Graphs using dates

I have a column of values, each associated with a particular date in the adjacent column. The dates and values are listed in chronological order, but they are not evenly spaced in time. (Values are recorded on randomly spaced dates.) I want to plot values as a function of time with the dates spaced according to the number of elapsed days. A standard approach yields all dates equally spaced with no regard for the number of elapsed days between the actual dates.

I have same problem. Trying to plot voltage as function of time and my time values are not evenly spaced. Numbers graph does not reflect source data time distribution, values in the graph are evenly distributed. I'm using hh:mm as time number format.

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I Want to graph useing MSGraph with array data

Hi..
I need to skill to graph using the msgraph with array data
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Sort issue on graph (line/bar) X-AXIS when using dates

I have a line chart using dates on the x-axis, formatted as mm/dd/yyyy. This worked fine until the new year and now the sort order displays 01/xx/2008 before (left of) a 12/xx/2007 date.
My quick fix was to change the format to yyyy-mm-dd, but I really don't like the way this looks.
Is there a better solution?

Hi Jason,
here is the steps you should follow in order ro set the sorting for barchart.
1. go to chart expert
2. click on data tab
3. select the field in the selected list of report columns on which you have to sort, then the order button will be enabled
4. click on the order button
5 it will open new window by name "chart sort order", where you can set the sorting order(ascending order, descending order, specified order or the original order) for the selected report column.
I hope this will help you..
Regards
Deepa

What is the best way to graph CAN data?

Hi All,
Even after years of trying, I am still really lousy at using the LabVIEW graphing functions, so I hope you will be patient with me.
I am currently writing code to monitor a CAN bus. I have messages with five different arbitration IDs coming in at irregular time intervals. Generally, there is between between 5ms and 100ms between packet arrival times. My first currently captures the raw CAN data and parses it according to the format requirements for each arbitration ID and shows the corresponding values from the parsed data. It also saves the raw data into a txt file. Each entry saves a time stamp, Arb ID, message length and 8 CAN bytes, which is the length of each CAN packet.
I have another program which takes the raw data from the original txt file and resaves it as formatted data, broken out into parsed values. I use this two-step process to make my CAN capture program run faster.
I have two graphing needs right now:
1. Graphing the ruasi-real-time values of the parsed CAN data as they are acquired in my CAN capture program. This needs to happen in as little time as possible, giving me usable graphs or charts without bogging down the program. If graphing the data takes up too much CPU time, I could graph data samples once every XXXms, instead of graphing everything that comes in. If graphing the data proves too CPU intensive, I might just give up on this real time graphing.
2. Graphing the entire parsed data set in my second, post-capture program. Speed is not as important in this program because I am not capturing real time data while it is running. This graph needs to include each data point vs. its associated timestamp.
Any recommendations on which graphing functions to use in these programs would be greatly appreciated.
Thanks!

I'm not sure what you mean by "graphing functions." I have code running now that receives a CAN message every 1ms. Every 100ms, all the data received in that period is added to a chart. I'm using a less-expensive USB CAN card (so no on-board filtering) and my code has no problem filtering by arb id in software. I'm doing this by grabbing all received messages from the buffer every 10ms and, in a for loop, checking the arbitration ID of each packet. If the ID matches the one I want to graph, I convert the CAN packet to 4 16-bit values and put them in a queue. In a separate loop, every 100ms I flush the queue and write the contents to the chart. Here's the relevant bit of my code. Does this help?

Three Graphs and Data need to display in a single screen

Hi Gurus,
I have a requirment that customer wants to see three graphs and data in a single screen.
The data will be avilable in a single query, how can i display. I gone through with many SDN blogs, but i did not get the solution.
Requirment is:
First graph Business Unit informaiton, there are around 7 BUs, under each BU, they have 3-7 Industry groups.
Second Graph: Industry Group, under each industry group there are no of customers, i want to display top ten customers.
Third Graph: Top Ten Customers.

