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I have a huge data set in the form of            V1           V2         V3   V4     V5  V6 1     201005010000201005010000 1.68291.38 1  0 2     201005010000201005010300 0.93335.10 1  0 3     201005010000201005010600 2.25 57.38 1  0 4     201005010000201005010900 0.43 13.76 1  0 5     201005010000201005011200 0.74101.14 1  0 I am interested in interpolating it on an hour basis(it's for avery

...#39;m trying to generate valid R code using R. Parts of the task is to read a sequence of characters from file and escape them such that they can be put in quotation marks to form a valid R code string. Example: Let the input file be (four rows containing ASCII 0-255 characters): abcdef<tab>ghijk\nlmno second row\t\a\\ fourth and so on... <EOF> Now, find escapeString() such that the following piece of code generates a second file called 'file2.txt' which is identical to 'file1.txt': inStr <- readChar("file1.txt", nchars=999) esStr <- escapeString(inS...

...#39;m trying to generate valid R code using R. Parts of the task is to read a sequence of characters from file and escape them such that they can be put in quotation marks to form a valid R code string. Example: Let the input file be (four rows containing ASCII 0-255 characters): abcdef<tab>ghijk\nlmno second row\t\a\\ fourth and so on... <EOF> Now, find escapeString() such that the following piece of code generates a second file called 'file2.txt' which is identical to 'file1.txt': inStr <- readChar("file1.txt", nchars=999) esStr <- escapeString(inS...

 Good Morning , I want to sample the following time series for every third hour. For example at 00:00,03:00,06:00,09:00 etc.                     2011-01-01 00:00:00 0.000000e+00 2011-01-01 01:00:00 1.471667e+01 2011-01-01 02:00:00 1.576667e+01 2011-01-01 03:00:00 0.000000e+00 2011-01-01 04:00:00 0.000000e+00 2011-01-01 05:00:00 0.000000e+00 2011-01-01 06:00:00 0.000000e+00 2011-01-01 07:00:00