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I have a matrix of claims at year1 that I get simply by claims<-read.csv(file="Claims.csv") qq1<-claims[claims$Year=="Y1",] I have MemberID and ProviderID for every claim in qq1 both are integers An example for the type of questions that I want to answer is how many times ProviderID number 345 appears together with MemberID 23 in the table qq1 In order to answer

I want to write a function that get 2 strings y and z and does the following R command. temp<-qq1[qq1$z==y,] for example if it get y="AMI" and z="PrimaryConditionGroup" It should do the following temp<-qq1[qq1$PrimaryConditionGroup=="AMI",] I could do it by the following function that is ugly and I wonder if there is an easier way to do it espacielly when temp

Hello! I'm beginning to use R and I have a problem. I've a data base of 1491 elements, I could create the points from this data frame but when I try to create the pairs the computer takes 30 minutes and a message appears: The memory limit was achieved! Do you know how can I enlarge the memory size available for R in my computer? I'll really appreciate your help. Bye,

Estimados, Estoy fuera de la oficina hasta el lunes 30/12/13. Ante cualquier requerimiento favor generar el ticket respectivo o comunicarse con freddy.arevalo at pyaing.cl, frederick.escobar at pyaing.cl o marcos.uribe at pyaing.cl atte Luis Aravena