CODEWITHSUNDEEP
pythonnumpyhistogram
tarrasch
tarrasch

Reputation: 2680

How do i make a Histogram spanning multiple files?

i want to make a histogram spanning multiple files in a Folder. Example:

File 1: 

Alpha
Beta 
Ceta  
Delta

File 2:

Delta 
Ceta 
Alpha

File 3: 

Beta 
Delta

I know that i can create a histogram using Numpy with: axHistx = plt.axes(range)

How can i use this to create a histogram over multiple files, that gives me the absolute number of Occurrences of the Strings?

Upvotes: 0

Views: 246

Answers (1)

bogatron
bogatron

Reputation: 19169

If you are just trying to count the numbers of instances across all files, you could do this:

counts = {}
for f in filenames:
    for val in [s.strip() for s in open(f).readlines()]:
        counts[val] = counts.get(val, 0) + 1

Upvotes: 2

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