Hi all,
I am running Stepwise logistic regression and i have :
1- Multiple covatiates included in each model (No missing data)
2- Genotype data (SNPs) about 500,000 .
I partitioned the data to multiple files (there are missing data)
I run the step by including all the covariates and one SNP at each model.
but i got this message :
number of rows in use has changed: remove missing values?
In addition: There were 37 warnings (use warnings() to see them)
How to overcome this problem ??
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