I'm trying to get a frequency plot, or PDF (probability density function) plot for my biometrics project in MATLAB.
I have two vectors
impostor_scores, and I need to have a graph like:
x-axis : value of elements y-axis : frequency of that value
So the graph should look like this :
probplot() but it gives the cumulative distrubition function
I also tried
normpdf(); but it does not make sense to me. Because I'm not interested in a mean value. I just need how frequent each of the value appears in the vector(s).
Thanks for any help !