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Percentage based histogram [closed]

asked 2013-02-15 20:51:37 +0200

Confuddled gravatar image

Hello, I am trying to make a histogram based on several percentages. I have a table like this:

Samp Percent
1    51.60
2    6.5
3    45.36
4    87.25
5    55.24
6    12.45
... etc.

I would like to see a distribution from 0 to 100 across the x axis while a count of how many fall into specific bins on the y axis. Rough example:

     /|||\                  _
    /|||||\               /|||\
   0 10 20 30 40 50 60 70 80 90 100

I am not really sure how to get started. I have managed to make a very messy column chart but the x axis is always the sample name and the y is always percentage. Help?

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Closed for the following reason question is not relevant or outdated by Alex Kemp
close date 2015-11-16 14:17:09.140109

3 Answers

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answered 2013-02-15 21:24:56 +0200

horst gravatar image

updated 2013-02-17 17:34:49 +0200

I think you can not make a real histogram in Calc. But see the answers to this question.

Main problem I see is that you can't define bins/buckets in a Calc-Chart.

Lets see if this helpsto do it: Add some columns to your setup.

   B     C    D   E   F
Percent Bin0 Bin1 X      Y-values
85.6    >0   >10  0 -10  =Countif($B$2:$B$100,Bin0)-Countif($B$2:$B$100,Bin1)
6.5     >10  >20  10-20  =Countif($B$2:$B$100,Bin0)-Countif($B$2:$B$100,Bin1)

The idea is to create your bin limits Bin0, Bin1 which double as part of the formula. Column X contains the bin-ranges. Y-values are the number of samples per bin. The first argument of the COUNTIF function has to contain all your samples.

Now you can make a Column-Chart with the x and y values. X-axis will show all bin-ranges -not exactly the %-range 0 to 100- and the length of the column is the number of samples/bin.

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link is broken

Aaron Digulla gravatar imageAaron Digulla ( 2015-05-27 21:37:13 +0200 )edit

answered 2013-12-09 13:46:27 +0200

jondo gravatar image

The "array formula" FREQUENCY creates histogram data from unsorted raw values.

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Actually using the FREQUENCY function is much easier than using lots of COUNTIFs and achieves the same thing.

Sunday87 gravatar imageSunday87 ( 2016-06-24 14:29:33 +0200 )edit

answered 2013-02-17 04:46:34 +0200

ROSt52 gravatar image

@Confuddled @horst,

Why was horst's proposal not the solution? - it is needed to define bins to count how many entries are in each bin - next is to create a column chart with bins at the x-axis and the counts on the y-axis

I did not check horst's formulas because they look OK to me. I only used a different approach using not if-function and counted thereafter.

I defined 4 bins covering the range >0 and <=12. For bin1 (>0 and <=3) I used the formula


Here is what I did in Calc

image description

and what I got as chart (=histogram):

image description

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Asked: 2013-02-15 20:51:37 +0200

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Last updated: Dec 09 '13