peep: peep the pipeline

In thinkr: Tools for Cleaning Up Messy Files

peep the pipeline

Description

peep some data at one step of a pipeline.

Usage

peep(data, ..., printer = print, verbose = FALSE)

Arguments

data	some data
...	function names or expressions that use . as a placeholder for the data
printer	which function use to print
verbose	TRUE to include what is printed

Value

the input data

Examples

if( require(magrittr) ){
  # just symbols
  iris %>% peep(head,tail) %>% summary
  # expressions with .
  iris %>% peep(head(., n=2),tail(., n=3) ) %>% summary
  # or both
  iris %>% peep(head,tail(., n=3) ) %>% summary
  # use verbose to see what happens
  iris %>% peep(head,tail(., n=3), verbose = TRUE) %>% summary
}

thinkr documentation built on Aug. 22, 2022, 5:05 p.m.