get_col_totals: Get column totals for a set of columns in a dataframe

In olihawkins/cltools: A Collection of Data Wrangling Tools for Statistical Researchers

Description

Calculates column totals for a set of columns in a dataframe and returns them as a vector. Use add_col_totals to append the column percentages to the input dataframe.

Usage

get_col_totals(
  data,
  from = 2,
  to = ncol(data),
  rows = 1:nrow(data),
  na.rm = FALSE
)

Arguments

data	A dataframe containing columns of numerical data to be summed by column.
from	The number or name of the column from which column totals are calculated. The default is 2, assuming one column for row labels. Use 1 if there are no preceding data columns.
to	The number or name of the column to which column totals are calculated. The default is ncol(data), which means column totals are calculated across all remaining columms in the dataframe.
rows	A numeric vector of the rows to be summed. The default is all rows in the dataframe.
na.rm	A boolean which if TRUE ignores NAs in calculating totals. The default value is FALSE.

Value

A numeric vector of column totals.

olihawkins/cltools documentation built on Sept. 14, 2020, 7:25 a.m.