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Prasanta Saikia


Hong Kong University of Science and Technology

3 total contributions since 2015

I am a grad student working on big data analytics.

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Question


How to efficiently calculate item-based user similarity when there are huge number of users?
I have about 75000 users, and I want to calculate the similarity between each of them based on whether they liked certain items ...

3 years ago | 1 answer | 0

1

answer

Question


How to save a numeric value in a specified location of a CSV file inside for loops?
I want to do this because otherwise I run out of memory to save the values in a matrix, as the dimensions of the matrix increase...

3 years ago | 1 answer | 0

1

answer

Question


How do I make a heat map on top of worldmap using hist3 in MATLAB?
My x-axis is latitudes, y-axis is longitudes, and z-axis is the hist3 of the two. It is given by: z=hist3(location(:,1:2),...

4 years ago | 0 answers | 0

0

answers