Introduction In this tutorial, we want to scale features of a Pandas DataFrame. In order to do this, we use the StandardScaler() class and the MinMaxScaler() class of Scikit-Learn. Import Libraries First, we import the following python modules: import pandas as pd from sklearn.datasets import fetch_california_housing from...
Introduction In this tutorial, we want to read a CSV file into a Pandas DataFrame. In order to do this, we use the read_csv() function of Pandas. Import Libraries First, we import the following python modules: import pandas as pd CSV File We consider the CSV file "frameworks....
Introduction In this tutorial, we want to create a Pairplot. In order to do this, we use the pairplot() function of Seaborn. Import Libraries First, we import the following python modules: import seaborn as sns import matplotlib.pyplot as plt Load Data We would like to use a seaborn sample...
Introduction In this tutorial, we want to one-hot encode a NumPy array that contains categorical values. In order to do this, we use the to_categorical() function of Keras. Import Libraries First, we import the following python modules: import numpy as np from keras.utils import to_categorical Define Data...
Introduction In this tutorial, we want to add the current date and the current timestamp to a PySpark DataFrame. In order to do this, we use the current_date() function and the current_timestamp() function of PySpark. Import Libraries First, we import the following python modules: from pyspark.sql import...
Introduction In this tutorial, we want to show different ways how to create an array. In order to create an array, we use the functions array(), zeros(), arange() and linespace() of NumPy. Import Libraries First, we import the following python module: import numpy as np Array function NumPy offers different...
Introduction In this tutorial, we want to join NumPy arrays along different axes. In order to do this, we use the functions hstack(), vstack() and dstack() of NumPy. Import Libraries First, we import the following python module: import numpy as np Define Data Let's consider two arrays a...
Introduction In this tutorial, we want to import Stock Prices from Yahoo Finance into Python. In order to do this, we use ticker module of YFinance. YFinance The python library yfinance enables access to financial data from Yahoo Finance. Yahoo Finance provides various financial market data such as stock...
Introduction In this tutorial, we want to encode ordinal categorical variables of a Pandas DataFrame. In order to do this, we use the replace() method of Pandas. Import Libraries First, we import the following python modules: import pandas as pd Create Pandas DataFrame Next, we create a Pandas DataFrame with...