overwrite: Replace rows in a data frame with new values

In pik-piam/quitte: Bits and pieces of code to use with quitte-style data frames

Replace rows in a data frame with new values

Description

overwrite() rbind()s the data frames lhs and rhs, removing any duplicate lines, which are determined without regard to the columns in except.

Usage

overwrite(lhs, rhs, except = "value")

Arguments

lhs	data frame with values that will replace others
rhs	data frame with values that will be replaced
except	names of columns that will not be considered in determining which columns to replace; defaults to "value"

Value

data frame in which rows from rhs have been replaced with rows from lhs

Author(s)

Michaja Pehl

Examples

require(dplyr)
data <- data.frame(expand.grid(UPPER = LETTERS[1:2],
                               lower = letters[24:26]),
                   value = 1:6)
data
data %>%
  filter(lower == "y") %>%
  mutate(value = value * 10) %>%
  overwrite(data)

pik-piam/quitte documentation built on April 26, 2024, 12:58 a.m.