIN',min EXPONENT 0 DECIMALS 2. .
endon.
endloop.
regards
Piroz
Hi
I have change the logic for this program , I have created 2 workareas and internal table now I need help to place the data into
wa_final-max_date = wa_data-idate.
wa_final-min_date = wa_data-idate.
wa_final-max_km = wa_data-recdv.
wa_final-min_km = wa_data-recdv.
wa_final-max_hR = wa_data-recdv.
wa_final-min_hR = wa_data-recdv.
wa_final-max_lit = wa_data-recdv.
wa_final-min_lit = wa_data-recdv.
wa_final-t_max_min_km = wa_data-recdv. " min_km - max_km
wa_final-t_max_min_hr = wa_data-recdv. " min_hr - max_hr
wa_final-t_max_min_lit = wa_data-recdv. " min_lit - max_lit.
so how can I put the logic to the value please correct my program.seeing my program can anyone give some idea ?
REPORT Z_FUEL_MONTHLY_QTY LINE-SIZE 260 LINE-COUNT 75
NO STANDARD PAGE HEADING.
TABLES : equi,
equz,
imptt,
imrg,
eqkt,
iloa.
Type Declaration
*DATA: BEGIN OF ty_equi occurs 0,
equnr type equi-equnr,
END OF ty_equi.
*DATA: BEGIN of ty_eqkt occurs 0,
equnr type eqkt-equnr,
eqktx type eqkt-eqktx,
END OF ty_eqkt.
*DATA: BEGIN of ty_iloa occurs 0,
iloan type iloa-iloan,
eqfnr type iloa-eqfnr,
END OF ty_iloa.
*DATA: BEGIN of ty_imptt occurs 0,
mpobj type imptt-mpobj,
END of ty_imptt.
*DATA: BEGIN of ty_imrg occurs 0,
idate type imrg-idate,
recdv type imrg-recdv,
recdu type imrg-recdu,
END of ty_imrg.
TYPES: BEGIN OF ty_data ,
equnr type equnr, " Euipment no
eqktx type eqkt-eqktx, " Equipment Text
eqfnr type iloa-eqfnr, " Equipment Sort field
idate type imrg-idate, " Measuring Date
recdu type imrg-recdu, " Unit of measuring ='KM','L','H'
recdv type imrg-recdv, " Counter reading data
END OF ty_data.
TYPES: BEGIN OF ty_final,
equnr type equnr, " Equipment no
eqktx type eqkt-eqktx, " Equipment Text
eqfnr type iloa-eqfnr, " Equipment Sort field
min_date type imrg-idate, " Min Date
min_km type p decimals 2, " Max Km
max_km type p decimals 2, " Min km
t_max_min_km type i, " Total min_km-max_km
max_date type imrg-idate, " Max Date
min_hr type imrg-recdv, " Max hr
max_hr type imrg-recdv, " Min hr
t_max_min_hr type i, " Total min_hr-max_hr
min_lit type imrg-recdv, " Max lit
max_lit type imrg-recdv, " Min lit
t_max_min_lit type i, " Total min_lit-max_lit
fuel_con type p decimals 2, " Total_hrs / t_max_min_hr
km_l type p decimals 2, " km / L
lit_per_hr type i , " fuel comsumed / t_max_min_hr
END OF ty_final.
DATA: i_data TYPE TABLE OF ty_data, " internal table
wa_data TYPE ty_data, " work area
i_final TYPE TABLE OF ty_final, " internal table
wa_final TYPE ty_final. " work area
DATA : max_date type date ,
min_date type date,
max_km TYPE p DECIMALS 2,
min_km TYPE p DECIMALS 2,
max_hr TYPE p DECIMALS 2,
min_hr TYPE p DECIMALS 2,
max_lit TYPE p DECIMALS 2,
min_lit TYPE p DECIMALS 2,
t_max_min_km TYPE p DECIMALS 2,
t_max_min_hr TYPE p DECIMALS 2,
t_max_min_lit TYPE p DECIMALS 2.
SELECTION-SCREEN BEGIN OF BLOCK blk WITH FRAME.
SELECTION-SCREEN BEGIN OF BLOCK blk1 WITH FRAME TITLE text-001.
