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. 2020 Sep 18;15(9):e0239144. doi: 10.1371/journal.pone.0239144

Fig 1. Example of converting PLINK PED to user-defined format.

Fig 1

The files Other.geo and Other.txt are space delimited (more spaces were added for readability), and the Other.snp is tab delimited. The delimiter in the arguments files is a comma which can be ignored if there are no more items such as “Sex, 2” in Arguments file 2. The MATRIX section describes the components of the genotype matrix while the VECTOR section gives the other components of the data, and the INSERT section provides how to insert additional rows/columns.