Lab3 External files: reading and writing

1
Lab3 External files reading and writing

• One method to read in an ASCII data set
• DATA lab3
• INFILE c\mydata.dat
• INPUT id gender exam1 exam2 hw
• compute final score and grade
• final (exam1 exam2) / 2
• IF (final gt 0 AND final lt 60) THEN
  grade'F'
• ELSE IF final gt 60 THEN grade'P'
• RUN

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Lab3 External files reading and writing

• A method to write out an ASCII data set
• DATA _null_
• SET lab3
• FILE c\score.dat
• PUT id gender final grade
• RUN

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Assignment Lab 23

• Read in the following data and generate a new
  variable called XYZ which is XYZ

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Assignment Lab23

• Save the data as an ASCII data set called
  lab2.dat and try to read in lab2.dat you just
  create
• Write the SAS statements to generate a frequency
  bar chart for GROUP
• Write the SAS statements to generate a separate
  plot of Y vs. X for each value of the GROUP
  variables
• Write the SAS statements to find the mean,
  median, and mode for a new variable XYZ