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  1. 123sush

    How to use nested file - reading data from nested file

    Hi, I have 50 patients information and each is in saperate .txt file. The name of TXT file has a format like PAT00001.txt for 1st patient, PAT00002.TXT for second patient.. and this all file names are listed in another text file. I need to read these patient information and study it. To read...
  2. 123sush

    How to use LAG or Retain function in Array

    Hi, I have a data set with price of 23 drugs in past 5 years.I need to find out each year average price by subtracting current year with previous year divide by two for all 23 drugs and for all years. I am thinking to use DO loop for year and durgs and use of lag function to get last price...
  3. 123sush

    Reading raw data file

    I am new to SAS and I need to generate report for an input data given name of care, their rating and year. The report should show average rating of car in particular year. Te data look like car1 car2 car3 car4 car5 car6 .......car30 1990 3 2 1991 4 4 and so on...

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