web_crawler_and_perceptron: A Python repository from andyj1

Web Crawler

Air Quality Index
- Reads information in Korean format, and undergoes processing steps (KOR-ENG translation, contextual correction)
- packages: googletrans, bs4, urllib
- Command (with arguments)
```
python AQI_crawler.py -c seoul -n kr
python AQI_crawler.py -c usa -n newyork
** -c: city, -n: country
** the website path flow is a bit inconsistent across cities.
```
Google Search
- Searches for a user-specified query with proper HTTP header and maps links to found result title in JSON format.
- packages: requests, bs4
- Command (with arguments)
```
python google_crawler.py --query test
```

Perceptron neural network with backpropgation (1-stage)

package: numpy
console output

Random synaptic weights:
  [[-0.16595599]
  [ 0.44064899]
  [-0.99977125]]
synaptic weights after training:
  [[ 9.67299303]
  [-0.2078435 ]
  [-4.62963669]]
  Input 1: 1
  Input 2: 2
  Input 3: 3
('New situation: input data = ', '1', '2', '3')
Output data:
  [0.00964519]
Random starting synaptic weights:
  [[-0.16595599]
  [ 0.44064899]
  [-0.99977125]]
Synaptic weights after training
  [[10.38040701]
  [-0.20641179]
  [-4.98452047]]
outputs after training:
  [[0.00679672]
  [0.99445583]
  [0.99548516]
  [0.00553614]]

andyj1/web_crawler_and_perceptron

Web Crawler