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Update app.py
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app.py
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import streamlit as st
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import os
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# --- JAVA VE ÇEVRESEL AYARLAR ---
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from pyspark.sql import SparkSession
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from pyspark.ml.classification import LogisticRegressionModel
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from pyspark.ml.feature import VectorAssembler
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# --- SAYFA AYARLARI ---
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st.set_page_config(page_title="
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st.title("🫀
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st.
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# --- SPARK OTURUMU
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@st.cache_resource
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def get_spark():
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return SparkSession.builder \
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spark = get_spark()
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# --- MODELİ YÜKLEME ---
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@st.cache_resource
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def load_heart_model():
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# heart_model
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return LogisticRegressionModel.load(model_path)
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try:
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model = load_heart_model()
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st.success("✅ Model başarıyla yüklendi!")
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except Exception as e:
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st.error(f"❌
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st.
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# ---
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st.sidebar.header("
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def user_input_features():
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age = st.sidebar.number_input("Yaş", 1, 120, 50)
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sex = st.sidebar.selectbox("Cinsiyet (1:
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cp = st.sidebar.selectbox("Göğüs Ağrısı
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trestbps = st.sidebar.number_input("
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chol = st.sidebar.number_input("Kolesterol", 100, 600, 200)
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fbs = st.sidebar.selectbox("
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restecg = st.sidebar.selectbox("Dinlenme EKG
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thalach = st.sidebar.number_input("
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exang = st.sidebar.selectbox("
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oldpeak = st.sidebar.number_input("Oldpeak", 0.0, 10.0, 1.0)
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slope = st.sidebar.selectbox("Slope (0-2)", [0, 1, 2])
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ca = st.sidebar.selectbox("
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thal = st.sidebar.selectbox("Thal (0-3)", [0, 1, 2, 3])
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data = {
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input_df = user_input_features()
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# --- TAHMİN
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if st.button("Tahmin Et"):
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# Modelin eğitildiği sütun sırasıyla vektör oluşturma
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feature_cols = ['age', 'sex', 'cp', 'trestbps', 'chol', 'fbs', 'restecg', 'thalach', 'exang', 'oldpeak', 'slope', 'ca', 'thal']
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assembler = VectorAssembler(inputCols=feature_cols, outputCol="features")
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final_data = assembler.transform(input_df)
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probability = prediction.select("probability").collect()[0][0]
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if result == 1.0:
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st.error(f"⚠️
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else:
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st.success(f"💚
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st.divider()
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st.caption("
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import streamlit as st
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import os
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import subprocess
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# --- 1. JAVA VE ÇEVRESEL AYARLAR (JAVA & ENVIRONMENT SETTINGS) ---
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try:
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# Java yolunu sistemden otomatik bulur (Finds Java path automatically)
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java_path = subprocess.check_output(['which', 'java']).decode('utf-8').strip()
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real_java_path = os.path.realpath(java_path)
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os.environ["JAVA_HOME"] = real_java_path.replace("/bin/java", "")
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except:
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# Hata durumunda varsayılan yol (Default path if fails)
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os.environ["JAVA_HOME"] = "/usr/lib/jvm/java-17-openjdk-amd64"
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from pyspark.sql import SparkSession
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from pyspark.ml.classification import LogisticRegressionModel
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from pyspark.ml.feature import VectorAssembler
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# --- 2. SAYFA AYARLARI (PAGE SETTINGS) ---
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st.set_page_config(page_title="Heart Disease Predictor", page_icon="🫀")
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st.title("🫀 Heart Disease Risk Prediction")
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st.subheader("Kalp Hastalığı Risk Tahmini")
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# --- 3. SPARK OTURUMU (SPARK SESSION) ---
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@st.cache_resource
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def get_spark():
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return SparkSession.builder \
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spark = get_spark()
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# --- 4. MODELİ YÜKLEME (LOAD MODEL) ---
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@st.cache_resource
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def load_heart_model():
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# heart_model klasöründen verileri çeker
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return LogisticRegressionModel.load("heart_model")
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try:
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model = load_heart_model()
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st.success("✅ Model loaded successfully! / Model başarıyla yüklendi!")
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except Exception as e:
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st.error(f"❌ Error loading model: {e}")
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st.stop()
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# --- 5. GİRİŞ ALANLARI (INPUT FIELDS) ---
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st.sidebar.header("Patient Data / Hasta Verileri")
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def user_input_features():
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age = st.sidebar.number_input("Age / Yaş", 1, 120, 50)
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sex = st.sidebar.selectbox("Sex / Cinsiyet (1: M, 0: F)", [1, 0])
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cp = st.sidebar.selectbox("Chest Pain / Göğüs Ağrısı (0-3)", [0, 1, 2, 3])
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trestbps = st.sidebar.number_input("Resting Blood Pressure / Kan Basıncı", 50, 250, 120)
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chol = st.sidebar.number_input("Cholesterol / Kolesterol", 100, 600, 200)
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fbs = st.sidebar.selectbox("Fasting Blood Sugar > 120 (1: Y, 0: N)", [0, 1])
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restecg = st.sidebar.selectbox("Resting ECG / Dinlenme EKG (0-2)", [0, 1, 2])
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thalach = st.sidebar.number_input("Max Heart Rate / Maks. Kalp Hızı", 50, 250, 150)
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exang = st.sidebar.selectbox("Exercise Induced Angina (1: Y, 0: N)", [0, 1])
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oldpeak = st.sidebar.number_input("Oldpeak", 0.0, 10.0, 1.0)
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slope = st.sidebar.selectbox("Slope (0-2)", [0, 1, 2])
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ca = st.sidebar.selectbox("Major Vessels / Damar Sayısı (0-4)", [0, 1, 2, 3, 4])
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thal = st.sidebar.selectbox("Thal (0-3)", [0, 1, 2, 3])
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data = {
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input_df = user_input_features()
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# --- 6. TAHMİN (PREDICTION) ---
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if st.button("Predict / Tahmin Et"):
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feature_cols = ['age', 'sex', 'cp', 'trestbps', 'chol', 'fbs', 'restecg', 'thalach', 'exang', 'oldpeak', 'slope', 'ca', 'thal']
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assembler = VectorAssembler(inputCols=feature_cols, outputCol="features")
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final_data = assembler.transform(input_df)
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probability = prediction.select("probability").collect()[0][0]
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if result == 1.0:
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st.error(f"⚠️ Risk: HIGH / YÜKSEK (Prob: %{round(probability[1]*100, 2)})")
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else:
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st.success(f"💚 Risk: LOW / DÜŞÜK (Prob: %{round(probability[0]*100, 2)})")
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st.divider()
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st.caption("Disclaimer: This is for educational purposes only. / Tıbbi tavsiye değildir.")
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