Search found 37 matches

by mark
Thu Feb 03, 2011 3:51 pm
Forum: Programming
Topic: tables
Replies: 5
Views: 4763

tables

Hi - eviews 7.1 I have a large panel data set - trying to write a program to extract and save summary data on two variables over six regions. I'm able to it to run through region_map "1" and produce the necessary tables but don't know how to dump the values when it loops throught he follow...
by mark
Tue Jan 11, 2011 11:22 am
Forum: Data Manipulation
Topic: unbalanced panel
Replies: 3
Views: 3717

Re: unbalanced panel

get an error when I try this genr try=@maxby(qty,@X) I want put the the maximum value from each "X" section in a new series called "try". The number of observations vary by "X" Works if I just want the max of "qty" but when I add by the cross section identifie...
by mark
Tue Jan 11, 2011 10:06 am
Forum: Data Manipulation
Topic: unbalanced panel
Replies: 3
Views: 3717

unbalanced panel

Eviews 7.1 I working with unbalanced panel data set (870, 3705) How can I extract the maximum value for each project (870) and dump it into a series tried: series try=@maxby(projectnum, @crossid) Second I have a decriptive string variable which vaires within each project and across project - I'm sam...
by mark
Mon Nov 29, 2010 10:30 am
Forum: Data Manipulation
Topic: panel data extract
Replies: 7
Views: 5203

panel data extract

Using 7.1

I have an unbalanced panel data set and need to extract (1) one record in each panel (2) the record with the minimum value. the panel is 660 *3,800

Tried variations of @obsid=@first(projectnum, qty)

Suggestions?
thanks
by mark
Thu Aug 05, 2010 10:14 am
Forum: Programming
Topic: indexing
Replies: 1
Views: 2902

indexing

Greetings

I want to index a time series to a base period
How do you designate the base period in a "gern" command?

thanks
by mark
Wed Jul 21, 2010 11:36 am
Forum: Data Manipulation
Topic: string maipualtion
Replies: 3
Views: 3881

Re: string maipualtion

I have 100,000 or so strings that vay in lenght from one to 250 characters. I am attempting to extract the sample of records containing the word "Aggregate" from an unstructured panel data set. genr s4=@wkeep(itemdesc,"*Agg*") I can genrate the sample containing only the records ...
by mark
Fri Jul 16, 2010 9:41 am
Forum: Data Manipulation
Topic: string maipualtion
Replies: 3
Views: 3881

string maipualtion

Using EV7.1. I have 100,000 or so strings that vay in lenght from one to 250 characters. I am attempting to sample using the following code: genr s4=@wkeep(itemdesc,"*Agg*") where itemdesc is an alpha series and "*Agg*" is the seach string When I run it, I get one of two error me...
by mark
Fri Jul 09, 2010 12:56 pm
Forum: Data Manipulation
Topic: saving means into a series
Replies: 1
Views: 2442

Re: saving means into a series

figured it out - thanks
by mark
Fri Jul 09, 2010 12:02 pm
Forum: Data Manipulation
Topic: saving means into a series
Replies: 1
Views: 2442

saving means into a series

Hi Using eviews 7.1, unstructured panel data test2 is year test is month Trying to save the mean values for "unitprice" into a new series called test3 but no luck Advice appreciated for %var unitprice smpl if test2=5 and worktype="Paving" and activitydesc="mobilization"...
by mark
Fri Jul 02, 2010 11:04 am
Forum: Programming
Topic: sampling
Replies: 2
Views: 2848

Re: sampling

thanks
by mark
Fri Jul 02, 2010 10:10 am
Forum: Programming
Topic: sampling
Replies: 2
Views: 2848

sampling

I need to generate a number of samples in a dataset using the 6 and 7th characters from an alpha series with 60K records. Here is an example data point: 02101OP0004 I've tried tyo sample the set using various combinations of wildcards to not avail - I get "sample has no observations". Here...
by mark
Thu Apr 29, 2010 2:03 pm
Forum: Programming
Topic: search x and replace with Y IF (eviews 7)
Replies: 2
Views: 3208

Re: search x and replace with Y IF (eviews 7)

thanks - would have taken me a week
have 2 beers on me
by mark
Thu Apr 29, 2010 1:35 pm
Forum: Programming
Topic: search x and replace with Y IF (eviews 7)
Replies: 2
Views: 3208

search x and replace with Y IF (eviews 7)

Hi I have a series with 65,000 observations where the value varies from 1 to 12 I need to find values 1 to 3, 4 though 6, 7 through 9 and 10 through 12 then generate a new series containing values of 1, 2, 3, or 4 in the approrpiate cells I've been attempting this with the following code to no avail...
by mark
Thu Apr 08, 2010 9:40 am
Forum: Data Manipulation
Topic: extacting portions of a string
Replies: 1
Views: 2761

extacting portions of a string

Hi
Working with irregular dated data - strings are "MM/dd?yyyyy"
Id like to etract "MM/YYYYY"
I have 60,000 observations - is there a function that will do the trick?
thanks
by mark
Wed Apr 07, 2010 1:43 pm
Forum: Data Manipulation
Topic: sample issue
Replies: 6
Views: 5145

Re: sample issue

Hi - tried your solution to no avail

I've attached the workfile in an unstructed format along with the sample declaration. Hope you can help

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