STAT 6250 Chapters 4 to 6 Problems
Chapter 4
1.
/* Create a permanent SAS data set */
libname learn 'c:\Users\Yuen\Documents\6250\Homework\HW1';
data learn.perm;
input ID : $3. Gender : $1. DOB : mmddyy10.
Height Weight;
label DOB = 'Date of Birth'
Height = 'Height in inches'
Weight = 'Weight in pounds';
format DOB date9.;
datalines;
001 M 10/21/1946 68 150
002 F 5/26/1950 63 122
003 M 5/11/1981 72 175
004 M 7/4/1983 70 128
005 F 12/25/2005 30 40
;
/* Read the data set in a library */
proc contents data=learn.perm varnum;
run;
title "Listing of Data Set Perm";
proc print data=learn.perm;
format DOB date9.;
run;
The CONTENTS Procedure
Data Set Name
Member Type
Engine
Created
Last Modified
Protection
Data Set Type
Label
Data Representation
Encoding
LEARN.PERM
DATA
V9
Thursday, April 09, 2009 01:20:12 AM
Thursday, April 09, 2009 01:20:12 AM
Observations
Variables
Indexes
Observation Length
Deleted Observations
Compressed
Sorted
5
5
0
32
0
NO
NO
WINDOWS_32
wlatin1 Western (Windows)
Engine/Host Dependent Information
Data Set Page Size
Number of Data Set Pages
First Data Page
Max Obs per Page
Obs in First Data Page
Number of Data Set Repairs
File Name
Release Created
Host Created
4096
1
1
126
5
0
c:\Users\Yuen\Documents\6250\Homework\HW1\perm.sas7bdat
9.0101M3
WIN_PRO
Variables in Creation Order
1
STAT 6250 Chapters 4 to 6 Problems
#
Variable
Type
Len
Format
Label
1
2
3
4
5
ID
Gender
DOB
Height
Weight
Char
Char
Num
Num
Num
3
1
8
8
8
DATE9.
Date of Birth
Height in inches
Weight in pounds
2. The column headings of DOB, Height and Weight in the data set Perm use the heading name
assigned by the LABEL statement. However, their column headings from the PROC PRINT use
the input variable name.
2
STAT 6250 Chapters 4 to 6 Problems
Obs
ID
Gender
1
2
3
4
5
001
002
003
004
005
M
F
M
M
F
DOB
21OCT1946
26MAY1950
11MAY1981
04JUL1983
25DEC2005
Height
Weight
68
63
72
70
30
150
122
175
128
40
Chapter 5
*5-1;
proc format;
value agegrp 0 31 51 71 value $party 'D'
'R'
30 = '0 to 30'
50 = '31 to 50'
70 = '50 to 70'
high = '71 and older';
= 'Democrat'
= 'Republican';
3
STAT 6250 Chapters 4 to 6 Problems
value $likert '1'
'2'
'3'
'4'
'5'
run;
=
=
=
=
=
'Strongly Disagree'
'Disagree'
'No Opinion'
'Agree'
'Strongly Agree';
data voter;
input Age Party : $1. (Ques1-Ques4)($1. + 1);
label Ques1 = 'The president is doing a good job'
Ques2 = 'Congress is doing a good job'
Ques3 = 'Taxes are too high'
Ques4 = 'Government should cut spending';
format Age agegrp.
Party $party.
Ques1-Ques4 $likert.;
datalines;
23 D 1 1 2 2
45 R 5 5 4 1
67 D 2 4 3 3
39 R 4 4 4 4
19 D 2 1 2 1
75 D 3 3 2 3
57 R 4 3 4 4
;
title "Listing of Voter";
proc print data=voter;
***Add the option LABEL if you want to use the
labels as column headings;
run;
title "Frequencies on the Four Questions";
proc freq data=voter;
tables Ques1-Ques4;
run;
*5-2;
proc format;
value $grouped '1','2' = 'Generally Disagree'
'3' = 'No Opinion'
'4','5' = 'Generally Agree';
run;
title "Grouped Frequencies";
proc freq data=voter;
tables Ques1-Ques4 / nocum;
format Ques1-Ques4 $grouped.;
run;
*5-3;
data colors;
input Color : $1. @@;
datalines;
4
STAT 6250 Chapters 4 to 6 Problems
R R B G Y Y . . B G R B G Y P O O V V B
;
proc format;
value $color 'R','B','G' = 'Group 1'
'Y','O' = 'Group 2'
' '
= 'Not Given'
Other
= 'Group 3';
run;
title "Color Frequencies (Grouped)";
proc freq data=colors;
tables color / nocum missing;
*The MISSING option places the frequency
of missing values in the body of the
table and causes the percentages to be
computed on the number of observations,
missing or non-missing;
format color $color.;
run;
*5-4;
*Modify this libname statement;
libname learn 'c:\books\learning';
options fmtsearch=(learn);
proc format library=learn fmtlib;
value agegrp 0 - 30 = '0 to 30'
31 - 50 = '31 to 50'
51 - 70 = '50 to 70'
71 - high = '71 and older';
value $party 'D' = 'Democrat'
'R' = 'Republican';
value $likert '1' = 'Strongly Disagree'
'2' = 'Disagree'
'3' = 'No Opinion'
'4' = 'Agree'
'5' = 'Strongly Agree';
run;
data learn.voter;
input Age Party : $1. (Ques1-Ques4)($1. + 1);
label Ques1 = 'The president is doing a good job'
Ques2 = 'Congress is doing a good job'
Ques3 = 'Taxes are too high'
Ques4 = 'Government should cut spending';
format Age agegrp.
Party $party.
Ques1-Ques4 $likert.;
datalines;
23
45
67
39
19
D
R
D
R
D
1
5
2
4
2
1
5
4
4
1
2
4
3
4
2
2
1
3
4
1
5
STAT 6250 Chapters 4 to 6 Problems
75 D 3 3 2 3
57 R 4 3 4 4
;
Chapter 6
*6-2;
data soccer;
input Team : $20. Wins Losses;
datalines;
Readington 20 3
Raritan 10 10
Branchburg 3 18
Somerville 5 18
;
options nodate nonumber;
ods listing close;
ods csv file='c:\books\learning\soccer.csv';
proc print data=soccer noobs;
run;
ods csv close;
ods listing;
*6-3;
*Modify this libname statement;
libname readit 'c:\books\learning\soccer.xls';
title "Using the Excel Engine to read data";
proc print data=readit.'soccer$'n noobs;
run;
6