from sklearn.decomposition import PCA
from sklearn.manifold import TSNE
from sklearn.preprocessing import StandardScaler
X_scaled = StandardScaler().fit_transform(X)
import great_expectations as gx
context = gx.get_context()
data_source = context.data_sources.add_pandas(name='training_data')
asset = data_source.add_dataframe_asset(name='churn_asset')
batch_definition = asset.add_batch_definition_whole_dataframe('full_dataframe')
import time
import requests
from bs4 import BeautifulSoup
session = requests.Session()
session.headers.update({'User-Agent': 'research-bot/1.0'})
import enum
import datetime as dt
from sqlalchemy import Column, Integer, String, BigInteger, Enum, DateTime
from sqlalchemy.orm import declarative_base
from sklearn.ensemble import RandomForestClassifier, HistGradientBoostingClassifier
from sklearn.linear_model import LogisticRegression
from sklearn.metrics import roc_auc_score
from sklearn.pipeline import Pipeline
from sklearn.impute import SimpleImputer
CREATE TABLE events (
id bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
source text NOT NULL,
external_id text NOT NULL,
payload jsonb NOT NULL,
occurred_at timestamptz NOT NULL,
import factory
from factory.django import DjangoModelFactory
from factory import Faker, SubFactory, post_generation
from blog.models import Post, Comment, Tag
from django.contrib.auth import get_user_model
import torch
device = 'cuda' if torch.cuda.is_available() else 'cpu'
features = torch.tensor([[1.0, 2.0], [3.0, 4.0]], requires_grad=True, device=device)
weights = torch.tensor([[0.2], [0.8]], requires_grad=True, device=device)
from django.contrib.auth import views as auth_views
from django.urls import path
app_name = 'accounts'
urlpatterns = [
import hmac
import hashlib
import time
from fastapi import Request, HTTPException, status
from celery import shared_task
from django.core.mail import send_mail
from django.contrib.auth import get_user_model
User = get_user_model()
from django.conf import settings
from datetime import datetime
def site_settings(request):
"""Add site-wide settings to template context."""