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Avoiding Data Leakage in Timeseries 101
You’ve Already Made The Choice. You’re Here To Understand Why You’ve Made It. The Oracle, The Matrix Reloaded Timeseries is one of the very few data disciplines where things are…
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Randomized SVD with Power Iterations for Large Data Matrices
What is Randomized SVD? Few days ago, I happened to come across a question in a forum. Someone was asking for help about how to perform singular value decomposition (SVD)…
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My transition from MATLAB to Julia and learning from previous mistakes
I have been using MATLAB for eight good years. MATLAB served and still serves my purpose beautifully. In this entire span of time, I made repeated attempt to switch my…
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Build the most powerful hypothesis test: Part 2
In the post Build the most power hypothesis test: Part 1 we introduced Neyman-Pearson criterion and Sufficient Statistic. In this post, using both of these ideas we will develop an…
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