122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
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import tensorflow as tf
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import os
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import pandas as pd
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import numpy as np
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import csv
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from sklearn.model_selection import train_test_split
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os.system("kaggle datasets download -d tamber/steam-video-games")
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os.system("unzip -o steam-video-games.zip")
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steam=pd.read_csv('steam-200k.csv',usecols=[0,1,2,3],names=['userId','game','behavior','hoursPlayed'])
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steam.isnull().values.any()
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steam['userId'] = steam.userId.astype(str)
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purchaseCount = steam[steam["behavior"] != "play"]["game"].value_counts()
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playCount = steam[steam["behavior"] != "purchase"]["game"].value_counts()
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playerPurchaseCount = steam[steam["behavior"] != "play"]["userId"].value_counts()
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playerPlayCount = steam[steam["behavior"] != "purchase"]["userId"].value_counts()
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steam = steam[steam['behavior'] != 'purchase']
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steam = steam.groupby("game").filter(lambda x: len(x)>10)
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size=int(len(steam)/10)
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meanGame = steam[steam["behavior"] != "purchase"].groupby("game").mean()
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meanGame = meanGame.to_dict()
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meanGame = meanGame['hoursPlayed']
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purchaseCount = purchaseCount.to_dict()
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playCount = playCount.to_dict()
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playerPurchaseCount = playerPurchaseCount.to_dict()
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playerPlayCount = playerPlayCount.to_dict()
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steam['meanTime'] = 0;
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steam['purchaseCount'] = 0;
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steam['playCount'] = 0;
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steam['playerPurchaseCount'] =0;
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steam['playerPlayCount'] =0;
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steam['playPercent'] =0;
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for i in steam.index:
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steam.at[i,'meanTime'] = meanGame[steam.at[i,'game']]
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steam.at[i,'purchaseCount'] = purchaseCount[steam.at[i,'game']]
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steam.at[i,'playCount'] = playCount[steam.at[i,'game']]
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steam.at[i,'playerPurchaseCount'] = playerPurchaseCount[steam.at[i,'userId']]
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steam.at[i,'playerPlayCount'] = playerPlayCount[steam.at[i,'userId']]
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steam.at[i,'playPercent'] = playerPlayCount[steam.at[i,'userId']]/playerPurchaseCount[steam.at[i,'userId']]
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steam_train, steam_test = train_test_split(steam, test_size=size, random_state=1, stratify=steam["game"])
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steam_train, steam_dev = train_test_split(steam_train, test_size=size, random_state=1, stratify=steam_train["game"])
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print(steam)
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games = {}
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for i in steam['game']:
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games[i] = 0
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j=0
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for key,game in games.items():
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games[key]=j
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j=j+1
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for i in steam['game']:
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i = games[i]
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invGames = {v: k for k, v in games.items()}
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x_train = steam_train[['hoursPlayed','purchaseCount','playCount','playerPlayCount','playerPurchaseCount']]
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y_train = steam_train['game']
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x_test = steam_test[['hoursPlayed','purchaseCount','playCount','playerPlayCount','playerPurchaseCount']]
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y_test = steam_test['game']
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x_train = np.array(x_train)
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y_train = np.array(y_train)
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x_test = np.array(x_test)
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y_test = np.array(y_test)
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for i,j in enumerate(y_train):
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y_train[i] = games[j]
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for i,j in enumerate(y_test):
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y_test[i] = games[j]
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model = tf.keras.models.Sequential([
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tf.keras.layers.Flatten(input_shape=(5,1)),
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tf.keras.layers.Dense(256, activation='relu'),
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tf.keras.layers.Dropout(0.01),
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tf.keras.layers.Dense(1000, activation='softmax')
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])
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model.compile(optimizer='adam',
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loss='sparse_categorical_crossentropy',
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metrics=['accuracy'])
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y_train = np.array(y_train).astype(np.float32)
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y_test = np.array(y_test).astype(np.float32)
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model.fit(x_train, y_train, epochs=100)
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model.evaluate(x_test, y_test)
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prediction = model.predict(x_test)
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classes_x=np.argmax(prediction,axis=1)
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rows = []
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for j,i in enumerate(classes_x):
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row = [invGames[i],invGames[y_test[j]]]
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rows.append(row)
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with open('results.csv','w',encoding='UTF-8',newline='') as f:
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writer = csv.writer(f)
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writer.writerow(["predicted", "expected"])
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for row in rows:
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writer.writerow(row)
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