SELECT-OPTIONS: p_equnr FOR equi-equnr, "no-extension no intervals,
p_idate FOR imrg-idate. "NO-EXTENSION NO INTERVALS OBLIGATORY,
"p_recdu FOR imrg-recdu NO-EXTENSION NO INTERVALS ."default 'M3'" OBLIGATORY.
SELECTION-SCREEN END OF BLOCK blk1.
SELECTION-SCREEN BEGIN OF BLOCK blk2 WITH FRAME TITLE text-002.
SELECTION-SCREEN END OF BLOCK blk2.
SELECTION-SCREEN END OF BLOCK blk.
TOP-OF-PAGE.
FORMAT INTENSIFIED ON.
WRITE:/1(40) ' INVESTMENT LIMITED '.
WRITE:/50(40) ' FUEL CONSUMPTION REPORT ' CENTERED ,
2 'Page', sy-pagno.
FORMAT INTENSIFIED OFF.
WRITE:/50(40) '----
' CENTERED .
FORMAT INTENSIFIED ON.
WRITE:/2 sy-datum COLOR 3, sy-uzeit .
"WRITE:/1 S903-SPMON ."p_yearf.
ULINE.
"CENTERED.
write: /2 'Date From :'.
write: /2 'Equipment No :'.
write: /2 'Unit :'.
SKIP.
ULINE.
WRITE:/1 sy-vline,
2 'EQUIP NO', 10 sy-vline,
11 'NAME', 40 sy-vline,
41 'SORT', 60 sy-vline,
61 'MIN DATE', 74 sy-vline,
75 'MAX DATE', 87 sy-vline,
88 'MIN KM', 100 sy-vline,
101 'MAX KM' , 113 sy-vline,
114 'TOTALK', 126 sy-vline,
127 'MIN HR', 139 sy-vline,
140 'MAX HR', 152 sy-vline,
153 'TOTALH' , 167 sy-vline,
168 'MIN LIT', 180 sy-vline,
181 'MAX LIT', 193 sy-vline,
194 'TOTALL', 206 sy-vline,
207 'FUEL CON', 219 sy-vline,
220 'KM L', 232 sy-vline,
233 'LIT PER KM', 246 sy-vline.
FORMAT COLOR 3 ON.
ULINE.
END-OF-PAGE.
START-OF-SELECTION.
select a~equnr d~eqktx f~eqfnr e~idate e~recdu e~recdv
into table i_data
from equi AS a
inner join equz as b
on a~equnr = b~equnr
inner join iloa as f
on b~iloan = f~iloan
inner join imptt as c
on a~objnr = c~mpobj
inner join eqkt as d
on a~equnr = d~equnr
inner join imrg as e
on e~point = c~point
where a~equnr in p_equnr
and
e~idate in p_idate.
loop at i_data into wa_data.
CLEAR: wa_final.
READ TABLE i_final into wa_final
with key equnr = wa_data-equnr.
if sy-subrc EQ 0.
PERFORM prepare_final_rec USING'M'. " Modify Existing Record
ElSE.
PERFORM prepare_final_rec USING'A'. " Append New Record.
ENDIF.
ENDLOOP.
LOOP AT i_final into wa_final.
WRITE:/1 sy-vline,
2 wa_final-equnr , 10 sy-vline,
11 wa_final-eqktx , 40 sy-vline,
41 wa_final-eqfnr , 60 sy-vline,
61 wa_final-min_date , 74 sy-vline,
75 wa_final-max_date , 87 sy-vline,
88 wa_final-min_km EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 100 sy-vline,
101 wa_final-max_km EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 113 sy-vline,
114 wa_final-t_max_min_km EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 126 sy-vline,
127 wa_final-min_hr EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 139 sy-vline,
140 wa_final-max_hr EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 152 sy-vline,
153 wa_final-t_max_min_hr EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 167 sy-vline,
168 wa_final-min_lit EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 180 sy-vline,
181 wa_final-max_lit EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 193 sy-vline,
194 wa_final-t_max_min_lit EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 206 sy-vline,
207 wa_final-fuel_con EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 219 sy-vline,
220 wa_final-km_l EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 232 sy-vline,
233 wa_final-lit_per_hr EXPONENT 0 DECIMALS 2 LEFT-JUSTIFIED , 246 sy-vline.
ULINE.
endloop.
FORM prepare_final_rec USING p_mode TYPE char1.
