DAX - how to use dax to return a previous row value?

Hi,
I was trying to use the EARLIER function but couldn't make it work:
EVALUATE
SUMMARIZE (
CALCULATETABLE (
'Inscricoes',
'Ano Letivo'[ID_TB_DIM_ANO_LETIVO] <= VALUE(26),
'Ano Letivo'[ID_TB_DIM_ANO_LETIVO] > VALUE(26) - 5,
'Escola'[ID_TB_DIM_UNIDADE_ORGANICA] = VALUE(6),
Curso[ID_TB_DIM_CURSO] = VALUE(372),
'Tipo de Inscricao no Curso'[DS_TIPO_INSCRICAO_CURSO]
= "Matrícula"
'Ano Letivo'[ID_TB_DIM_ANO_LETIVO],
'Ano Letivo'[DS_ANO_LETIVO],
"NR_INSCRICOES", [NR_ESTUDANTES_INSCRITOS])
This generates:
ID_TB_DIM_ANO_LETIVO
DS_ANO_LETIVO
NR_INSCRICOES
22
2010-11
93
23
2011-12
101
24
2012-13
84
25
2013-14
85
26
2014-15
104
I need a new field that does returns the previous value of subscriptions (NR_INSCRICOES), so last 2 columns will be:
93 -
101 - 93
84 - 101
85 - 84
104 - 85
Need some help. Thanks

Hi Pedro,
According to your description, you want to get the previous row data along with each row. Right?
In DAX, we can use EARLIER() function to achieve this requirement. Please refer to link below:
PowerPivot DAX Session Notes 2 – Previous Row
In this scenario, I suggest you select the three columns into one table(let's say TABLE1). Then you can try the expression below:
=CALCULATE(MAX(TABLE1[NR_ESTUDANTES_INSCRITOS]), (FILTER(TABLE1,EARLIER(TABLE1[ID_TB_DIM_ANO_LETIVO])>TABLE1[ID_TB_DIM_ANO_LETIVO])))
Reference:
EARLIER Function (DAX)
Best Regards,
Simon Hou
TechNet Community Support

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Edited by: Rama on Jan 9, 2013 11:39 AM
Edited by: Rama on Jan 9, 2013 11:50 AM

Hi,
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t AS
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SELECT
FROM
T
model
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rules
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Reagrds,
Aditya
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BI Blog: http://oraclebi.blogspot.com/
DM Blog: http://oracledmt.blogspot.com/
BI on Oracle: http://www.oracle.com/bi/
BI on OTN: http://www.oracle.com/technology/products/bi/
BI Samples: http://www.oracle.com/technology/products/bi/samples/

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3 FROM names cur LEFT OUTER JOIN names old
4                 ON cur.company_name = old.company_name
5 WHERE cur.adate>=250 and cur.adate<=252 and
6        old.adate>=247 and old.adate<=249;
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ABC                35           35         10           10        252        247
ABC                25           25         10           10        251        247
ABC                15           15         10           10        250        247
ABC                35           35         20           20        252        248
ABC                25           25         20           20        251        248
ABC                15           15         20           20        250        248
ABC                35           35         30           30        252        249
ABC                25           25         30           30        251        249
ABC                15           15         30           30        250        249
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WHERE adate BETWEEN 247 and 252
GROUP BY company_nameHTH
John

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</html>
So there will be two pages for one popup window...and I call this html by javascript in the father window...
I wanna use just two pages to do all the work for other similar popup windows...

How to get firefox to return to previous link and not reload it

When viewing content from a page in a tab, clicking the back button causes the previous page to reload in stead of just returning to it. That makes it impossible (without opening the info in a new tab) to return to a page and click the next item you want to view because it is no longer there.
Also, sometimes you get the message that the previous page is not available with a "try again" button.
I just want the back button to return to the previous page and NOT reload it.
I'm hoping there's an about:config setting that fixes this.
Version 32.0.3
TIA

In order to change your Firefox Configuration please do the following steps :
# In the [[Location bar autocomplete|Location bar]], type '''about:config''' and press '''Enter'''. The about:config "''This might void your warranty!''" warning page may appear.
# Click '''I'll be careful, I promise!''' to continue to the about:config page.
browser.cache.check_doc_frequency
Set how often to check accuracy of cached documents
* 0 : Once per session
* 1 : Each time
* 2 : Never
* 3 : When appropriate/automatically

How to use String Function Find() in a String Value Test?

Hi,
i intend to match a substring of the string returned from my UUT when using a String Value Test - VI call.
I write the returned string to a Local Variable type String (Locals.data_read) and in the Limits Tab - under Expected String Value am using Find(Locals.data_read, "Connected"). When i Check the expression for Errors - i get a warning "Expected String, found Number {64-bit Floating Point}. this value will cause a run-time error."
What am i missing?
Thanks
Kech
Solved!
Go to Solution.

The Find function evaluates to a number:
Number Find(String string, String stringToSearchFor, Number indexToSearchFrom = 0, Boolean ignoreCase = False, Boolean searchInReverse = False)
Returns: The zero-based character index, starting at the beginning of the string, of the first character in the substring. The function returns -1 if it does not find the substring.
It looks to me like you need to do a numeric step type. Not a string value test.
Or you can do something like this:
Find(Locals.data_read, "Connected") < 0 ? "Doesn't Matter What Is Here" : Locals.data_read
Hope this helps,
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~

How to use PPR in Adv Tbl specific row specific UI element/attr/field

I have an editable advanced table, it has a controlling column that depending on the value you select will require or not require specific fields
how do I use ppr to enable this feature without risking affecting the other rows within the advanced table?
Example
Sample Table
Row 1, Value is "A" = Field 2 and Field3 is required
Row 2, Value is "B" = Filed 2 is required Field 3 is not

Found a solution.
Create a transient attribute in the Adv Table target VO that will store "require" flags, e.g. RequireField1
Modify target field Required Attribute in the Advanced table UI, spel must point to this value.
catch and pass EVENT_SOURCE_ROW_ID_PARAM in the PPR event to the AM method.
set the RequiredField transient attr,

DAX - how to use dax to return a previous row value?

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