[R] statment can tacke value in row1 and rows

[Hesham A. AL-bukhaiti]

hello.I have this code :#################################3#read data just thee columns. first and second columns are catogary , third column  is number. out<-read.csv("outbr.csv")
truth<-out[,seq(1,2)] #truth about 2000 rows, some values in row1 can  show in rows2,and the some values in row2 can also show in row1 :
#for example :#G1(row1), G2(row2)
#G2(row1),G1(row2)
#if this happend add to thrid column in truth 1 otherwise add 0 as in statment followtruth<-cbind(as.character(truth[,1]),as.character(truth[,2])             ,as.data.frame(rep(0,,dim(out)[1])));#here just G2 and G3, i want make loop to cam[are all values from G1 to G2000 truth[(truth[,1]=="G3" & truth[,2]=="G2") | (truth[,1]=="G2" & truth[,2]=="G3"),3]<-1 ###############################3Q:# i want make loop take all 2000 rows and comparsion between all values in row one and row two :
#Gi(value in row1), Gj(value in row2)
#Gj(varow1),Gi(row2), #############more :#here just G2 and G3, i want make loop to cam[are all values from G1 to G2000 truth[(truth[,1]=="G3" & truth[,2]=="G2") | (truth[,1]=="G2" & truth[,2]=="G3"),3]<-1 
(Simply they regulate the other. If element A is in the first group , and it is related to element B in the second group , and element B also in  in the first group , and it is related to element A(the same element  in the first group)  in the second group , we write 1 and otherwise 0.

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