SORT i_data BY equnr idate descending .
if wa_data-recdu = 'KM'.
max_km = wa_data-recdv.
min_km = wa_data-recdv.
endif.
if wa_data-recdu ='H'.
max_hr = wa_data-recdv.
min_hr = wa_data-recdv.
endif.
if wa_data-recdu ='L'.
max_lit = wa_data-recdv.
min_lit = wa_data-recdv.
endif.
at new equnr.
read table i_final into wa_final index sy-tabix.
write:/ wa_final-equnr, wa_final-eqktx ,wa_final-eqfnr ,wa_final-idate ,
'Min KM',min_km EXPONENT 0 DECIMALS 2 color 7 ,
'Min H',min_hr EXPONENT 0 DECIMALS 2 color 7 ,
'Min L',min_lit EXPONENT 0 DECIMALS 2 color 7.
endat.
*at end of equnr.
read table i_data into wa_data index sy-tabix.
write:/ wa_final-equnr, wa_final-eqktx ,wa_final-eqfnr ,wa_final-idate ,
'Max KM', max_km EXPONENT 0 DECIMALS 2 color 7,
'Max H', max_hr EXPONENT 0 DECIMALS 2 color 7,
'Max L', max_lit EXPONENT 0 DECIMALS 2 color 7.
*endat.
wa_final-max_date = wa_data-idate.
wa_final-min_date = wa_data-idate.
wa_final-max_km = wa_data-recdv.
wa_final-min_km = wa_data-recdv.
wa_final-max_hR = wa_data-recdv.
wa_final-min_hR = wa_data-recdv.
wa_final-max_lit = wa_data-recdv.
wa_final-min_lit = wa_data-recdv.
wa_final-t_max_min_km = wa_data-recdv. " min_km - max_km
wa_final-t_max_min_hr = wa_data-recdv. " min_hr - max_hr
wa_final-t_max_min_lit = wa_data-recdv. " min_lit - max_lit.
IF p_mode = 'A'.
wa_final-equnr = wa_data-equnr.
wa_final-eqktx = wa_data-eqktx.
wa_final-eqfnr = wa_data-eqfnr.
APPEND wa_final TO i_final.
ELSE.
MODIFY i_final FROM wa_final
TRANSPORTING
max_date
min_date
max_km
min_km
max_hr
min_hr
max_lit
min_lit
t_max_min_km
t_max_min_hr
where equnr = wa_data-equnr.
ENDIF.
ENDFORM. " PREPARE_FINAL_REC
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insert into test values('A','50','4/8/2010');
insert into test values('B','100','1/8/2010');
insert into test values('B','10','2/8/2010');
insert into test values('B','20','3/8/2010');
insert into test values('B','10','1/8/2010');
insert into test values('B','100','11/8/2010');
insert into test values('B','100','12/8/2010');
insert into test values('B','100','13/08/2010');
I want OP like
name min_value min_value_date max_value max_value_date
A 10 02/08/2010 50 04/08/2010
B 10 01/08/2010 100 13/08/2010Santosh.Minupurey wrote:
Hi.....
try dis,
SQL> SELECT A.NAME,A.VALUE,MIN(A.V_DATE),B.VALUE,MAX(B.V_DATE)FROM TEST A,TEST B WHERE
2 (A.NAME,A.VALUE) IN (SELECT NAME,MIN(VALUE) FROM TEST GROUP BY NAME) AND
3 (A.NAME,B.VALUE) IN (SELECT NAME,MAX(VALUE) FROM TEST GROUP BY NAME) GROUP BY A.NAME,A.VALUE,B.VALUE;
NAME VALUE MIN(A.V_DATE) VALUE MAX(B.V_DATE)
A 10 2/8/2010 50 4/8/2010
B 10 1/8/2010 100 13/08/2010Regards,
Santosh.MinupureyHere is another way using the FIRST and LAST functions
SQL>select name,
2 min(value) min_value,
3 min(v_date) keep (dense_rank first order by value) min_value_date,
4 max(value) max_value,
5 max(v_date) keep (dense_rank last order by value) max_value_date
6 from test
7 group by name;
N MIN_VALUE MIN_VALUE_D MAX_VALUE MAX_VALUE_D
A 10 02-AUG-2010 50 04-AUG-2010
B 10 01-AUG-2010 100 13-AUG-2010For more info, check http://download.oracle.com/docs/cd/B19306_01/server.102/b14223/analysis.htm#i1007059 -
Finding the min value in a hashtable
Hi,
I'm trying to work out the lowest value contained in a hashTable. So far I've got.
