mark_qcs: Replace NA values in pheno data columns with "QC"
In antonvsdata/amp: Smoothing Metabolomics Analyses

Description Usage Arguments Value Examples

Loops through specified columns in pheno data and replaces all NA values with "QC". Also transforms the column to factor and sets "QC" as the last level.

1	mark_qcs(data, cols)

`data`	a data frame such as pheno_data returned by `read_from_excel`
`cols`	the columns to fix

a data frame with the column modified

# Remove QC labels first
pheno_data <- pData(merged_sample)
pheno_data$Group[pheno_data$Group == "QC"] <- NA
head(pheno_data$Group, 20)
pheno_data <- mark_qcs(pheno_data, cols = "Group")
head(pheno_data$Group, 20)