I am reading in a bunch of files and then processing them all in the same way.
I am sure there as a better way then to copy and past the code for each file. Here is what I've done so far InputFiles<- as.character(list.files("~/ISLE/RWork/DataWarehouseMining/byCourse/")) #Path to the Course data files for (i in InputFiles) { # print(head(read.csv(paste("~/ISLE/RWork/DataWarehouseMining/byCourse/", i, sep="")))) print(paste("Reading file ~/ISLE/RWork/DataWarehouseMining/byCourse/", i, sep=",")) assign(i, read.csv(paste("~/ISLE/RWork/DataWarehouseMining/byCourse/", i, sep=""))) }#note last file is NOT a course file by the student information. Master<-StudentInfoForRobertWUnitAt7A_2.csv #this is the last file CourseFiles <-InputFiles[- c(15,16)] # ignore the student info ...7A.csv & ...7A_2.csv #for each file I do the following #Bis 101 summary(BigInstBIS101.csv) B101 <- BigInstBIS101.csv[-c(3,4,8)] summary(B101) B101$WH_ID <- as.factor(B101$WH_ID) B101$SID <- as.factor(B101$SID) B101$TERM <- as.factor(B101$TERM) B101$CRN <- as.factor(B101$CRN) B101$CRN_TRM <- as.factor(B101$CRN_TRM) B101$INST_NUM <- as.factor(B101$INST_NUM) B101$zGrade <- with(B101, ave(GRADE., list(TERM, INST_NUM), FUN = scale)) write.csv(B101,"B101.csv", row.names = FALSE) #Bis 2A B2A <- BigInstBIS2A.csv[-c(3,4,8)] summary(B2A) B2A$WH_ID <- as.factor(B2A$WH_ID) B2A$SID <- as.factor(B2A$SID) B2A$TERM <- as.factor(B2A$TERM) B2A$CRN <- as.factor(B2A$CRN) B2A$CRN_TRM <- as.factor(B2A$CRN_TRM) B2A$INST_NUM <- as.factor(B2A$INST_NUM) B2A$zGrade <- with(B2A, ave(GRADE., list(TERM, INST_NUM), FUN = scale)) write.csv(B2A,"B2A.csv", row.names = FALSE) And so on for another 12 courses, however I am changing what I am doing as part of the reading in the file and don't want to replace the code in 14 different places. suggestions? Thanks! [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.