Amadou - Do you mean the sample covariance between Q and the numbers in your
vector? If so, just put your Q-values in a variable called "Q", your
x-values in a variable called "x" (5 observations for both ) and then issue
the command.
corr Q X,cov
Actually I suspect this is not what you are really asking. Perhaps you can
elucidate.
AL Feiveson
-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of
adiallo5@worldbank.org
Sent: Tuesday, August 24, 2004 11:18 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: Covariance matrice.
Hi,
I have an income variable grouped into 5 categories (Q1 Q2 Q3 Q4 Q5) ie from
poorest to
richest and I want to compute its covariance with the following vector:
| 0.1 |
| 0.3 |
| 0.5 |
X = | 0.7 |
| 0.9 |
How to do that into stata?
I would appreciate any help.
Thanks.
Amadou.
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