
Good eveninig,

I work on R and i want to do an MCA but, i find difficulty in calculating the contribution (CTR), cosine(CO2), coord(CORD) and distancefrom the center of the 

modalities of variables. Please help me how to calculate these values.

In fact, when i enter the variables it writes "variable not found"

Thank you 

Housseima
 		 	   		  
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