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b_2
2012 Jul 26
1
How can I correctly access a string element of a dataframe?
Dear All,
I would like to read the data file via read.csv (the 3rd line of the
following program) and the file name is stored in a dataframe. Since I have
several files to read, I store the file names as well as the sample period
inside a file ?B_M2Q.csv? and I read the file name first, and then read the
data file.
The content of the file "B_M2Q.csv" is
FX
"A_FX_M.csv"
"1981-01"
"2012-06"
Int
"A_Int.csv"
"1970-01"
"2012-03"
(The file is attached to this emai...