Search found 5 matches

by student_m
Thu Mar 13, 2014 6:22 am
Forum: Data Manipulation
Topic: Replace Alphavalues
Replies: 3
Views: 2826

Re: Replace Alphavalues

Thanks!

Follow up question; How do I add a time interval for the command? For example, if I only want to replace for the periode 2002 - 2006, when my total sample is from 2000 to 2010?
by student_m
Mon Mar 10, 2014 3:39 am
Forum: Data Manipulation
Topic: Replace Alphavalues
Replies: 3
Views: 2826

Replace Alphavalues

Hi, I have an alpha series consisting of NAICS(north american industry classification system) codes, such as '63', '74' etc. I am doing a study on industries, and it is possible to divide all the NAICS codes into 9 different industries. My question is how can I replace the different NAICS codes with...
by student_m
Tue Feb 11, 2014 4:01 pm
Forum: Data Manipulation
Topic: Add new series to panel data after filtering
Replies: 5
Views: 3652

Re: Add new series to panel data after filtering

I can try to give an simpler example. Say I have data of operating income for 3 different firms from the period 1990 to 1995. I import these datas into eviews, creating a workfile of panel data. I then remove (drop) the observations for the year 1990 by using "proc" --> "contract curr...
by student_m
Tue Feb 11, 2014 12:57 pm
Forum: Data Manipulation
Topic: Add new series to panel data after filtering
Replies: 5
Views: 3652

Re: Add new series to panel data after filtering

I am working with a data set too big to handle in excel, or at least my version of excel. The data set consist of different accounting statements from different firms over a period from 1994 to 2011. However, to "clean" the data set to make it fit my purpose of use, I had to remove all dat...
by student_m
Tue Feb 11, 2014 7:19 am
Forum: Data Manipulation
Topic: Add new series to panel data after filtering
Replies: 5
Views: 3652

Add new series to panel data after filtering

Hi, I am working with panel data and have runned a lot of filters to exclude unwanted observations, such as data before year 2000 and financial firms etc. However, just noticed that I need to add an extra series to the data set. Will this mess up my already filtered datas? Do I have to run the filte...

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