Questions tagged [train-test-split]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
1answer
18 views

Scaling a gene expression data generates NA values

I would like to analyze the prostate gene expression data which has a link named 12859_2005_967_MOESM4_ESM.tgz in the site here. In a paper I read, the author scaled the predictors in the training set ...
1
vote
1answer
26 views

Should outlier detected before or after train test split

Outliers are usually first detected using Boxplot, then the suspicious observations may be sent to experts for justification - justify whether they are true outliers (contaminated data) or leverage ...