[R] selection simulation

vasquez j_ock21 at naver.com
Tue Mar 2 20:53:18 CET 2010

Hi, I was having trouble developing a looping function in a selection
simulation that I'm trying to develop and I was hoping if someone could
help. Basically, I have a matrix with a random generated numbers
representing scores on the variables. The rows represent applicants and
columns represent the variables.

# Number of variables

# Number of applicants

# Create random scores for the applicants across five variables

#Put z into a matrix

#Rank applicant scores on variable X1
 d1 <- rev(order(z[,1]))

#Rank applicant scores on variable X2
 d2 <- rev(order(z[,2]))

#Rank applicant scores on variable X3
 d3 <- rev(order(z[,3]))

#Rank applicant scores on variable X4
 d4 <- rev(order(z[,4]))

#Rank applicant scores on variable X5
 d5 <- rev(order(z[,5]))

pool <- cbind(d1,d2,d3,d4,d5)

Is there a way to specify a vector of selection ratio (e.g.
sr<-c(.10,.20,.30) ) and use this in a loop so that the function will
produce a matrix of applicants who will be selected when the selection ratio
is .10, .20, and .30?

Thank you and please leave a post if more info is needed 
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