hello,


I created a correspondence anlalysis plot with the ca package using the command


plot(ca(mymatrix)).


I got two different colours for the rows and the colums, like it is
standard i gather.


My question is, if it is possible to get more - for example 3 -
different colours?



In the following example, the question that parents were asked in a survey was:



how often does your child eat hamburgers?


I have got a frequency matrix for this question with the following
colums and rows:



                never sometimes often always


male

female

3 to 4 years
5 to 6 years
7 to 8 years

9 to 10 years


now I would like R to automatically create differnt colours for male
and female on the one hand and the age of the children on the other
hand.


Thank you very much for your help in advance.


Marion

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