Rearrange dataframe entries such that there is exactly one row per ID.

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Description

Rearrange dataframe entries such that there is exactly one row per ID. The IDs are taken from the argument ids and are matched against the first column of x. If an ID is missing in x[,1], a row with NA values is inserted. If an ID occurs multiple times in x[,1], rows are collapsed into characters of comma-separated values.

Usage

1
oneRowPerId(x, ids)

Arguments

x

dataframe.

ids

character vector.

Value

A dataframe whose rows correspond 1:1 to ids.

Author(s)

W. Huber huber@ebi.ac.uk, Ligia Pedroso Bras ligia@ebi.ac.uk

Examples

1
2
    x = data.frame(ids=I(c("a", "a", "c")), val=11:13)
    oneRowPerId(x, letters[1:3])

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