s9k96

import pandas as pd
from statsmodels.stats.outliers_influence import variance_inflation_factor 


def get_vif(X, drop_cols = []):
    X = X.drop(columns = drop_cols).dropna()
    vif_data = pd.DataFrame()
    vif_data['feature'] = X.columns
    vif_data['VIF'] = [variance_inflation_factor(X.values, i) for i in range(len(X.columns))]
    return vif_data.sort_values(by = 'VIF').reset_index(drop=True)

s9k96

x = np.arange(0,10)
y = [10,8,7,8,6,5,4,4,3,13]

fig, ax = plt.subplots(figsize = (15,10))
line, = ax.plot(x, y, 'bo--', color='k')
plt.grid()
def update(num, x, y, line):
    line.set_data(x[:num+1], y[:num+1])
    line.set_animated(True)
    color = 'black'

s9k96

# Send notifications to a slack channel through slack webhooks. 
import requests
import json

webhook = '' # Slack channel webhook. 

def notify_slack(message):
  """
  Send a string to slack channel.
  message: str

s9k96

"""
Lambda function for starting an already set EC2 instance and ssh-ing into it using Paramiko library. 
Paramiko is installed on lambda using lambda layers. 
"""

import json
import paramiko
import boto3

region = ''

s9k96

"""
Lambda function to switch on/off an ec2 instance.
Event can be passed like:
{
  "action" : "list" -> to list all the instances.
           : "start" -> to start a already set instance.
           : "stop" -> to stop a alreadt set instance.
}
"""