Oct 20, 2018 · To calculate year-over-year variance,simply subtract the new period data from the old, then divide your result by the old data to get a variance percentage. Defining the Concept YoY variance is a tool financial analysts use to measure changes over time, using simple math and a variety of numbers from a company's financial statements. Applied Machine Learning - Beginner to Professional course by Analytics Vidhya aims to provide you with everything you need to know to become a machine learning expert. We start with basics of machine learning and discuss several machine learning algorithms and their implementation as part of this course.
The problem is that train_test_split(X, y, ...) returns numpy arrays and not pandas dataframes. Numpy arrays have no attribute named columns. If you want to see what features SelectFromModel kept, you need to substitute X_train (which is a numpy.array) with X which is a pandas.DataFrame. R/S-Plus Python Description; Rgui: ipython -pylab: Start session: TAB: Auto completion: source('foo.R') execfile('foo.py') or run foo.py Run code from file: history ...
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