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
public class StoreValuesDouble extends Statistic {
* Each object of the class (StoreValuesDouble) will have these attributes.
* When you call the StoreValuesDouble class you can use
* myDoubleValues (a Vector holding Double types),
* Hashtable (a Hashtable using Double types as values and keys) and
* nullValues (an Double currently set to 0.0).
Vector<Double> myDoubleValues; //declare a variable myDoubleValues that is of data type Vector
Hashtable<Double, Double> myValues; //declare a variable myvalues that is a data type Hashtable
Double nullValues = 0.0; //Double attribute to count the number of null values contained in the vector
* pass myDoubleValues to inValues
* @param Vector /<Double/> a vector holding Double values
* @param inValues the values in the vector
* @return
public void DoubleStat(Vector<Double> inValues) {
myDoubleValues = inValues;
* calculate the mean of myDoubleValues
* @return mean of myDoubleValues as a double
public double meanDouble() {
double mean = 0;
Double currentDouble;
double nonNull = 0;
for (double j = 0; j < myDoubleValues.size(); j++)
currentDouble = myDoubleValues.elementAt((int) j);
if (currentDouble != null) {
mean += currentDouble.doubleValue();
nonNull++;
return mean / nonNull;
* calculate the standard devitation of myDoubleValues
* @return standard devitation of myDoubleValues as a double
public double standardDeviationDouble() {
double m = meanDouble();
double t = 0.0;
Double currentDouble;
double n = 0;
for (double j = 0; j < getDoubleValues(); j++) {
currentDouble = myDoubleValues.elementAt((int)j);
if (currentDouble != null) {
n = currentDouble.doubleValue();
t += (n - m) * (n - m);
return Math.sqrt(t / (myDoubleValues.size() - 1.0));// n - 1 as sample varience
* return the number of values of myDoubleValues to help calculate the mean & standard deviation
* @return the size of myDoubleValues as a Double
public double getDoubleValues() {
return myDoubleValues.size();
* compute the number of null values
* @return a double value representing the number of null values
public Double getDoubleNull() {
Double nbNull = 0.0;
// test if myIntValues is null
if (myDoubleValues == null) {
System.out.println("Please enter values that are not null!");
return 0.0;
// if not null, parse all values
// for each value, test if it is null or not
Double currentDouble;
for (double i = 0; i < myDoubleValues.size(); i++) {
currentDouble = myDoubleValues.elementAt((int)i);
if (currentDouble != null) {
/// nothing to do
else {
nbNull++;
return nbNull;
//find the MIN values in the Hashtable to give us the range (with the MAX value)
public Double MinDouble()
Double MinDouble = null;
Double currentValue;
for (double j = 0; j < myDoubleValues.size(); j++)
currentValue = myDoubleValues.elementAt((int) j);
if (currentValue != null){
if (currentValue <= MinDouble) {
MinDouble = currentValue;
return MinDouble;
/*find the MAX value in the Hashtable to give us the range (with the MIN value)
public double MAX()
* Create an instance of StoreValuesDouble to hold vector values and number of times the values
* appear. StoreValuesDouble automatically contains the variables defined above
* (myDoubleValues, myValues and nullValues) we have to initialise myDoubleValues and myValues
* as they have been defined but not initialised. nullValues has been defined (int) and initialised (0).
* @param Vector /<Double/> a vector holding Double values
* @param inValues the values in the vector
* @return
public StoreValuesDouble(Vector<Double> inValues) {
myDoubleValues = inValues; //the attribute myDoubleValues defined in the StoreValuesDouble class
//is the inValues parameter, this allows us to store the Vector in inValues
myValues = new Hashtable<Double, Double>(); // create an instance of/initialise Hashtable
* Now define the methods to make the instance StoreValuesDouble do what we want it to do
* (ie parse all the double values of the myDoubleValues Vector attribute.
