mergeList: Merge a list of data.table

In AlejandroKantor/akmisc: Miscellaneous Functions for Data Manipulation

Description

Merge a list of data.table

Usage

mergeList(l_dt_data, v_s_keys, all = TRUE)

Arguments

l_dt_data	a list of data.tables which we want to merge
v_s_keys	character vector of columns used for merging
all	logical default TRUE. If TRUE keep all unique v_s_keys cases. If FALSE we only want to keep cases on all the data.tables.

Value

a data.table which is the merger of l_dt_data. v_s_keys are set as keys of returned object.

See Also

merge.data.table

Examples

library(data.table)
dt_1 <- data.table(let = letters[1:3], num = 1:3)
dt_2 <- data.table(let= letters[2:4], num = 1:3)
l_len_2 <- list(dt_1, dt_2)
mergeList(l_len_2, v_s_keys= "let")

mergeList(l_len_2, v_s_keys= "let", all=FALSE )

AlejandroKantor/akmisc documentation built on May 5, 2019, 3:51 a.m.