I am plotting Cumulative Distribution Functions, with a large number of data points. I am plotting a few lines on the same plot, which are identified with markers as it will be printed in black and...

Given the following problem: There is a sequence of k integers, named s for which there can be 2 operations, 1) Sum[i,j] - What is the value of s[i]+s[i+1]+...+s[j]? 2) Update[i,val] - Change ...

Given a numpy array of threshold values, what is the most efficient way to produce an array of the counts of another array meeting these values? Assume the threshold value array is small and sort...

I'm new with R. I need to generate a simple Frequency Table (as in books) with cumulative frequency and relative frequency. So I want to generate from some simple data like > x [1] 17 17 17 1...

I am wondering if there is a (better) trick to reverse a cumulative histogram in matplotlib. Let's say I have some scores in the range of 0.0 to 1.0 where 1.0 is the best score. Now, I am interest...

I have been doing my office work in Excel.and my records have become too much and want to use mysql.i have a view from db it has the columns "date,stockdelivered,sales" i want to add another calcul...