Hello! I am a beginner in matlab and have a question about plotting relative frequency in matlab. The case : I have a vector of zeros and ones and I wanted to count the frequency of 1's and 0's in the vector. I used the code : nnz(click==1). My vector is called click. The amount of clicks was 48 and bookings 68 (click==0). Now I want to show the percentage of bookings/clicks on the y axis and on the x as I want to have 2 bars of the amount of clicks and the amount of bookings. I am searching for hours now and have no idea how to plot this. Can someone help me out? Thank you in advance!

3 comentarios

Geoff Hayes
Geoff Hayes el 24 de Mayo de 2018
Rosalie - perhaps you can use histogram with your origin input array of zeros and ones? Or, if your version of MATLAB is pre-r2014b, then you could use hist.
Rosalie van der Weide
Rosalie van der Weide el 24 de Mayo de 2018
Thank you for your fast response! That works indeed! There only remains a question about assigning names to the bars in the histogram. What I want is the following: Instead of numeric values on the x-axis I want to say that the the first bar show the amount of clicks, the second bar the amount of bookings in the histogram. So, I want to replace the x-axis with the current range of 0 to 1, with the words 'clicking' and 'booking'. Is this possible?
Star Strider
Star Strider el 24 de Mayo de 2018
Editada: Image Analyst el 24 de Mayo de 2018
See my Answer below.

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Star Strider
Star Strider el 24 de Mayo de 2018
I am not certain what you want.
Try this:
click = randi([0 1], 1, 100); % Create Vector
clix = nnz(click);
book = nnz(click == 0);
N = numel(click);
figure
bar([clix;book]/N)
set(gca, 'XTickLabel',{'Clicks','Bookings'})

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el 24 de Mayo de 2018

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