|
| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "code", |
| 5 | + "execution_count": 2, |
| 6 | + "id": "4f81dbcc", |
| 7 | + "metadata": {}, |
| 8 | + "outputs": [ |
| 9 | + { |
| 10 | + "name": "stdout", |
| 11 | + "output_type": "stream", |
| 12 | + "text": [ |
| 13 | + "Reading files...\n", |
| 14 | + "Finished Reading files.\n", |
| 15 | + "Iteration 0\n", |
| 16 | + "Iteration 1\n", |
| 17 | + "Iteration 2\n", |
| 18 | + "Iteration 3\n", |
| 19 | + "Iteration 4\n", |
| 20 | + "Iteration 5\n", |
| 21 | + "Iteration 6\n", |
| 22 | + "Iteration 7\n", |
| 23 | + "Iteration 8\n", |
| 24 | + "Iteration 9\n", |
| 25 | + "Finished updating.\n", |
| 26 | + "Calculating Hit Rate...\n", |
| 27 | + "Trained:\n", |
| 28 | + "HitRate 0.5073891625615764\n", |
| 29 | + "Number of Users:609\n", |
| 30 | + "Number of Movies:9742\n" |
| 31 | + ] |
| 32 | + } |
| 33 | + ], |
| 34 | + "source": [ |
| 35 | + "from filereader import read_ratings, read_movies\n", |
| 36 | + "from bpr import bpr_update\n", |
| 37 | + "from hitrate import hit_rate\n", |
| 38 | + "from random import seed\n", |
| 39 | + "from util import cov_matrix\n", |
| 40 | + "from util import random_vector\n", |
| 41 | + "import numpy as np\n", |
| 42 | + "import random as random\n", |
| 43 | + "seed(42)\n", |
| 44 | + "np.random.seed(42)\n", |
| 45 | + "print(\"Reading files...\")\n", |
| 46 | + "users = read_ratings(\"data/ratings.csv\")\n", |
| 47 | + "movies = read_movies(\"data/movies.csv\")\n", |
| 48 | + "print(\"Finished Reading files.\")\n", |
| 49 | + "iterations = 10\n", |
| 50 | + "\n", |
| 51 | + "for i in range(iterations):\n", |
| 52 | + " print(\"Iteration \" + str(i))\n", |
| 53 | + " bpr_update(users, movies)\n", |
| 54 | + "\n", |
| 55 | + "print(\"Finished updating.\")\n", |
| 56 | + "print(\"Calculating Hit Rate...\")\n", |
| 57 | + "\n", |
| 58 | + "hits, denom, rms, rmsall = hit_rate(users, movies)\n", |
| 59 | + "\n", |
| 60 | + "print(\"Trained:\")\n", |
| 61 | + "print(\"HitRate\" + ' ' + str(hits/denom))\n", |
| 62 | + "print(\"Number of Users:\" + str(len(users)))\n", |
| 63 | + "print(\"Number of Movies:\" + str(len(movies)))" |
| 64 | + ] |
| 65 | + } |
| 66 | + ], |
| 67 | + "metadata": { |
| 68 | + "kernelspec": { |
| 69 | + "display_name": "Python 3", |
| 70 | + "language": "python", |
| 71 | + "name": "python3" |
| 72 | + }, |
| 73 | + "language_info": { |
| 74 | + "codemirror_mode": { |
| 75 | + "name": "ipython", |
| 76 | + "version": 3 |
| 77 | + }, |
| 78 | + "file_extension": ".py", |
| 79 | + "mimetype": "text/x-python", |
| 80 | + "name": "python", |
| 81 | + "nbconvert_exporter": "python", |
| 82 | + "pygments_lexer": "ipython3", |
| 83 | + "version": "3.8.8" |
| 84 | + } |
| 85 | + }, |
| 86 | + "nbformat": 4, |
| 87 | + "nbformat_minor": 5 |
| 88 | +} |
0 commit comments