# Machine Learning Tutorials and Examples for Beginners

Machine learning is a data analytics technique that teaches computers to do what comes naturally to humans and animals: learn from experience.

In this page, we write some tutorials and examples on machine learning algorithms and applications. You can learn how to use machine learning in life by following our tutorials.

## JavaScript Detect Web Page Zoom Level in Browsers – JavaScript Examples

We can press ctrl and + or ctrl and – to zoom in or zoom out a web page. In this tutorial, we will introduce you how to detect the zoom level using javascript.

## Understand the Relationship Between Pearson Correlation Coefficient and Cosine Similarity – Machine Learning Tutorial

Pearson Correlation Coefficient and Cosine Similarity can measure the correlation between two varialbes, both of them are in [-1, 1]. In this tutorial, we will discuss the relationship between them.

## Compare Pearson Correlation Coefficient with Spearman Correlation Coefficient – Machine Learning Tutorial

As to Pearson Correlation Coefficient and Spearman Correlation Coefficient, both of them can meaure the relationship between two variables. However, there are some differences between them. In this tutorial, we will compare them and discuss these differences.

## A Beginner Guide to Pearson Correlation Coefficient – Machine Learning Tutorial

Pearson correlation coefficient aims to measure the strength of the relationship between two variables. In this tutorial, we will introduce it for machine learning beginners.

## Convert a Normal Distribution Data to Standard Normal Distribution – Machine Learning Tutorial

As to a norm distribution data $$X$$, how to convert its distribution to standard normal distribution? In this tutorial, we will introduce you how to do.

## Understand the Mean and Variance Computed in Batch Normalization – Machine Learning Tutorial

In this tutorial, we will discuss how the mean and variance computed in batch normalization, which is very usefult to understand batch normalization.

## A Full List of Movie Aspect Terms for Movie Aspect Based Sentiment Analysis

Aspect Based Sentiment Analysis (ABSA) is often applied on amazon restaurants and laptops reviews. However, if you want to use movie reviews to implement aspect based sentiment analysis, you will find no aspect terms. In this tutorial, we will list some aspect terms in movie review dataset.

## An Explain to Why not Use Relu Activation Functionin in RNN or LSTM? – Machine Learning Tutorial

We often use tanh activation function in rnn or lstm. However, we can not use relu in these model. Why? In this tutorial, we will explain it to you.

## An Introduction to Gaussian Distribution or Normal Distribution – Machine Learning Tutorial

Gaussian Distribution is also called Normal Distribution, which is widely used in machine learning field. In this tutorial, we will introduce it for beginners.

## Implement LDA Model Using Gensim – A Beginner Guide – Gensim Tutorial

LDA (Latent Dirichlet Allocation) is a kind of unsupervised method to classify documents by topic number. In this tutorial, we will introduce how to build a LDA model using python gensim.