public void computeDoubleValues() {
Double currentDouble;//local variable to store the current read Double object
* Use a for loop to read through all the values contained in the vector
for (double i = 0; i < myDoubleValues.size(); i++) {
currentDouble = myDoubleValues.elementAt((int)i);
//currentDouble is now the Double object stored at i
//to check that i is not null we use the if statment
if (currentDouble != null) {
//i is not null so we want to add it to the hashtable. Rather than writing a lot of code
//here to do checking and adding we just call a method that can be written seperately
updateDoubleTable(currentDouble);
else {
//i is null so we just count it by adding it to our nullValues attribute
nullValues++;
* Update the current distribution of Doubles
* @param Double for the value of the key
* @param inDouble for the value entered into the Hashtable (the object)
public void updateDoubleTable(Double inDouble) {
//First test that variable inDouble is not null
if (inDouble != null) {
//update the table myValues this involves two tasks
//1)see if the double object has already been seen
//so we create a local variable to test the Hashtable
boolean alreadyPresent;
alreadyPresent = myValues.containsKey(inDouble);
//here we check whether inDouble is already in myValues
if (alreadyPresent) {
//if it is present we need to increase the counter
Double counter = myValues.get(inDouble);
//local variable counter to get the value associated to the key inDouble
Double newCounter = new Double(counter.intValue() + 1.0);
//update counter values and then ...
myValues.put(inDouble, newCounter);
//put into myValues
//as Hashtable can store only Objects, we cannot use primitive types
// so we use Objects related to primitive types as Integer, Float, Double
// or Boolean (here, we use Double)
} else {
//store the double and set it's counter to 1
myValues.put(inDouble, new Double(1));
} else {
//do nothing
//now we want to display the values
public void displayDoubleTable() {
// to display the distribution, we need to parse all the keys of the
// hashtable and access to the value associated to each key
Enumeration<Double> keys = myValues.keys();
Double currentKey;
Double currentValue;
System.out.println("");
System.out.println("Hashtable Information:");
System.out.println("");
System.out.println(myDoubleValues.size() + " Double objects in initial vector");
System.out.println("");
while (keys.hasMoreElements()) {
currentKey = keys.nextElement();
currentValue = myValues.get(currentKey);
System.out.println("The value " + currentKey.doubleValue()
+ " has been seen " + currentValue.doubleValue()
+ " time(s) in the initial Vector");
System.out.println("");
System.out.println("There were " + nullValues
+ " null Double object(s) in the inital Vector");
}As part of the StoreValuesDouble class. And to display it.
package statistics;
import java.util.Vector;
public class TestStatDouble {
static Vector<Double> doubleVector;
* Create and initialise a vector of values and compute the mean,
* standard deviation, distribution and MIN/MAX values.
public static void main(String[] args) {
// initialise the values in initValues
initValues();
// create an instance of StoreValuesDouble taking double as the parameter
StoreValuesDouble is = new StoreValuesDouble(doubleVector);
//Display the results
displayVectorContent(doubleVector);
System.out.println("");
System.out.println("Number of null values: " + is.getDoubleNull());
System.out.println("Number of non-null values is: " +(is.getDoubleValues() - is.getDoubleNull()));
System.out.println("Number of all values: " + is.getDoubleValues());
System.out.println("The mean is: " + is.meanDouble());
System.out.println("Standard deviation is: " + is.standardDeviationDouble());
System.out.println("The lowest value is " + is.MinDouble());
System.out.println("");
* now I want to display the results from the displayTable method in the StoreValuesDouble
* class so I create an instance of StoreValuesDouble and use the computeDoubleValues and
* displayDoubleTable methods.
StoreValuesDouble storeValues = new StoreValuesDouble(doubleVector);
storeValues.computeDoubleValues();
storeValues.displayDoubleTable();
* create the class method initValues() to add values to the Vector doubleVector
public static void initValues()
doubleVector = new Vector<Double>();
doubleVector.addElement(null);
doubleVector.addElement(new Double(10.9));
doubleVector.addElement(new Double(15.95));
doubleVector.addElement(new Double(17));
doubleVector.addElement(null);
doubleVector.addElement(new Double(1));
doubleVector.addElement(new Double(4));
doubleVector.addElement(new Double(10.499));
doubleVector.addElement(null);
doubleVector.addElement(new Double(10.4999));
doubleVector.addElement(new Double(17));
doubleVector.addElement(new Double(-15));
doubleVector.addElement(null);
doubleVector.addElement(new Double(14));
doubleVector.addElement(new Double(20));
doubleVector.addElement(new Double(-3));
doubleVector.addElement(null);
doubleVector.addElement(new Double(9));
doubleVector.addElement(new Double(1.5));
doubleVector.addElement(null);
doubleVector.addElement(new Double(10.22));
doubleVector.addElement(new Double(15.23));
doubleVector.addElement(new Double(17.91));
doubleVector.addElement(null);
* class method to print values contained in the vector doubleVector to the console.
