topic Re: Script If, Else Error? in QlikView

Script If, Else Error?

Tue, 03 Jul 2012 20:35:27 GMT

Hi community,

I think I have a bug in the script. If not please correct me. I'm making a field of if(StatementA,FieldA,if(StatementB,FieldA,if(StatementC,FieldA))) as FieldB, I thought that this was how to do if/else in the script, but I found that for each of the ifs that are true FieldA is stored as a value for FieldB. What am I missing, is there a way to rewrite this to get what I want which is exclusive if/else? An example from my code is below.

if(match(date(Date),date(monthend(Date))),[Adj Close],if(match(date(Date),date(monthend(Date)-1)),[Adj Close],if(match(date(Date),date(monthend(Date)-2)),[Adj Close]))) as Close2,

Re: Script If, Else Error?

chematos — Tue, 03 Jul 2012 20:49:07 GMT

I would write monthend out of date function: monthend(date(Date))

and I would use monthend(addmonths(date(Date),-1))

if(match(date(Date),date(monthend(Date))),[Adj Close],if(match(date(Date),date(monthend(Date)-1)),[Adj Close],if(match(date(Date),date(monthend(Date)-2)),[Adj Close]))) as Close2

I haven´t tried but I hope this helps.

The if clause seems fine

Re: Script If, Else Error?

Tue, 03 Jul 2012 21:00:21 GMT

It seems to me that you want to add the field [Adj Close] if it is the last 3 days of the month, rtight?

why don´t you simplify your if:

if ( date(Date) >= (date(monthend(Date)-2)) , [Adj Close] ) )

Re: Script If, Else Error?

Tue, 03 Jul 2012 21:22:12 GMT

Actually, I want the last day of the month that exists only. I thought the code I used above would give me that for most cases, but it gives me all 3 days values if it exists for all 3 days.

What I want is the value on the last day of the month it exists.

Re: Script If, Else Error?

Tue, 03 Jul 2012 21:34:18 GMT

I have already done something like it when loading (something like it):

// gets the last month

TEMP:

LOAD max(MT_MES) as maxcod

RESIDENT META;

LET vMaxMes = peek('maxcod');

// gets the last date of each month

drop table TEMP;

FOR i = 1 TO $(vMaxMes)

LAST_DATES:

LOAD $(i) AS COD_MONTH_TEMP,

max(date) as last_day

RESIDENT table;

// gets the values on the last dates of each month

LAST_VALUES:

LOAD COD_MONTH_TEMP AS COD_MONTH

FROM LAST_DATES as DAY;

join

LOAD

COD_MONTH, DAY, VALUE

resident table;

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