R/codif_data.R

In onemap: Construction of Genetic Maps in Experimental Crosses

#######################################################################
#                                                                     #
# Package: onemap                                                     #
#                                                                     #
# File: codif_data.R                                                  #
# Contains: codif_data                                                #
#                                                                     #
# Written by Marcelo Mollinari with minor modifications by Cristiane  #
# Taniguti                                                            #
# copyright (c) 2009, Marcelo Mollinari                               #
#                                                                     #
# On Decemter 12th, 2015, Gabriel Margarido included codification     #
# for other cross types.                                              #
#                                                                     #
# First version: 02/27/2009                                           #
# License: GNU General Public License version 2 (June, 1991) or later #
#                                                                     #
#######################################################################

# This function gets the input in strings and converts into numbers
codif_data <- function(geno.in, segr.type.in,
                       cross = c("outcross", "f2", "backcross",
                                 "riself", "risib")) {
    cross <- match.arg(cross)

    geno.out <- matrix(NA,nrow(geno.in),ncol(geno.in))
    segr.type.out <- rep(NA,length(segr.type.in))

    ## missing data are represented by '0'
    geno.out[is.na(geno.in)] <- 0

    for(i in 1:length(segr.type.in)) {
      ## based on the marker type, convert strings to numbers
      if (cross == "outcross") {
        switch(EXPR=segr.type.in[i],
               A.1={
                 geno.out[which(geno.in[,i]=="ac"),i] <- 1
                 geno.out[which(geno.in[,i]=="ad"),i] <- 2
                 geno.out[which(geno.in[,i]=="bc"),i] <- 3
                 geno.out[which(geno.in[,i]=="bd"),i] <- 4
                 segr.type.out[i] <- 1
               },
               A.2={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ac"),i] <- 2
                 geno.out[which(geno.in[,i]=="ba"),i] <- 3
                 geno.out[which(geno.in[,i]=="bc"),i] <- 4
                 segr.type.out[i] <- 1
               },
               A.3={
                 geno.out[which(geno.in[,i]=="ac"),i] <- 1
                 geno.out[which(geno.in[,i]=="a"),i] <- 2
                 geno.out[which(geno.in[,i]=="bc"),i] <- 3
                 geno.out[which(geno.in[,i]=="b"),i] <- 4
                 segr.type.out[i] <- 1
               },
               A.4={
                 geno.out[which(geno.in[,i]=="ab"),i] <- 1
                 geno.out[which(geno.in[,i]=="a"),i] <- 2
                 geno.out[which(geno.in[,i]=="b"),i] <- 3
                 geno.out[which(geno.in[,i]=="o"),i] <- 4
                 segr.type.out[i] <- 1
               },
               B1.5={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 geno.out[which(geno.in[,i]=="b"),i] <- 3
                 segr.type.out[i] <- 2
               },
               B2.6={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 geno.out[which(geno.in[,i]=="b"),i] <- 3
                 segr.type.out[i] <- 3
               },
               B3.7={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 geno.out[which(geno.in[,i]=="b"),i] <- 3
                 segr.type.out[i] <- 4
               },
               C.8={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="o"),i] <- 2
                 segr.type.out[i] <- 5
               },
               D1.9={
                 geno.out[which(geno.in[,i]=="ac"),i] <- 1
                 geno.out[which(geno.in[,i]=="bc"),i] <- 2
                 segr.type.out[i] <- 6
               },
               D1.10={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 segr.type.out[i] <- 6
               },
               D1.11={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="b"),i] <- 2
                 segr.type.out[i] <- 6
               },
               D1.12={
                 geno.out[which(geno.in[,i]=="ab"),i] <- 1
                 geno.out[which(geno.in[,i]=="a"),i] <- 2
                 segr.type.out[i] <- 6
               },
               D1.13={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="o"),i] <- 2
                 segr.type.out[i] <- 6
               },
               D2.14={
                 geno.out[which(geno.in[,i]=="ac"),i] <- 1
                 geno.out[which(geno.in[,i]=="bc"),i] <- 2
                 segr.type.out[i] <- 7
               },
               D2.15={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 segr.type.out[i] <- 7
               },
               D2.16={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="b"),i] <- 2
                 segr.type.out[i] <- 7
               },
               D2.17={
                 geno.out[which(geno.in[,i]=="ab"),i] <- 1
                 geno.out[which(geno.in[,i]=="a"),i] <- 2
                 segr.type.out[i] <- 7
               },
               D2.18={
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="o"),i] <- 2
                 segr.type.out[i] <- 7
               }
        )
      }
      else if (cross == "f2") {
        switch(EXPR=segr.type.in[i],
               A.H.B = {
                 geno.out[which(geno.in[,i]=="a"),i] <- 1
                 geno.out[which(geno.in[,i]=="ab"),i] <- 2
                 geno.out[which(geno.in[,i]=="b"),i] <- 3
                 segr.type.out[i] <- 4
               },
               D.B = {
                 geno.out[which(geno.in[,i]=="b"),i] <- 2
                 geno.out[which(geno.in[,i]=="d"),i] <- 1
                 segr.type.out[i] <- 6
               },
               C.A = {
                 geno.out[which(geno.in[,i]=="a"),i] <- 2
                 geno.out[which(geno.in[,i]=="c"),i] <- 1
                 segr.type.out[i] <- 7
               }
        )
      }
      else if (cross == "backcross") {
        geno.out[which(geno.in[,i]=="a"),i] <- 1
        geno.out[which(geno.in[,i]=="ab"),i] <- 2
        segr.type.out[i] <- 8
      }
      else if (cross == "riself" || cross == "risib") {
        geno.out[which(geno.in[,i]=="a"),i] <- 1
        geno.out[which(geno.in[,i]=="b"),i] <- 3
        segr.type.out[i] <- 9
      }

      if(any(is.na(geno.out[,i])))
        stop(paste("Invalid marker codification. Please check data for marker", colnames(geno.in)[i]), ".", sep="")
    }
    dimnames(geno.out) <- dimnames(geno.in)
    return(list(geno.out, segr.type.out))
  }

# end of file