See the FAQs, particularly
"How can I save the result of each iteration in a loop into a separate
file?" which applies for the other way round as well.
Uwe Ligges
Maithili Shiva wrote:
Dear R helpers,
Suppose I am dealing with no of interest rates at a time and the no of interest rates I am selecting for my analysis is random i.e. it can be 2, can be 10 or even higher. The R-code I had written (with the guidance of R helpers obviously and I am really grateful to all of you) as of now is sort of hard coding when it comes to reading interest rates as an input e.g.
## INPUT
rate_1 = read.csv('rate1_range.csv')
rate_2 = read.csv('rate2_range.csv')
rate_3 = read.csv('rate3_range.csv')
rate_4 = read.csv('rate4_range.csv')
prob_1 = read.csv('rate1_probs.csv')
prob_2 = read.csv('rate2_probs.csv')
prob_3 = read.csv('rate3_probs.csv')
prob_4 = read.csv('rate4_probs.csv')
However, since I am not sure how many interest rates I will be dealing with to
begin with, I have tried to call these inputs using a loop as follows.
In my R working directory, following files are there which are to be read as input..
rate1_range.csv
rate2_range.csv
rate3_range.csv
rate4_range.csv
rate1_probs.csv
rate2_probs.csv
rate3_probs.csv
rate4_probs.csv
My R Code
# _______________________________________________________________
n = no_of_Interest_Rates # This 'n' will be suppllied separately& can be anything.
n= 4 # As mentioned, this input will be added seperately.
for (i in 1:n)
{
rate_[i] = read.csv('rate[i]_range.csv')
prob_[i] = read.csv('rate[i]_probs.csv')
}
# End of code.
However when I excute this code (here, n = 4), I get following error.
Error in file(file, "r") : cannot open the connection
In addition: Warning message:
In file(file, "r") :
cannot open file 'rate[i]_range.csv': No such file or directory
Obviously as usual I have written some stupid code.
Please guide
Regards
Maithili
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