How can repetitive rows of data be collected in a single row in pandas?

You can groupby and use agg to get the mean. For the non numeric columns, let’s take the first value: df.groupby(‘Player’).agg({k: ‘mean’ if v in (‘int64’, ‘float64’) else ‘first’ for k,v in df.dtypes[1:].items()}) output: Pos Age Tm G GS MP FG Player Jarrett Allen C 22 TOT 18.666667 6.666667 26.266667 4.333333 NB. content of the … Read more

difference between StratifiedKFold and StratifiedShuffleSplit in sklearn

In stratKFolds, each test set should not overlap, even when shuffle is included. With stratKFolds and shuffle=True, the data is shuffled once at the start, and then divided into the number of desired splits. The test data is always one of the splits, the train data is the rest. In ShuffleSplit, the data is shuffled … Read more

Scikit-learn’s LabelBinarizer vs. OneHotEncoder

A simple example which encodes an array using LabelEncoder, OneHotEncoder, LabelBinarizer is shown below. I see that OneHotEncoder needs data in integer encoded form first to convert into its respective encoding which is not required in the case of LabelBinarizer. from numpy import array from sklearn.preprocessing import LabelEncoder from sklearn.preprocessing import OneHotEncoder from sklearn.preprocessing import … Read more

Cannot import name ‘CRS’ from ‘pyproj’ for using the osmnx library

I am the developer of OSMnx. There is a growing amount of misinformation and confusion in this thread, so I will give you a definitive answer. Just follow the documented installation instructions to install the latest release of OSMnx: conda config –prepend channels conda-forge conda create -n ox –strict-channel-priority osmnx If you install an old … Read more

How to plot multiple pandas columns

Several column names may be provided to the y argument of the pandas plotting function. Those should be specified in a list, as follows. df.plot(x=”year”, y=[“action”, “comedy”]) Complete example: import matplotlib.pyplot as plt import pandas as pd df = pd.DataFrame({“year”: [1914,1915,1916,1919,1920], “action” : [2.6,3.4,3.25,2.8,1.75], “comedy” : [2.5,2.9,3.0,3.3,3.4] }) df.plot(x=”year”, y=[“action”, “comedy”]) plt.show()