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Update app.py
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app.py
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@@ -5,99 +5,102 @@ 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
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#
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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
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# Spark Session
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spark = SparkSession.builder \
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.appName("
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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 =
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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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# ---
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st.title("🫀 Heart Disease Risk Prediction")
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st.subheader("Kalp Hastalığı Risk Tahmini")
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# --- 4. GİRİŞ ALANLARI (SIDEBAR) ---
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st.sidebar.header("📋
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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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# 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:
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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 Predictor", page_icon="🫀", layout="wide")
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# Spark ve Modeli Başlat
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@st.cache_resource
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def initialize_app():
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spark = SparkSession.builder \
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.appName("HeartApp") \
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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 = LogisticRegressionModel.load("heart_model")
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return spark, model
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try:
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spark, model = initialize_app()
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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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# --- 2. BAŞLIKLAR (HEADERS) ---
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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.markdown("---")
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# --- 3. HIZLI TEST BUTONLARI (QUICK SCENARIOS) ---
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st.markdown("### 🧪 Quick Test Scenarios / Hızlı Test Senaryoları")
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st.write("Click a button to auto-fill the form / Formu otomatik doldurmak için bir butona basın:")
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col_b1, col_b2 = st.columns(2)
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# Session state ile değerleri kontrol edelim (Butonlara basınca form güncellenir)
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if 'preset' not in st.session_state:
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st.session_state.preset = "default"
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if col_b1.button("🟢 Load Low Risk (Healthy) / Düşük Risk (Sağlıklı)"):
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st.session_state.preset = "low"
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if col_b2.button("🔴 Load High Risk (Patient) / Yüksek Risk (Hasta)"):
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st.session_state.preset = "high"
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# Senaryo değerlerini tanımlayalım
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if st.session_state.preset == "low":
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# Genç, sağlıklı değerler
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d = [25, 0, 1, 110, 180, 0, 0, 180, 0, 0.0, 2, 0, 1]
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elif st.session_state.preset == "high":
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# Yaşlı, riskli değerler (Yüksek Tansiyon, Oldpeak ve Damar Sayısı)
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d = [65, 1, 0, 160, 290, 1, 2, 105, 1, 3.2, 1, 3, 3]
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else:
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# Varsayılan değerler
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d = [50, 1, 1, 120, 210, 0, 1, 145, 0, 1.0, 1, 0, 2]
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st.markdown("---")
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# --- 4. GİRİŞ ALANLARI (SIDEBAR) ---
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st.sidebar.header("📋 Input Data / Veri Girişi")
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age = st.sidebar.slider("Age / Yaş", 1, 100, d[0])
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sex = st.sidebar.radio("Sex / Cinsiyet", [1, 0], index=(0 if d[1]==1 else 1), format_func=lambda x: "Male/Erkek (1)" if x == 1 else "Female/Kadın (0)")
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cp = st.sidebar.selectbox("Chest Pain / Göğüs Ağrısı (0-3)", [0, 1, 2, 3], index=d[2])
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trestbps = st.sidebar.number_input("Blood Pressure / Tansiyon", 50, 250, d[3])
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chol = st.sidebar.number_input("Cholesterol / Kolesterol", 100, 600, d[4])
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fbs = st.sidebar.selectbox("Fasting Sugar / Şeker > 120", [0, 1], index=d[5], format_func=lambda x: "Yes/Evet (1)" if x == 1 else "No/Hayır (0)")
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restecg = st.sidebar.selectbox("Resting ECG / EKG (0-2)", [0, 1, 2], index=d[6])
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thalach = st.sidebar.slider("Max Heart Rate / Maks. Kalp Hızı", 50, 220, d[7])
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exang = st.sidebar.radio("Exercise Angina / Egzersiz Ağrısı", [0, 1], index=d[8], format_func=lambda x: "Yes/Evet (1)" if x == 1 else "No/Hayır (0)")
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oldpeak = st.sidebar.number_input("Oldpeak (ST Depression)", 0.0, 10.0, d[9], step=0.1)
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slope = st.sidebar.selectbox("Slope (0-2)", [0, 1, 2], index=d[10])
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ca = st.sidebar.selectbox("Major Vessels / Damar Sayısı (0-4)", [0, 1, 2, 3, 4], index=d[11])
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thal = st.sidebar.selectbox("Thalassemia / Thal (0-3)", [0, 1, 2, 3], index=d[12])
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# --- 5. TAHMİN BÖLÜMÜ (PREDICTION) ---
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if st.button("🚀 RUN ANALYSIS / ANALİZİ ÇALIŞTIR"):
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# Spark için veri hazırla
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input_data = spark.createDataFrame([{
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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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# Özellikleri vektöre çevir
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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_df = assembler.transform(input_data)
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# Tahmin yap
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prediction = model.transform(final_df)
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res = prediction.select("prediction").collect()[0][0]
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prob = prediction.select("probability").collect()[0][0]
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st.markdown("### 📊 Result / Sonuç:")
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if res == 1.0:
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st.error(f"🚨 **HIGH RISK / YÜKSEK RİSK** (Prob: %{round(prob[1]*100, 2)})")
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st.write("According to the model, heart disease risk is high. / Modele göre kalp hastalığı riski yüksek.")
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else:
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st.success(f"💚 **LOW RISK / DÜŞÜK RİSK** (Prob: %{round(prob[0]*100, 2)})")
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st.write("According to the model, heart disease risk is low. / Modele göre risk düşük görünmektedir.")
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st.divider()
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st.caption("Disclaimer: For educational purposes only. / Tıbbi tavsiye niteliği taşımaz.")
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