How to Use the Sklearn Linear Regression Function

A visual example of simple linear regression, where we fit a line to the training data, and then use that line as a model to predict new values.

In this tutorial, I’ll show you how to use the Sklearn Linear Regression function to create linear regression models in Python. I’ll quickly review what linear regression is, explain the syntax of Sklearn LinearRegression, and I’ll show you step-by-step examples of how to use the technique. If you need something specific, just click on any … Read more

How to Use the Sklearn Predict Method

In this tutorial, I’ll show you how to use the Sklearn predict method to predict outputs using a machine learning model in Python. So I’ll quickly review what the method does, I’ll explain the syntax, and I’ll show a example of how to use the technique. If you need something specific, just click on the … Read more

How to Use Numpy Argsort in Python

An image that shows how Numpy Argsort returns the index values that would sort a Numpy array.

This tutorial explains how to use the Numpy argsort function. It explains the syntax of np.argsort, and also shows clear examples. If you need help with something specific, you can click on any of these links. The links will take you to the appropriate part of the tutorial. Table of Contents: Introduction to Numpy Argsort … Read more

How to Use Pandas Get Dummies in Python

An image that shows how the Pandas get dummies function creates dummy variables from categorical data, in Python.

In this tutorial, I’ll show you how to use the Pandas get dummies function to create dummy variables in Python. I’ll explain what the function does, explain the syntax of pd.get_dummies, and show you step-by-step examples. If you need something specific, just click on any of the following links. Table of Contents: Introduction Syntax Examples … Read more

How to Use the Pandas Astype Function in Python

A simple image that shows how the Pandas astype method changes the datatype of Pandas dataframes or Series objects.

In this tutorial, I’ll explain how to use the Pandas astype function to modify the datatype of Pandas dataframe columns and Pandas objects. I’ll explain what the technique does, explain the syntax, and show you step-by-step examples. If you need something specific, you can click on any of the following links. Table of Contents: Introduction … Read more

How to Make a Numpy Softmax Function

In this tutorial, I’ll show you how to define a Numpy softmax function in Python. I’ll explain what the softmax function is. And I’ll show you the syntax for how to define the softmax function using the Numpy package. Additionally, I’ll show you a few examples of how it works. If you need something specific, … Read more

How to Implement Numpy Relu in Python

An image showing a plot of the ReLU function, and a simple function definition of ReLU in Python.

This blog post will show you how to implement Numpy relu. We’ll define a new function in Python that implements a rectifier activation function. So I’ll quickly explain what the ReLU function is. We’ll define the syntax for a Numpy relu function. And I’ll show you how it works in the examples section. If you … Read more