R: peep the pipeline

peep {thinkr} | R Documentation

## 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
    }

[Package thinkr version 0.13 Index]