I wanted to display some of the photos I’ve taken on my blog. I didn’t really want an existing Bootstrap gallery component because most of the existing examples were quite...
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Both builtin Python sets and NumPy arrays (ndarrays) can efficiently perform set operations where Python lists would be impractical. Due to the differences in their underlying implementations however the types...
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I recently came across an error very similar to this one in a colleagues’ code when he was using pyspark for an exploratory data analysis - can you guess what...
Time series analysis is known to be a particularly challenging area of data science. I would put this down to three key factors: Datasets tend to be quite small. So...
Describe what the Fourier transform does - takes a signal from the time domain to the frequency s-domain. So I looked into the Fourier series a lot a A-level when...
The Fourier Series1 of a periodic function allows us to represent the function in terms of a summation of sinusoids (sines and cosines of varying powers). The Fourier Transform extends...
Gnuplot is a command line based graphing tool that has really stood the test of time. Three decades on it is still quite popular and commonly used in university maths...
Anyone who has read about machine learning will be familiar with the Mean Squared Error (MSE) as loss function in a supervised learning model. If we generalise a bit, and...