Need to perform Dimension Reduction on my Dataframe in R

Question

I have a dataset BO which contains more than 40 variable which are of type INT,FACTOR or NUM . I need to reduce the number of variables by performing PCA In this process i have wrote the following code

BO_pca <- prcomp(BO[, sapply(BO, is.numeric)], center = TRUE, scale = TRUE)

This have given me following error

Error in prcomp.default(BO[, sapply(BO, is.numeric)], center = TRUE, scale = TRUE) : 
  cannot rescale a constant/zero column to unit variance

Kindly help and also guide me through the further process please

score 0 · Answer 1 · answered Apr 09 '19 at 08:35

0

look like similar question: How to solve prcomp.default(): cannot rescale a constant/zero column to unit variance

try this and edit ur question with what didnt work

answered Apr 09 '19 at 08:35

akhetos

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I am able to get the PCA done but how should i remove the columns on the base of this data? – Nirpeksh Apr 09 '19 at 10:31

Need to perform Dimension Reduction on my Dataframe in R

1 Answers1