Many thanks!
My data looks like eactly what you stated but country x has high, middle and low income groups (individuals)�and the same is applied for country y, z and w. Now, I want to test, whether there is statistically significant difference�among�high income groups across countries. The same is also true for mindle and low income groups. In short: the null hypothesis is no difference among countries� for low, middle and high income groups (I need separate test for each income groups)
Nigussie
----- Original Message ----
From: Nick Cox <[email protected]>
To: [email protected]
Sent: Monday, October 6, 2008 7:18:49 PM
Subject: st: RE: Nonparametric test
These are your variables, but what is your data structure?
Do your data look like this?
Country� Income group
x� � � � � � 1
y� � � � � � 2
z� � � � � � 2
w� � � � � � 3
Or do you have replicates (e.g. areas, individuals) within each country?
And what hypothesis are you testing?
Nick
[email protected]
nigussie Tefera
I have two categorical variables: namely incomecat (1=high,2=middle and 3=low income) and country ( labeled as (x, y, z, w)). Suppose that each country has high, middle and low income group. If I want to run paired test for each income group across countries, what stata command� should I use?
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