Hi Karanam,
Assuming you are using WAD;
First graph Business Unit information, there are around 7 BUs, under each BU, they have 3-7 Industry groups.
-You would need to have a Query that displays the BUs with their Industry Group count i.e BU in the Rows with Industry Count as the KF - I assume you want to show count here
-Build a Data Provider DP1 on the Query
-Drag a Chart webitem onto the web template & assign DP1 to it - use a Column/Bar Chart to display the Category 'BU' & Series 'Industry Count'
Second Graph: Industry Group, under each industry group there are no of customers, i want to display top ten customers.
-You need to have a Query that displays the Industry Groups & top 10 Customers within each i.e. - create a Query Condition to achieve top 10 Customers based on some criteria - I assume Sales Revenue or likewise
-Build a Data Provider DP2 on the Query
-Drag a Chart webitem onto the web template & assign DP2 to it - use a Column/Bar Chart to display the Categories 'Industry Group', 'Customer' & Series 'Sales Revenue' or likewise
Third Graph: Top Ten Customers.
-You need to have a Query that displays the top 10 Customers i.e. - create a Query Condition to achieve top 10 Customers based on some criteria - I assume Sales Revenue or likewise
-Build a Data Provider DP3 on the Query
-Drag a Chart webitem onto the web template & assign DP3 to it - use a Column/Bar Chart to display the Category 'Customer' & Series 'Sales Revenue' or likewise
--Priya
Edited by: Priya Jacob on May 27, 2010 7:41 AM

How do I get the numbers ipad app to plot a graph of dates against values, where the most recent date is on the right of the graph, but the most recent date is at the top rather than bottom of the rows in the table?

How do I get the numbers ipad app to plot a graph of dates against values, where the most recent date is on the right of the graph, but the most recent date is at the top rather than bottom of the rows in the table?
Also how can it be a line graph without plotting a circle at each value?
Thanks this is very frustrating

Make a copy of the table and produce your Line chart or Bar chart from the copy. Sort the copy into the order you want to see in your chart.
Alternately you could use a Scatter Chart...
Jerry

How to Draw a line Graph using x,y Cordinates in Java ?

Hi,
what r the easiest way to draw a line Graph using Java Code either applet.
can u give me code sample. or any package where we can pass some parameter so that accoring to the paramter as i know jfreeChart.function() like some method is there from toold jChart.
Is it possible.
Regards,
Prabhat

There's a number of sample applications in one of the packages of freechart, one of which should do the trick.
If you're doing applets I suggest you look at genjar from the sourceforge site. What that does is bundle classes from a set of library jars into one jar, selecting only classes that are referenced. That should simplify the transfer problem.
To draw graphs, typically, you create a DefaultXYDataset object, add data points and then use the appropriate ChartFactory.createXXX methods to build a chart object. Then you wrap that in a ChartPanel to display.

How is it possible to draw a graph using without any label along the x-axis

Hi,
I created a bar-graph using the tabular data below:
public List getTabularData() {
List list = new ArrayList();
String[] rowLabels = {"Allocation","Forecast", "Bookings", "Loaded"};
for (int r = 0 ;r<rowLabels.length ;r++ ) {
if ( r == 0) {
list.add(new Object[]{"Alloc/Forecast",rowLabels[r],new Double(_allocation)});
if ( r == 1) {
list.add(new Object[]{"Alloc/Forecast",rowLabels[r],new Double(_forecast)});
if ( r == 2) {
list.add(new Object[]{"Booking/Loaded",rowLabels[r],new Double(_bkg)});
if ( r == 3) {
list.add(new Object[]{"Booking/Loaded",rowLabels[r],new Double(_loaded)});
return list;
This is creating a two groups "Alloc/Forecast" and "Booking/Loaded". Group labels are shown in the x-axis.
But I don't want to show the labels. Instead, only the graph with two groups without any labels in x-axis. How is it possible ?

User,
I haven't tested this at all - you may want to have a look at the [url http://download.oracle.com/docs/cd/E12839_01/apirefs.1111/e12418/tagdoc/dvt_o1TickLabel.html]dvt:o1TickLabel component to see if it can suppress the labels.
John

Graphing loses Date/Time stamp.

