6. Convert one set of values to another 11. Read and write from compressed files 14. Transpose a wide DataFrame 16. Identify rows that are missing from a DataFrame 17. Use query to avoid intermediate variables
And if you haven't seen my top 25 pandas tricks, definitely check that out as well! π
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Allows you to add nonlinear features without using pure polynomials. Splines are "piecewise polynomials" and have significant advantages over pure polynomials.
Notice how the spline (orange) can match the ground truth (black) better than the polynomials.
2. SGDOneClassSVM:
Allows for unsupervised outlier detection using stochastic gradient descent.
Unlike OneClassSVM, it's suitable for large datasets.