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SKAT (version 2.2.5)

Read_Plink_FAM: Read Plink FAM and covariates files

Description

Read Plink FAM and covariates files.

Usage

Read_Plink_FAM(Filename, Is.binary=TRUE, flag1=0)
	Read_Plink_FAM_Cov(Filename, File_Cov, Is.binary=TRUE, flag1=0, cov_header=TRUE)

Value

A dataframe of Family ID (FID), Individual ID (IID), Paternal ID (PID), Maternal ID(MID), Sex, and Phenotype. If Read_Plink_FAM_Cov is used with a covariate file, the dataframe has covariates from the 7th column.

Arguments

Filename

input file name of plink FAM file

Is.binary

if TRUE, the phenotype is binary. If phenotype is continuous, it should be FALSE

flag1

0 represents the default coding of unaffected/affected (1/2) (default=0), and 1 represents 0/1 coding. flag1=1 is the same as --1 flag in plink. Please see the plink manual.

File_Cov

an input file name of plink covariates file. The first two columns of this file should be FID and IID.

cov_header

a logical value indicating whether the covariate file contains a header row (default=TRUE)

Author

Seunggeun Lee