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812
2012 Jan 10
2
How to make this for() loop memory efficient?
...hone calls","modules")
dim(data)
print(data[1:10,]) #sample of 10 rows
# Note that in the real data set, data[,2] ranges from 810,000 to 999,999.
I've been tasked with the following:
# "For each phone call that BEGINS with the module which is denoted by 81
(i.e. of the form 81X,XXX), what is the expected number of modules in these
calls?"
#Then it's the same question for each module beginning with 82, 83, 84.....
all the way until 99.
#I've created code that I think works for this, but I can't actually run it
on the whole data set. I left it for 30 minut...