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Update app.py
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app.py
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@@ -5,95 +5,99 @@ from pyspark.ml.classification import LogisticRegressionModel
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from pyspark.ml.feature import VectorAssembler
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# --- 1. SAYFA AYARLARI (PAGE CONFIG) ---
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st.set_page_config(page_title="Heart Disease Predictor", page_icon="🫀", layout="
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#
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st.markdown("""
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<style>
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.main {
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.stButton>button { width: 100%; border-radius:
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</style>
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""", unsafe_allow_html=True)
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st.subheader("Kalp Hastalığı Risk Tahmini")
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st.write("---")
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# --- 2. SPARK VE MODEL YÜKLEME (SPARK & MODEL LOADING) ---
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@st.cache_resource
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def
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# Spark
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spark = SparkSession.builder \
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.appName("HeartDiseaseApp") \
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.master("local[*]") \
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.config("spark.driver.bindAddress", "127.0.0.1") \
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.getOrCreate()
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#
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model = LogisticRegressionModel.load("heart_model")
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return spark, model
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try:
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spark, model =
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st.success("✅ System Ready / Sistem Hazır")
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except Exception as e:
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st.error(f"
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st.info("Lütfen heart_model klasörünün doğruluğunu kontrol edin.")
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st.stop()
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# --- 3.
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st.sidebar.header("📋 Patient Data / Hasta Verileri")
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def
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age = st.number_input("Age / Yaş", 1, 120, 50)
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sex = st.selectbox("Sex / Cinsiyet", options=[1, 0], format_func=lambda x: "Male/Erkek (1)" if x == 1 else "Female/Kadın (0)")
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cp = st.selectbox("Chest Pain / Göğüs Ağrısı (0-3)", [0, 1, 2, 3])
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trestbps = st.number_input("Resting BP / Kan Basıncı", 50, 250, 120)
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chol = st.number_input("Cholesterol / Kolesterol", 100, 600, 200)
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fbs = st.selectbox("Fasting Sugar > 120 / Şeker", [0, 1], format_func=lambda x: "Yes/Evet (1)" if x == 1 else "No/Hayır (0)")
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with col2:
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restecg = st.selectbox("Resting ECG / EKG (0-2)", [0, 1, 2])
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thalach = st.number_input("Max Heart Rate / Kalp Hızı", 50, 250, 150)
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exang = st.selectbox("Exercise Angina / Anjin", [0, 1], format_func=lambda x: "Yes/Evet (1)" if x == 1 else "No/Hayır (0)")
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oldpeak = st.number_input("Oldpeak", 0.0, 10.0, 1.0)
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slope = st.selectbox("Slope (0-2)", [0, 1, 2])
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ca = st.selectbox("Major Vessels / Damar Sayısı", [0, 1, 2, 3, 4])
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thal = st.selectbox("Thal (0-3)", [0, 1, 2, 3])
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input_data = {
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'age': age, 'sex': sex, 'cp': cp, 'trestbps': trestbps, 'chol': chol,
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'fbs': fbs, 'restecg': restecg, 'thalach': thalach, 'exang': exang,
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'oldpeak': oldpeak, 'slope': slope, 'ca': ca, 'thal': thal
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}
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return spark.createDataFrame([
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st.
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if st.button("
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# Özellikleri vektöre dönüştür
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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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#
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result =
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if result == 1.0:
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st.error(f"⚠️ HIGH RISK / YÜKSEK RİSK")
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st.
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else:
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st.success(f"
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st.
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st.
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st.caption("Disclaimer:
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from pyspark.ml.feature import VectorAssembler
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# --- 1. SAYFA AYARLARI (PAGE CONFIG) ---
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st.set_page_config(page_title="Heart Disease Predictor", page_icon="🫀", layout="wide")
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# Görsel stil ekleyelim (CSS)
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st.markdown("""
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<style>
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.main { background-color: #f5f7f9; }
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.stButton>button { width: 100%; border-radius: 10px; height: 3em; background-color: #e63946; color: white; font-weight: bold; }
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.stSuccess { background-color: #d8f3dc; }
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</style>
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""", unsafe_allow_html=True)
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# --- 2. SPARK VE MODEL BAŞLATMA ---
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@st.cache_resource
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def initialize_spark_and_model():
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# Spark Session
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spark = SparkSession.builder \
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.appName("HeartDiseaseApp") \
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.master("local[*]") \
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.config("spark.driver.bindAddress", "127.0.0.1") \
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.getOrCreate()
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# Model Loading
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model = LogisticRegressionModel.load("heart_model")
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return spark, model
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try:
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spark, model = initialize_spark_and_model()
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except Exception as e:
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st.error(f"Error / Hata: {e}")
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st.stop()
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# --- 3. ÜST BAŞLIK VE AÇIKLAMA ---
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st.title("🫀 Heart Disease Risk Prediction")
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st.subheader("Kalp Hastalığı Risk Tahmini")
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st.info("Fill in the patient data on the left and click 'Predict'. / Soldaki hasta verilerini doldurun ve 'Tahmin Et' butonuna basın.")
