inst/doc/named_map_builder.R

In seplyr: Improved Standard Evaluation Interfaces for Common Data Manipulation Tasks

## ----ex1----------------------------------------------------------------------
library("wrapr")

'a' := 5

c('a' := 5, 'b' := 6)

c('a', 'b') := c(5, 6)

## ----key1---------------------------------------------------------------------
key = 'keycode'
key := 'value'

## ----ex2----------------------------------------------------------------------
library("seplyr")

datasets::iris %.>%
  summarize_se(., "Mean_Sepal_Length" := "mean(Sepal.Length)")

## ----ex3----------------------------------------------------------------------
datasets::iris %.>%
  group_by_se(., "Species") %.>%
  summarize_se(., c("Mean_Sepal_Length" := "mean(Sepal.Length)",
                    "Mean_Sepal_Width" := "mean(Sepal.Width)"))

## ----ex4----------------------------------------------------------------------
resultColumn <- "summary_value"
datasets::iris %.>%
  group_by_se(., "Species") %.>%
  summarize_se(., resultColumn := "mean(Sepal.Length)")