Re: [SOCIAL]Error with using "sup.col" in CA

[Francois Husson]

Hi,
Without the dataset and the lines of code, it is difficult to answer. Can you anonymize the column and row names and send the code and the data?
FH

Le 16/08/2022 à 17:24, Jan Fuhse a écrit :

Hi!

I am getting an error when trying to use the sup.col function in a CA.

My code looks like this:

ca_schl2 = CA(schl_ct2, ncp = 5, col.sup = 9:12, graph = FALSE, row.w = NULL)

This leads to:

Error in crossprod(as.matrix(X.col.sup), U) : non-conformable arguments

The data seem not to have missings, and I get no error message when using:

ca_schl2 = CA(schl_ct2[,1:8], ncp = 5, graph = FALSE, row.w = NULL)

Only, this doesn't give me coordinates for the passive columns ...

Also, all of the rows and columns have valid 1 entries. In fact, the problems only come up when I use the col.sup function, if not all is fine.

Does anybody know what the problem is, or how I can fix it?

Thanks a lot, and best!

Jan

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	François Husson Department Statistics & Computer science UMR 6625 IRMAR CNRS 65 rue de Saint-Brieuc, CS 84215, 35042 Rennes Cedex Tel: +33 2 23 48 58 86 https://husson.github.io
En 2022, Agrocampus Ouest devient l'Institut Agro Rennes-Angers.