* @param doubleVector the Vector to be displayed
public static void displayVectorContent(Vector doubleVector)
Double currentDouble;
System.out.println("Double values within the Vector:");
for (int i=0; i<doubleVector.size();i++)
try
currentDouble = (Double) doubleVector.elementAt(i);
if (currentDouble != null)
System.out.print(currentDouble.toString() + " ");
catch(ClassCastException cce)
System.out.print(cce.getMessage() + " ");
cce.printStackTrace();
System.out.println("");
It compiles fine but when I try and run it I get a
Exception in thread "main" java.lang.NullPointerException
at statistics.StoreValuesDouble.MinDouble(StoreValuesDouble.java:139)
at statistics.TestStatDouble.main(TestStatDouble.java:37)
TestStatDouble 37 is
System.out.println("The lowest value is " + is.MinDouble());139 is
if (currentValue <= MinDouble) {I guess the problem's in my if loop but I'm not sure why. Any help would be appreciated.
Message was edited by:
Ali_DCouple of points about your code:
1. Don't declare your instance variables as solid types, declare them using their interfaces (where applicable), so in your case don't specifiy that you are using Vector or Hashtable, use List and Map. This will allow you to easily change your code to use a different collection, if and when appropriate. Also the unnecessary overhead of Vectors synchronisation means that you should use ArrayList instead of vector (that means that you will have to use get(int) instead of elementAt() but that's a very small price to pay.
2. Declare local variables as close to their point of usage as possible. (Unless you need to do this for your course work, in which case you don't have a choice).
3. Use the appropriate data type. For your count of null values you should be using an int or a long (you can't have a fractional count value!) Also, this should have been obvious to you, when you had to cast the value to an int for use with your lists. (Using double as an index is a very bad idea... And before you go posting the question, do a search on why floating point precision may not give you the results you expect)
4. Code defencively... e.g. in your meanDouble() method, you set nonNull to 0, and then you do a division using that value. What do you think is going to happen if your loop doesn't execute once? Division by zero... You should handle these cases, rather than letting them fail ignominiously.
5. If you are doing code like this... if (currentDouble != null) {
// / nothing to do
} else {
nbNull++;
} Why have the empty block? You should just do the inverse.
if (currentDouble == null) {
nbNull++;
} Far simpler, and expresses exactly what you are trying to do, not what you are not trying to do.
6. Enumeration --- What version of java is that course being run in? I can see that you are using autoboxing, so it has to be 1.5 so, WHY is your lecturer encouraging the use of Vectors, Hashtables, and Enumerations!?!?!
Anyway, that should be enough to be going on with. -
Update a table based on Min value of a column of a Another Table.Pls Help.
Dear All,
Wishes,
Actually I need update statement some thing like below scenario...
Data in table is like below:
I wrote a query to fetch data like below ( actually scenario is each control number can have single or multiple PO under it ) (i used rank by to find parent to tree like show of data)
Table: T20
Control_no P_no Col3
19950021 726473 00
19950036 731016 00
19950072 731990 00
731990 01
19950353 734732 00
734732 01
19950406 736189 00
736588 01
736588 02
736588 03
Table : T30
Control_no P_no col3
19950021 726473
19950036 731016
19950072 731990
731990
19950353 734732
734732
19950406 736189
736588
736588
736588
Now requirement is I need to update Table T30's col3 (which do have values in T20 but not this table) in such a way that , It should take MIN (COL3) from T20 and then update that value to related Col3)
Better I can explain through below new data format in T30 after update:
After update it should like:
Table : T30
Control_no P_no col3 (this is updated column)
19950021 726473 00 -- as this is min value for Pno 726473 belongs to Control NO 199950021 in Table T20 above
19950036 731016 00 -- as this is min value for Pno 726473 belongs to Control NO 199950021 in Table T20 above
19950072 731990 00 -- see here..both Pno should updated as '00' as MIN value col3 in Table T20 related to this
731990 00 record is '00' (out of 00,01 it should select 00 and update that value here)
19950353 734732 00 -- same again both Pno should updated as '00' as MIN value col3 in TableT20 related to this
734732 00 record is '00' (out of 00,01 it should select 00 and update that value here)
19950406 736189 00 -- As there is single col3 value in T20, 00 should be updated here.
