Hi Everyone,
I am a new student, new to SAS, new here and this is my first of my (many) posts. I have very big file of company information. This is what I have:
Hi Everyone,
I accidently posted before putting down my information. Please check the other one or here it is:
Hi Everyone,
I am a new student, new to SAS, and new to SAS community. I am hoping that you guys will be able to help me with my data problem. I have companies information that I need help with. Here is a sample of the data:
CoID | Year | Profit | R&DEx |
---|---|---|---|
123 | 1998 | -100 | 15 |
123 | 1999 | -100 | 10 |
123 | 2000 | 150 | 15 |
123 | 2001 | 200 | 20 |
456 | 1999 | 50 | 10 |
456 | 2000 | 10 | . |
456 | 2001 | -25 | 15 |
789 | 1999 | 150 | . |
789 | 2000 | -100 | . |
789 | 2001 | 50 | . |
789 | 2002 | 100 | . |
In this table, the first variable "CoID" is company id which is a character in SAS and I want to keep it that way. The second column is the year, which is in number format. The third column is the profit (which can be negative) and the fourth column is Research and Development Expense.
What I want to do with the data is following things:
1) Create a variable called "R&DExAvg" which is the average of the R&D Expense for each company.
2) Create a variable called "R&DMwAvg" which will be filled the missing value of R&D Expense with the average of that variable with respect to that company. If every R&D Expense value is missing, then keep that variable missing as well. If R&D Expense value is filled, then keep that variable same as R&DEx.
3) Create a variable called "Lossin2K" which will be filled with 1 for every value of that company if the profit was below zero during the year 2000 otherwise it will be 0.
4) Create a variable called "Lossporin2K2" which will be filled with 1 for every value of that company if the profit was below zero two years in a row or more during the year 2000 or before otherwise it will be 0.
This is what I need to have after the above mentioned programming done:
CoID | Year | Profit | R&DEx | R&DExAvg | R&DMwAvg | Lossin2K | Lossporin2K2 |
---|---|---|---|---|---|---|---|
123 | 1998 | -100 | 15 | 15 | 15 | 0 | 1 |
123 | 1999 | -100 | 10 | 15 | 10 | 0 | 1 |
123 | 2000 | 150 | 15 | 15 | 15 | 0 | 1 |
123 | 2001 | 200 | 20 | 15 | 20 | 0 | 1 |
456 | 1999 | 50 | 10 | 12.5 | 10 | 0 | 0 |
456 | 2000 | 10 | . | 12.5 | 12.5 | 0 | 0 |
456 | 2001 | -25 | 15 | 12.5 | 15 | 0 | 0 |
789 | 1999 | 150 | . | . | . | 1 | 0 |
789 | 2000 | -100 | . | . | . | 1 | 0 |
789 | 2001 | 50 | . | . | . | 1 | 0 |
789 | 2002 | 100 | . | . | . | 1 | 0 |
I know it is lot to ask but please help me out. I would appreciate if you can help me out with separate data statement for each variable and keeping it simple (please no macro!).
Once again thanks,
The Rock
It's may be not your intention but what your doing here is asking us to do the job for you.
I suggest you give it a go first and then come back with some targeted questions in the bits where you've got stuck. Please also post a data step creating sample data, the code you've already developed and then tell us what's not working and what you need.
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