where: Set or return where binding for layer or table

In Tplyr: A Traceability Focused Grammar of Clinical Data Summary

Set or return where binding for layer or table

Description

Set or return where binding for layer or table

Usage

## S3 method for class 'tplyr_layer'
get_where(obj)

## S3 method for class 'tplyr_layer'
set_where(obj, where)

get_where(obj)

## S3 method for class 'tplyr_table'
get_where(obj)

set_where(obj, where)

## S3 method for class 'tplyr_table'
set_where(obj, where)

set_pop_where(obj, where)

get_pop_where(obj)

Arguments

obj	A tplyr_layer or tplyr_table object.
where	An expression (i.e. syntax) to be used to subset the data. Supply as programming logic (i.e. x < 5 & y == 10)

Value

For where, the where binding of the supplied object. For set_where, the modified object

Examples

# Load in pipe
library(magrittr)

iris$Species2 <- iris$Species
lay <- tplyr_table(iris, Species) %>%
  group_count(Species) %>%
  set_where(Petal.Length > 3) %>%
  # Set logic for pop_data as well
  set_pop_where(Petal.Length > 3)

Tplyr documentation built on May 29, 2024, 10:37 a.m.