dates_to_posix {proBatch}R Documentation

Convert data/time to POSIXct

Description

convert date/time column of sample_annotation to POSIX format required to keep number-like behaviour

Usage

dates_to_posix(sample_annotation, time_column = c("RunDate", "RunTime"),
  new_time_column = "DateTime", dateTimeFormat = c("%b_%d",
  "%H:%M:%S"))

Arguments

sample_annotation

data matrix with:

  1. sample_id_col (this can be repeated as row names)

  2. biological covariates

  3. technical covariates (batches etc)

time_column

name of the column(s) where run date & time are specified. These will be used to determine the run order

new_time_column

name of the new column to which date&time will be converted to

dateTimeFormat

POSIX format of the date and time. See as.POSIXct from base R for details

Value

sample annotation file with a new column new_time_column with POSIX-formatted date

Examples

date_to_posix <- dates_to_posix(example_sample_annotation, 
time_column = c('RunDate','RunTime'),
new_time_column = 'DateTime', 
dateTimeFormat = c("%b_%d", "%H:%M:%S"))


[Package proBatch version 1.0.0 Index]