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Diffstat (limited to 'examples/statcsv.nim')
-rw-r--r-- | examples/statcsv.nim | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/examples/statcsv.nim b/examples/statcsv.nim deleted file mode 100644 index 983cd555f..000000000 --- a/examples/statcsv.nim +++ /dev/null @@ -1,60 +0,0 @@ -# Example program to show the parsecsv module -# This program reads a CSV file and computes sum, mean, minimum, maximum and -# the standard deviation of its columns. -# The CSV file can have a header which is then used for the output. - -import os, streams, parsecsv, strutils, math, stats - -if paramCount() < 1: - quit("Usage: statcsv filename[.csv]") - -var filename = addFileExt(paramStr(1), "csv") -var s = newFileStream(filename, fmRead) -if s == nil: quit("cannot open the file " & filename) - -var - x: CsvParser - header: seq[string] - res: seq[RunningStat] -open(x, s, filename, separator=';', skipInitialSpace = true) -while readRow(x): - if processedRows(x) == 1: - newSeq(res, x.row.len) # allocate space for the result - if validIdentifier(x.row[0]): - # header line: - header = x.row - else: - newSeq(header, x.row.len) - for i in 0..x.row.len-1: header[i] = "Col " & $(i+1) - else: - # data line: - for i in 0..x.row.len-1: - push(res[i], parseFloat(x.row[i])) -x.close() - -# Write results: -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(header[i]) -stdout.write("\nSum") -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(res[i].sum) -stdout.write("\nMean") -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(res[i].mean) -stdout.write("\nMin") -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(res[i].min) -stdout.write("\nMax") -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(res[i].max) -stdout.write("\nStdDev") -for i in 0..header.len-1: - stdout.write("\t") - stdout.write(res[i].standardDeviation) -stdout.write("\n") - |