Neural Network Tutorial - Sentiment Analysis with NodeJS

Neural Network Classifier Tutorial - Sentiment Analysis with NodeJS

Hey guys! Today we are going over how to use the NodeJS 'natural-brain' package to classify natural language and determine the sentiment level of a given input. The classifier uses a Machine Learning (Artificial Intelligence) Neural Network algorithm to classify natural language.

In the video we train the neural network with 5 input statements and labels (positive or negative). We then run the trained neural network on new statements to determine the sentiment of the statements. Even training the neural network with 5 statements displayed promising results.

Steps to set-up:
1. Download NodeJS (https://nodejs.org/en/download/)
2. Open Terminal (or command prompt on Windows)
3. Type the command "sudo npm install natural-brain" on Mac or "npm install natural-brain" on Windows and hit ENTER
4. On Mac you may be asked to enter your computer user account password; this is normal and is giving the terminal the rights to install the package.
5. Create a JavaScript file (save any text file with a .js extension)
6. Write the code from the video
7. In your terminal navigate to the folder where your JavaScript file is located
8. Run the command "node script.js" or whatever you called your file

Natural-brain package (reference):
https://github.com/mysamai/natural-brain


Checkout a full JavaScript guide:
https://amzn.to/2SAWLiQ


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