[R] Problem with my analysis

Uwe Ligges ligges at statistik.tu-dortmund.de
Thu Dec 30 16:21:19 CET 2010

On 30.12.2010 15:37, Yemi Oyeyemi wrote:
> Dear R-users,
>                        I have problem or at cross-road on using discrminant
> analysis for my set of data. All my dependent variables are all categorical,
> hence the normalty assumption is no longer valid. Is it still right to use
> discrminant analysis or is there any non-parametric technique or approach to
> discriminant analysis?

Discriminant analysis is not necessarily based on a certain distribution 
assumption, the "Fisher" approach is only based on the assumption of 
similar covariance within classes.

Anyway, it does not make much sense with categorical variables, why not 
start with a tree, for example.

Uwe Ligges

> Thanks OYEYEMI, Gafar Matanmi
> Department of Statistics
> University of Ilorin
> P.M.B 1515
> Ilorin, Kwara State
> Nigeria
> Tel: +2348052278655
> Tel: +2348068241885
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