Delete app.py
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app.py
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#!/usr/bin/env python
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# coding: utf-8
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import pandas as pd
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from sklearn.model_selection import train_test_split #veri setini bölme işlemleri
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from sklearn.linear_model import LinearRegression #Doğrusal regresyon
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from sklearn.metrics import r2_score,mean_squared_error #modelimizin performansını ölçmek için
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from sklearn.compose import ColumnTransformer #Sütun dönüşüm işlemleri
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from sklearn.preprocessing import OneHotEncoder, StandardScaler # kategori - sayısal dönüşüm ve ölçeklendirme
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from sklearn.pipeline import Pipeline #Veri işleme hattı
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df=pd.read_excel('cars.xls')
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df
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X=df.drop('Price',axis=1) #fiyat sütunu çıkar fiyata etki edenler kalsın
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y=df['Price'] #tahmin
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X_train,X_test,y_train,y_test=train_test_split(X,y,test_size=0.2,random_state=42)
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preprocess=ColumnTransformer(
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transformers=[
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('num',StandardScaler(),['Mileage', 'Cylinder','Liter','Doors']),
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('cat',OneHotEncoder(),['Make','Model','Trim','Type'])
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]
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)
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my_model=LinearRegression()
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pipe=Pipeline(steps=[('preprocessor',preprocess),('model',my_model)])
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pipe.fit(X_train,y_train)
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y_pred=pipe.predict(X_test)
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print('RMSE',mean_squared_error(y_test,y_pred)**0.5)
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print('R2',r2_score(y_test,y_pred))
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df['Mileage'].max()
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df['Type'].unique()
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df['Liter'].max()
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import streamlit as st
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#price tahmin fonksiyonu tanımla
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def price(make,model,trim,mileage,car_type,cylinder,liter,doors,cruise,sound,leather):
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input_data=pd.DataFrame({'Make':[make],
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'Model':[model],
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'Trim':[trim],
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'Mileage':[mileage],
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'Type':[car_type],
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'Cylinder':[cylinder],
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'Liter':[liter],
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'Doors':[doors],
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'Cruise':[cruise],
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'Sound':[sound],
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'Leather':[leather]})
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prediction=pipe.predict(input_data)[0]
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return prediction
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st.title("Used Car Price Estimation:red_car: @jameswhitecookjr90")
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st.write('Select the features of the car')
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make=st.selectbox('Make',df['Make'].unique())
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model=st.selectbox('Model',df[df['Make']==make]['Model'].unique())
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trim=st.selectbox('Trim',df[(df['Make']==make) &(df['Model']==model)]['Trim'].unique())
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mileage=st.number_input('Mileage',100,200000)
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car_type=st.selectbox('Vehicle Type',df[(df['Make']==make) &(df['Model']==model)&(df['Trim']==trim)]['Type'].unique())
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cylinder=st.selectbox('Cylinder',df['Cylinder'].unique())
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liter=st.number_input('Engine Displacement',1,10)
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doors=st.selectbox('Number of Doors',df['Doors'].unique())
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cruise=st.radio('Cruise Control',[True,False])
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sound=st.radio('Audio System',[True,False])
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leather=st.radio('Leather Seat',[True,False])
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if st.button('Predict'):
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pred=price(make,model,trim,mileage,car_type,cylinder,liter,doors,cruise,sound,leather)
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st.write('Price:$', round(pred[0],2))
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