In this tutorial, I’ll show you how to use the Sklearn train_test_split function to split machine learning data into a training set and test set. I’ll review what the function does, I’ll explain the syntax, and I’ll show an example of how to use it. If you need something specific, just click on the appropriate … Read more
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
In this tutorial, I’ll show you how to use the Sklearn Fit method to “fit” a machine learning model in Python. So I’ll quickly review what the method does, I’ll explain the syntax, and I’ll show you a step-by-step example of how to use the technique. If you need something specific, just click on any … Read more
Probably the most common question I get from new data science students is, “Which language should I learn … R or Python?” This is a somewhat complex question to answer, because it depends on who you are and what your goals are. Having said that, I do have a preference for first time data scientists. … Read more
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
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
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
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
In this tutorial, I’ll explain how to use the Numpy maximum function to compute the element-wise maxima of two Numpy arrays. I’ll explain the syntax of np.maximum, how the function works, and how to use it. If you need something specific, just click on any of the following links. Table of Contents: Introduction to Numpy … Read more
In this tutorial, I’ll show you how to implement a logistic sigmoid function in Python. I’ll explain what the logistic sigmoid function is. I’ll show you how to define the syntax for the logistic sigmoid function in Python. And I’ll show you a few examples of how it works. If you need something specific, you … Read more