Dear R helpers, Suppose I am reading a csv file as yd = read.csv("mydata.csv") The actual data in the mydata.csv file is say for example like this - Date day_1 days_15 day_30 days_60 days_90 days_180 Nov 11 5 14 1 3 21 8 Nov 10 7 1 3 11 5 14 Nov 09 2 10 3 6 4 2 ........ ........ and so on. While I have done all the related analysis, (1) how do I read maturity <- c(1, 15, 30, 60, 90, 180) # these are the part of column names in numeric class. i.e. I want the no of days appearing in column name heads to be expressed like this. (2) Also, how do select the subset of maturity e.g. maturity_sub <- c(30, 60, 90) Thanking you all in advance Regards Julia
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