I use Field Point to collect pressure and temperature data. The each channel is calibrated for span and offset then stored and graphed. When I combine the array of pressures and send it to a date/time graph the date ends up being a random date. I find it absurd that NI has not fixed this simple problem. I have spent months working with them and all they have done is add pages of code and 60+ shift registers to fix such a simple problem.
Is there a smart programmer out that that can do this easily. Of the 5-6 NI programmers I have worked with. None of them have been able to give me a simple fix to this problem
Thanks for any advice.

Can you post any of the code?
Mike...
Certified Professional Instructor
Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
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How to create drilldown bar graph using clicklistener

Hi,
I have a view object that sums some data and tags each sum accordingly - eg sum salary grouped by department name.
I display this using a horizontal bar graph.
I want to now be able to click on a bar and then have the details displayed in a table. I am led to believe from chapter 24 of the manual it is possible to do using no java coding (ie not having to create a bean etc).
You can use the row selection listener of a graph (which serves as a master view) to enable clicks on a bar, slice, or other graph data element to update the data in another ADF component (which serves as a detail view). For example, a click on a bar that represents sales for a given product in a graph might cause the display of the detailed sales data related to the product in a pivot table.
The following requirements must be met to achieve this master-detail processing declaratively:
1. You must use the same tree data control to provide data for both views as follows:
1. Bind the graph as a row set to one level in the data control.
HOW ?
2. Bind the other ADF view (such as a table or pivot table) to a lower level in the tree data control.
I don't have a nested iterator - is it saying to use a master-detail scenario like dept/emp ?
2.
Set a value for the clickListener attribute of the graph tag in the Behavior page of the Property Inspector and use the processClick method that is already part of the graph binding.
For example, if the value attribute of the graph tag is value="#{bindings.myGraph.graphModel}", then the clickListener attribute should be clickListener="#{bindings.myGraph.graphModel.processClick}".
3. Ensure that the partialTriggers attribute on the parent tag for the detail component is set correctly. It should be set to the ID of the graph component.
You do not have to write Java code for handling clicks on data elements in the graph. The processClick event on the graph binding recognizes click events on data component in a graph and performs the necessary processing.
Are they suggesting all you need to do is ensure you have proper master-detail tables set up and it will automatically work ?
cheers
Edited by: Dom Klein on May 27, 2009 8:06 PM

Hi Frank,
thanks for replying. I opened a TAR about this as I cannot produce a drilldown table. I created a VO with my summary - eg
select decode(manager_id, 100, 'fred',
123, 'bill', 120, 'kate', 121, 'julia', 147, 'ken', 108, 'james', 148, 'liz',
149, 'phil', 205, 'jack', 102, 'eric', 'dominic') manager_name, sum(salary) as salaries
from employees
GROUP BY
decode(manager_id, 100, 'fred',
123, 'bill', 120, 'kate', 121, 'julia', 147, 'ken', 108, 'james', 148, 'liz',
149, 'phil', 205, 'jack', 102, 'eric', 'dominic')
Then I created a detail view object (from HR.employees) and added a calculated column :
SELECT Employees.EMPLOYEE_ID,
Employees.FIRST_NAME,
Employees.LAST_NAME,
Employees.EMAIL,
Employees.PHONE_NUMBER,
Employees.HIRE_DATE,
Employees.JOB_ID,
Employees.SALARY,
Employees.COMMISSION_PCT,
Employees.MANAGER_ID,
Employees.DEPARTMENT_ID,
decode(manager_id, 100, 'fred',
123, 'bill', 120, 'kate', 121, 'julia', 147, 'ken', 108, 'james', 148, 'liz',
149, 'phil', 205, 'jack', 102, 'eric', 'dominic') AS manager_name
FROM EMPLOYEES Employees
I create a new viewlink which links on manager_name. When I run the bc4j appmodule I can see the correct master-detail relationship. IF I drag a master-detail table onto the page it works fine.
Now if I create a graph using the master and then create a table using the detail I can't get it to use this relationship even after setting the processClick() and the id for the graph set on the partial trigger of the table. Any ideas ?
cheers

