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Complete missing twins relationship

Source: R/utils.R
complete_twins.Rd

Given a dataframe of relationships, complete the missing twins relationship.

Usage

complete_twins(rel_df, multi_code = "error")

Arguments

rel_df

A dataframe of relationships

multi_code

How to handle multiple relationship codes in the same group If "error", an error is thrown. If "warn", a warning is thrown and the relationship code is set to twins of unknow zigosity. Default is "error".

Value

The completed dataframe of relationships

Examples

data(relped)
Pedixplorer:::complete_twins(relped)
#>   famid   id1   id2 group    code
#> 1     1 1_139 1_140     1 MZ twin
#> 2     1 1_139 1_141     1 MZ twin
#> 3     1 1_140 1_141     1 MZ twin
#> 4     1 1_121 1_123     2 DZ twin
#> 5     1 1_130 1_133     3 UZ twin
#> 6     1   129   126    NA  Spouse
#> 7     2 2_210 2_211     4 MZ twin
#> 8     2 2_204 2_208     5 DZ twin
#> 9     2 2_212 2_213     6 UZ twin