File: ps2-2.inp

package info (click to toggle)
gretl 2016d-1
  • links: PTS
  • area: main
  • in suites: stretch
  • size: 48,620 kB
  • ctags: 22,779
  • sloc: ansic: 345,830; sh: 4,648; makefile: 2,712; xml: 570; perl: 364
file content (19 lines) | stat: -rw-r--r-- 462 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# PS2.2 -- on means, s.d., c.v., Section 2.2
open data2-2 
summary colgpa 
# learn about the summary command 
help summary 
# verify summary statistics by computing them separately 
genr xbar=mean(colgpa)
# s.d. of colgpa 			
genr sdx=sd(colgpa)
# variance of colgpa 		
genr varx = sdx*sdx
# coefficient of variation 		
genr cv = sdx/xbar
# list the variables                 
list
# reset sample range 		
smpl 1 1 
# print variables 			
print xbar varx sdx cv