bydf: bydf

In scsR: SiRNA correction for seed mediated off-target effect

Description

apply a function to a group of rows in the input data frame (similar to the sql group by statememnt).

Usage

bydf(df, groupColName, valColName, fun, newColName="temp_by_col_name")

bydfa(df, groupColName, valColName, fun, newColName="temp_by_col_name")

Arguments

df	input data frame
groupColName	name of the column to be used for grouping the rows (character vector)
valColName	name of the column containing the values to be inserted in the function (character vector)
fun	function to be applied (function)
newColName	name of the colum that contains the result of the function (character vector)

Details

The methods currently depend on the type of to:

bydf

apply a function to a group of rows in the input data frame (similar to the sql group by statememnt). Put the results of this function in a new data frame that is returned as output.

bydfa

apply a function to a group of rows in the input data frame (similar to the sql group by statememnt). return the same data frame with an additional column with the results of the function.

Value

bydf: data frame with the function applied to the grouping bydfa: input data frame with an additional column with the results of the function applied to the grouping.

Author(s)

Andrea Franceschini

Examples

	data(uuk_screen)
	screen=add_seed(uuk_screen[1:1000,])
	screen_sd = bydf(screen, groupColName="seed7", "score", sd, "sd")

scsR documentation built on April 28, 2020, 7:11 p.m.