Hi Giuseppina,
First, you should tell us why do you need the categories and how many of them do you need. There are many possibilities how to proceed, and the decision between them depends on the purpose of the procedure.
Greetings
Jan
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
[hidden email]] On Behalf Of Giuseppina Chiri
Sent: Wednesday, January 24, 2007 3:15 PM
To:
[hidden email]
Subject: intervals for continuous variables
Dear list,
My question is in regard to constructing intervals for a continuous variable.
I have a variable that measures individuals’ total support needs. In this sample (n=548) it varies from 60 to 141 and it is slightly left-skewed.
I would like to create categories but I don’t know how to do this. Should I simply look at the histogram and visually decide where there is a breaking point?
Any help or suggestions would be greatly appreciated.
SIS support needs index Stem-and-Leaf Plot
Frequency Stem & Leaf
2.00 6 . &
6.00 6 . 57&
8.00 7 . 022&
21.00 7 . 566889999&
29.00 8 . 0022233333444
31.00 8 . 555566677799999
51.00 9 . 00001111112222333333344
48.00 9 . 5555556666668888999999
41.00 10 . 00001112222233333333
80.00 10 . 55555556666667777777778888888889999999
69.00 11 . 0000000001111111133333333444444444
42.00 11 . 55556666666677777888
32.00 12 . 000111123334444
24.00 12 . 555555668899
16.00 13 . 0011223
.00 13 .
1.00 14 . &
Stem width: 10
Each leaf: 2 case(s)
Locked
