dates_to_posix: Convert data/time to POSIXct

In proBatch: Tools for Diagnostics and Corrections of Batch Effects in Proteomics

Description

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

Usage

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

Arguments

sample_annotation	data frame with: sample_id_col (this can be repeated as row names) biological covariates technical covariates (batches etc) . See help("example_sample_annotation")
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
tz	for time zone

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_new', 
dateTimeFormat = c("%b_%d", "%H:%M:%S"))

proBatch documentation built on Nov. 8, 2020, 4:55 p.m.