Graph series data

How can you access a paritcular series' data in graph XML?
I'm trying to create a graph with 2 y-axis but to do that I think I'll need to access the two series separately to do so. Currently I'm just using #DATA#.
http://xs140.xs.to/xs140/09262/graph262.png
Mike

What data type is your key? The chronological key is required for the time series formulas (ago etc.).
The time series chart requires a date or datetime data type to work - perhaps a new column with the first of the month/period would help? Regards,
Robret

EXCEL GRAPHS SHOWING DATA FOR SAP

ANYBODY KNOW ANY FUNCTION CALL TO EXCEL GRAPHS SHOWING DATA FOR SAP

Hi,
Please don't use all Caps in Subject and Body Text too
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Best Regards,
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Hi,
I need to display a dvt:lineGraph containing 2 Y axis.
The data for the graph is tabular data from a backing bean.
I am able to display a single y axis graph.
But since dual y graph needs two series set I am facing problem in specifying that which rows belongs to first series set and which rows belong to the other series set.
The tabular data is a dynamic one which may change upon every partial refresh every 5 seconds.
regards
Lalatendu Patra

Hi,
Please see my response on this thread on how to achieve this with a relational data control:
Re: Drilldown in ADF DVT charts using data control
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Katia

Why does "itunes accounts" use data with all settings OFF?

Does anyone know how to keep "iTunes accounts" under system from using cellular data?
I have already:
1. Toggled OFF all settings in the "Use cellular data for" menu.
2. Turned OFF all automatic downloads and any other options under iTunes/app store settings.
3. Turned OFF Background App refresh.
4. Turned OFF all options under iCloud sync menu.
Right now, the only thing that keeps "iTunes accounts" from pulling cellular data is turning Cellular Data completely OFF, but I don't want to do this because I lose some messaging and voicemail functions and I need to be able to use Find My Phone. I have two identical iPhone 5c's on this account. One is running iOs 8.1.2 and the above settings control it's data usage nicely. The other phone is running iOs 8.1.3 and this one uses 50-100 mb a day even with all the above settings off and the phone almost always on wifi.
I am aware that the phone will lose it's wifi connection when asleep, but that shouldn't be a problem if all the apps/settings are already set not to use cellular data. What am I missing. I've read a bunch of threads on this issue and they all suggest settings I already have OFF.

My personal phone is on 8.1.2. My daughter's phone is 8.1.3.
It is her phone that is currently having this problem, but I reported it under my account; sorry for the confusion.
My phone has had some data problems in the past, but I have been able to control them by keeping almost all data options OFF and the overall switch ON. My usage is back to less than 50 mb per month which makes sense since my phone is almost always on wifi and I don't use data dense applications.
Everything about my daughter's phone is the same as mine except for the 8.1.3 upgrade. She does use things like Instagram more than I do, but I have them all set to not use Cellular Data and the option to change these settings is locked. When I look at the usage on her phone, it isn't her apps that are pulling unexpected data; it's "iTunes accounts" under system services. All the options under iTunes/App Store (auto downloads, home sharing, etc.) and all the iCloud options are already OFF.

Can we load data in chunks using data pump ?

We are loading data using data pump. So I want to clear my understanding.
Please correct me if I am wrong on my understandings -
ODI will fetch all data from source (whether it is INIT or CDC ) in one go and unload into staging area.
If it is true, will performance hamper in case very huge data (50 million records at source) at source as ODI tries to load entire data in one go. I believe it will give better performance if we load in chunks using data pump.
Please confirm and correct.
Also I would like to know how can we configure chunk load using data-pump.
Thanks in Advance.
Regards,
Dinesh.

You may consider usingLKM Oracle to Oracle (datapump)
http://docs.oracle.com/cd/E28280_01/integrate.1111/e12644/oracle_db.htm#r15c1-t2
In 11g ODI reads from source and write to target in parallel. This is the case where you specify select query in source command and insert/update query in the target command. At source side Odi reads records from source and add them to a data queue. At target side a parallel thread reads data from the data queue and writes to the target. So the overall performance would be the slower of the read or write process.
Thanks,

Graphs using dates

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