736588 01 -- Here it should update col3 as '01' since for this pno(736588)
736588 01 -- Here too it should update col3 as 01 per requirement ,minimum value of this pno in T20
736588 01 -- same here too.. Sorry if my post formatting is not good...
Hope i am clear in my requirement..(update T30 col3 based on min value of col3 of related records)
Please suggest some update sql for this...(ideas would be great)
I am using oracle 10 g version soon will be migrated to 11g..
Regards
Prasanth
Edited by: Onenessboy on Oct 20, 2010 12:13 PM
Edited by: Onenessboy on Oct 20, 2010 12:15 PMOnenessboy wrote:
I am really sorry, my post so nonsense in look..
I used to use for actuall code..
the out put i tryped, i used [pre] , [/pre] but still does not look good..
hmm..thanks for your suggestion hoek..
so any ideas about my requirement...I would suggest spending a bit more time trying hoek's suggestion regarding {noformat}{noformat} tags instead of repeatedly asking for more help.
Because to understand your requirement, people are going to have to read it first. -
Read a txt file, display a table of values, select a value to set min value for DAQMX
Hello everyone, I am having trouble with the following data importing. I want to do the following:
Open a txt file, have it be imported as a table. Allow the user in the GUI to select a value on the 2nd column, set that value as either min or max for a daqmx analog output. I'll attach the .txt file being used. I can add the code but I was basically using the read from text.vi example with no luck.
Attachments:
090414-200-800-16x.txt 1 KBThank you all, I have set up this input but I have a couple more questions. First now that I have the ability to have a mouse click to set a value, is it possible to have two events, such that the first sets a certain value and the second retains a different one?
In addition (im not sure if this would be ok to post here but for the sake of clarity and decluttering the forum I shall post it here) is it possible to switch from a constant voltage mode (in DAQMX analog output) to a waveform mode ( attacthed the binary waveform) all while maintaining a constant min value (untill updated from the table by user, which is also attached).
I have attachted a vi (Labview version 8.2) that I threw together today.
Thank you all,
DB
Attachments:
calib.csv 3 KB
Example.vi 157 KB -
Result row shows min. value as Blank.
Hi Guru,
I have following scenario in query,
Eg.
1.Values in objects in column, 10,000
Blank (no value)
2,000
Blank(No value)
Result Row shows Blank (instead of 2,000)
2. Values in same object in same column 10,000
2,000
3,000
1,000
Result row shows 1,000 (which is Correct one)
If value in column is blank then it is showing me minimum value as blank but in real it has to display min of all row, second if row is not blank then it is showing correct min. value in result row (As mentioned in second examlp)
Please suggest me what i have to do to get exact min. of all values in Result row.
Thanks,
Ganesh.hi all,
Thanks for contribution.
But i want min. values from all rows in my result row.if it is not suppresed by Zero then also it hase to display min value (I MEAN fIGURE LIKE 2,000) from row.
if i do supress Zero then it is diplaying as Blank hense all resulti row is display blank but i dont want that i want if row value is Zero or Blank it will display as min. of all figure NOT ZERO OR BLANK LIKE ABOVE EXAMPLE IT IS 2,000.
Thanks,
Ganesh. -
HOW TO SELECT MIN VALUE UNDER DEFAULT TAG OF SELECT LIST
GREETINGS,
I M USING APEX 4.1 AND CREATED SELECT LIST ON PAGE, I WANT TO SHOW MIN VALUE OF THE SELECT LIST FOR THAT I WROTE IN THAT SELECT LIST PROPERTIEC UNDER DEFAULT TAG MIN; AND CHOOSE PL/SQL EXPRESSION BUT ITS GIVING ERROR "Error computing item default value for page item P1_PRODUCT."
BUT IF I HARCORE THE VALUE CONTANING IN MY DATA LIKE PRODUCT ID = 1, I HARDCODED IN DEFAULT VALUE 1 AND SELECT PL/SQL EXPRESSION IT WORKS.
