https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter

https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter

Last synced: 22 days ago
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• Host: GitHub
• URL: https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter
• Owner: muhakbarhamid21
• Created: 2024-03-25T21:31:09.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2024-03-27T16:54:20.000Z (about 1 year ago)
• Last Synced: 2024-10-20T22:17:32.843Z (7 months ago)
• Language: Jupyter Notebook
• Size: 23.4 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Sentiment Analysis COVID 19 Twitter

## System Flowchart

![sys_flow](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/4c6521f8-265e-4ce6-9ca1-cedaa03be40c)

## Dataset

https://www.kaggle.com/datasets/dionisiusdh/covid19-indonesian-twitter-sentiment

## Method

### Prerocessing

- Case Folding

- Tokenizing

- Filtering

- Word Handling

- Stemming

### Feature Selection

- TF-IDF

### Classification

- Logistic Regression

### Handling Imbalance

- Undersampling

- Oversampling

- SMOTE

- Cost-Sensitive Learning

- Bagging

- Tomek Links

## Data Exploration

Class

positif = 23521

negatif = 20055

netral = 9383

![total jumlah sentimen](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/6f96a7a3-b8da-4093-8a5b-a5f239097c69)

## Top Features

- Positive Class

  ![top features - positive class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/49447d71-493a-466f-bc2e-d99326294b4d)

- Negative Class

  ![top features - negative class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/54136943-5b7b-479d-9900-b03be2a66a14)

- Neutral Class

  ![top features - neutral class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/cbf9eb7a-cb12-4daf-a11d-4947cebf86a8)

## Word Cloud

- Positive Class

  ![word cloud - positive class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/97468b02-8993-449d-ac56-5ad554ab0aa0)

- Negative Class

  ![word cloud - negative class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/8ea0c7a2-0356-43bc-a51d-3bcd256f7fde)

- Neutral Class

  ![word cloud - neutral class](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/077f85d8-3e87-4b5d-bb89-5417a67a5569)

## Evaluation

### Accuracy

![model accuracy comparation](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/681908de-e58b-4a70-abf6-5e9adad1aacb)

![model accuracy comparation (2)](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/3d114689-3e47-4b80-8859-aa8d56773416)

### Classification Report

![Untitled Diagram drawio](https://github.com/muhakbarhamid21/sentiment-analysis-covid-19-twitter/assets/72149133/e27f5e88-9a34-4718-9c8a-33562512400b)