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# --- 4. GİRİŞ ALANLARI (SIDEBAR) ---
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st.sidebar.header("📋 Patient Data / Hasta Verileri")
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def get_user_inputs():
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# Sayısal girişler ve seçimler
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age = st.sidebar.slider("Age / Yaş", 1, 100, 50)
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sex = st.sidebar.radio("Sex / Cinsiyet", [1, 0], format_func=lambda x: "Male/Erkek" if x == 1 else "Female/Kadın")
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cp = st.sidebar.selectbox("Chest Pain Type / Göğüs Ağrısı Tipi (0-3)", [0, 1, 2, 3])
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trestbps = st.sidebar.number_input("Resting BP / Kan Basıncı (mm Hg)", 50, 250, 120)
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chol = st.sidebar.number_input("Cholesterol / Kolesterol (mg/dl)", 100, 600, 200)
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fbs = st.sidebar.radio("Fasting Blood Sugar > 120 / Şeker Yüksek mi?", [0, 1], format_func=lambda x: "Yes/Evet" if x == 1 else "No/Hayır")
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restecg = st.sidebar.selectbox("Resting ECG / EKG Sonucu (0-2)", [0, 1, 2])
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thalach = st.sidebar.slider("Max Heart Rate / Maks. Kalp Hızı", 50, 220, 150)
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exang = st.sidebar.radio("Exercise Induced Angina / Egzersiz Ağrısı?", [0, 1], format_func=lambda x: "Yes/Evet" if x == 1 else "No/Hayır")
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oldpeak = st.sidebar.number_input("Oldpeak (ST Depression)", 0.0, 10.0, 1.0, step=0.1)
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slope = st.sidebar.selectbox("Slope of ST Segment (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("Thalassemia / Thal (0-3)", [0, 1, 2, 3])
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data = {
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'age': age, 'sex': sex, 'cp': cp, 'trestbps': trestbps, 'chol': chol,
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'fbs': fbs, 'restecg': restecg, 'thalach': thalach, 'exang': exang,
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'oldpeak': oldpeak, 'slope': slope, 'ca': ca, 'thal': thal
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}
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return spark.createDataFrame([data])
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input_df = get_user_inputs()
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# --- 5. TAHMİN VE SONUÇ EKRANI ---
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col1, col2 = st.columns([1, 1])
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with col1:
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st.markdown("### User Profile / Kullanıcı Profili")
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st.write(input_df.toPandas().T.rename(columns={0: 'Values'}))
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with col2:
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st.markdown("### Prediction / Tahmin")
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if st.button("RUN ANALYSIS / ANALİZİ ÇALIŞTIR"):
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# Veriyi hazırla
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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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processed_data = assembler.transform(input_df)
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# Model tahmini
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prediction_output = model.transform(processed_data)
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result = prediction_output.select("prediction").collect()[0][0]
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prob = prediction_output.select("probability").collect()[0][0]
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# Sonuç Görselleştirme
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if result == 1.0:
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st.error(f"### ⚠️ HIGH RISK / YÜKSEK RİSK")
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st.metric("Risk Probability / Risk Olasılığı", f"%{round(prob[1]*100, 2)}")
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st.write("Please consult a doctor. / Lütfen bir doktora danışın.")
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else:
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st.success(f"### ✅ LOW RISK / DÜŞÜK RİSK")
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st.metric("Healthy Probability / Sağlıklı Olasılığı", f"%{round(prob[0]*100, 2)}")
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st.write("Results look stable. / Sonuçlar stabil görünüyor.")
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st.divider()
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st.caption("Disclaimer: This AI model is for educational purposes. / Bu yapay zeka modeli eğitim amaçlıdır.")
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