BUT ITS NOT DONE LIKE THIS I WANT TO SELECT BY DEFAULT MIN VALUE OF THE SELECT LIST, SO THAT THE DATA SHOULD BE DISPLAYED ACCORDING TO THAT.
THE EXACT REQUIREMNT IS TO ENTER THE SELECT LIST DEFULAT VALUE IN SESSION SO THAT DATA IS TO BE DISPLAYEDHi,
you have some options:
1) you can try setting default value of P1_SELECT_PRODUCT item, I was do it
2) or you can try send the value of P1_SELECT_PRODUCT value in URL, like this:
http://apex.oracle.com/pls/apex/f?p=45296:1:0::::P1_SELECT_PRODUCT:4
3) or you can set the session state of P1_SELECT_PRODUCT item on page 101 (login page) by seting this value in Login process on page 101
HELLO kIAS !
SETTING DEAFULT VALUE VALUE OF P1_SELECT_PRODUCT_ITEM IS NOT A SOLUTION ON THIS MATTER, BECASUE P1_SELECT_PRODUCT IS CALLED DYNAMICALY AFTER THE LOGIN DEPEND UPON THE RIGHTS OF THE USER THE SELECT IS POPULATED ID USER IS E.G ABC AND IT DOESBNOT CONTAIN SELECT LIST VALUE 4 THEN IT DISPLAY NOTHING.
AND THIRD POINT MAY BE HELP ME BUT I DONT KNOW HOW TO SET SESION STATE BECASUE WHEN I GO TO LOGIN PAGE AND CREATE SESSION STATE PROCESS FOLLOWING RADIO BUTTOPN APPEARS
Clear Cache For Applications (removes all session state for listed applications)
Clear Cache For Current Application (removes all session state for current application)
Clear Cache For Current Session (removes all state for current session)
Clear Cache for Items (ITEM,ITEM,ITEM)
Clear Cache for all Items on Pages (PageID,PageID,PageID)
Reset Preferences (remove all preferences for current user)
Set Preference to value of Item (PreferenceName:ITEM)
Set Preference to value of Item if item is not null (PreferenceName:ITEM)
WHICH ONE I HAVE TO SELECT ? -
Multidimensional NSArray: How to find min value with valueForKeyPath ?
Hi,
I've setup a multidimensional NSArray with columns and rows. The data is read from a file and are float values.
I can easily access the data like this:
NSLog(@"Row[0][0] %f", [[[rows objectAtIndex:0] objectAtIndex:0] doubleValue] );
NSLog(@"Row[0][1] %f", [[[rows objectAtIndex:1] objectAtIndex:0] doubleValue] );
NSLog(@"Row[0][2] %f", [[[rows objectAtIndex:2] objectAtIndex:0] doubleValue] );
etc.
However I don't know how to get the min/max values for a column in a 2 dimensional NSArray.
With a simple NSArray it's easy to retrieve the min/max value:
NSArray *array = [NSArray arrayWithObjects:[NSNumber numberWithInt:16], [NSNumber numberWithInt:4], [NSNumber numberWithInt:128], nil);
NSLog(“Min value : %@", [array valueForKeyPath:@"@min.intValue"]);
Now, does someone know how to retrieve min/max values with valueForKeyPath: ?
Any help is greatly appreciated.
Cheers,
Gilles#import <Foundation/Foundation.h>
int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSMutableArray * array = [[NSMutableArray alloc]init];
NSMutableArray * another = [[NSMutableArray alloc]init];
NSNumber * num1 = [NSNumber numberWithFloat:1.1];
NSNumber * num2 = [NSNumber numberWithFloat:1.2];
NSNumber * num3 = [NSNumber numberWithFloat:1.3];
[another addObject:num1];
[another addObject:num2];
[another addObject:num3];
[array addObject:another];
NSLog(@"%@",[[array objectAtIndex:0] valueForKeyPath:@"@min.floatValue"]);
[another release];
[array release];
[pool drain];
return 0;
Maybe I'm not 100% clear on the question your asking, but doesn't the above code get the min(or max if you wanted) value for the second array
Maybe you are looking for
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Hi guys! I am Testing web site which is having a flash video files. if I select an video file, it will open a new window and play the video. now I want to find out the video player in which band with using to play with out any buffering. Actually ou
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