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DBS_SingDollar.csv

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+,Date,DBS,SGD
+1,6/20/2017,20.45,1.38925
+2,6/19/2017,20.6,1.38707
+3,6/16/2017,20.45,1.38324
+4,6/15/2017,20.41,1.38378
+5,6/14/2017,20.59,1.37595
+6,6/13/2017,20.78,1.38172
+7,6/12/2017,20.59,1.38424
+8,6/9/2017,20.72,1.38401
+9,6/8/2017,20.47,1.3827
+10,6/7/2017,20.43,1.38187
+11,6/6/2017,20.49,1.37925
+12,6/5/2017,20.49,1.38157
+13,6/2/2017,20.48,1.38104
+14,6/1/2017,20.65,1.38653
+15,5/31/2017,20.47,1.3832
+16,5/30/2017,20.6,1.3853
+17,5/29/2017,20.84,1.38665
+18,5/26/2017,20.8,1.38071
+19,5/25/2017,21.04,1.38634
+20,5/24/2017,21,1.38451
+21,5/23/2017,21,1.38995
+22,5/22/2017,20.86,1.38642
+23,5/19/2017,20.7,1.38523
+24,5/18/2017,20.63,1.39297
+25,5/17/2017,20.8,1.38981
+26,5/16/2017,20.65,1.39474
+27,5/15/2017,20.77,1.39749
+28,5/12/2017,20.68,1.40394
+29,5/11/2017,20.93,1.40746
+30,5/9/2017,20.5,1.41128
+31,5/8/2017,20.3,1.40604
+32,5/5/2017,20.42,1.40496
+33,5/4/2017,20.45,1.40069
+34,5/3/2017,20.53,1.39724
+35,5/2/2017,19.57,1.39379
+36,4/28/2017,19.07,1.39739
+37,4/27/2017,18.93,1.3971
+38,4/26/2017,19.03,1.39598
+39,4/25/2017,18.92,1.39412
+40,4/24/2017,18.73,1.39261
+41,4/21/2017,18.5,1.39655
+42,4/20/2017,18.64,1.39772
+43,4/19/2017,18.52,1.39821
+44,4/18/2017,18.65,1.39584
+45,4/17/2017,18.63,1.39794
+46,4/13/2017,18.82,1.39799
+47,4/12/2017,18.97,1.39653
+48,4/11/2017,18.88,1.40404
+49,4/10/2017,18.85,1.4048
+50,4/7/2017,18.78,1.40474
+51,4/6/2017,18.85,1.40211
+52,4/5/2017,18.93,1.40067
+53,4/4/2017,18.95,1.39817
+54,4/3/2017,19.12,1.3971
+55,3/31/2017,19.12,1.39639
+56,3/30/2017,19.02,1.39769
+57,3/29/2017,19.01,1.39407
+58,3/28/2017,18.75,1.39677
+59,3/27/2017,18.43,1.39397
+60,3/24/2017,18.52,1.39885
+61,3/23/2017,18.38,1.3997
+62,3/22/2017,18.4,1.39854
+63,3/21/2017,18.73,1.39934
+64,3/20/2017,18.74,1.39688
+65,3/17/2017,18.86,1.40201
+66,3/16/2017,18.84,1.40121
+67,3/15/2017,18.85,1.40224
+68,3/14/2017,18.91,1.41592
+69,3/13/2017,18.83,1.41477
+70,3/10/2017,18.66,1.41173
+71,3/9/2017,18.67,1.42132
+72,3/8/2017,19,1.41763
+73,3/7/2017,18.82,1.41135
+74,3/6/2017,18.79,1.41235
+75,3/3/2017,18.74,1.41037
+76,3/2/2017,18.76,1.41213
+77,3/1/2017,18.55,1.40907
+78,2/28/2017,18.46,1.405
+79,2/27/2017,18.54,1.40429
+80,2/24/2017,18.6,1.40447
+81,2/23/2017,18.62,1.40763
+82,2/22/2017,18.48,1.41323
+83,2/21/2017,18.19,1.42045
+84,2/20/2017,18.23,1.41793
+85,2/17/2017,18.33,1.41901
+86,2/16/2017,18.27,1.41659
+87,2/15/2017,17.97,1.41906
+88,2/14/2017,18,1.41995
+89,2/13/2017,18.64,1.42416
+90,2/10/2017,18.7,1.42058
+91,2/9/2017,18.55,1.42066
+92,2/8/2017,18.53,1.41667
+93,2/7/2017,18.59,1.41857
+94,2/6/2017,18.66,1.40917
+95,2/3/2017,18.39,1.40746
+96,2/2/2017,18.51,1.41138
+97,2/1/2017,18.61,1.41244
+98,1/31/2017,18.7,1.40954
+99,1/27/2017,18.89,1.43178
+100,1/26/2017,18.76,1.42589
+101,1/25/2017,18.58,1.41285
+102,1/24/2017,18.39,1.42117
+103,1/23/2017,18.08,1.41598
+104,1/20/2017,18.01,1.42705
+105,1/19/2017,18.02,1.42616
+106,1/18/2017,17.94,1.42876
+107,1/17/2017,18.09,1.41601
+108,1/16/2017,18.06,1.4303
+109,1/13/2017,18.05,1.42592
+110,1/12/2017,17.86,1.42728
+111,1/11/2017,17.78,1.42678
+112,1/10/2017,17.73,1.43654
+113,1/9/2017,17.59,1.43529
+114,1/6/2017,17.42,1.43938
+115,1/5/2017,17.54,1.42847
+116,1/4/2017,17.27,1.43942
+117,1/3/2017,17.07,1.44992
+118,12/30/2016,17.09,1.44655
+119,12/29/2016,17.13,1.44814
+120,12/28/2016,17.22,1.45018
+121,12/27/2016,17.19,1.44954
+122,12/23/2016,17.14,1.44766

app.py

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+import os
+import pandas as pd
+import gradio as gr
+from groq import Groq
+from sklearn.model_selection import train_test_split
+from sklearn.linear_model import LinearRegression
+
+# =========================================================
+# 1️⃣  GROQ CHATBOT (App 1)
+# =========================================================
+
+client = Groq(api_key=os.getenv("GROQ_API_KEY"))
+
+def groq_chat(text):
+    """Chat interface powered by Groq LLM."""
+    completion = client.chat.completions.create(
+        model="llama-3.1-8b-instant",
+        messages=[{"role": "user", "content": text}]
+    )
+    return completion.choices[0].message.content
+
+
+# =========================================================
+# 2️⃣  DBS Regression Model (App 2)
+# =========================================================
+
+# Load local CSV (must be uploaded into the HF Space)
+df = pd.read_csv("DBS_SingDollar.csv")
+df = df[["DBS", "SGD"]].dropna()
+
+# Prepare data
+X = df[["SGD"]]
+y = df["DBS"]
+
+X_train, X_test, y_train, y_test = train_test_split(
+    X, y, test_size=0.2, random_state=42
+)
+
+model = LinearRegression()
+model.fit(X_train, y_train)
+
+def predict_dbs_price(sgd_rate: float):
+    """Predict DBS share price from SGD exchange rate."""
+    pred = model.predict([[sgd_rate]])[0]
+    return f"Predicted DBS Share Price: {pred:.2f}"
+
+
+# =========================================================
+# 3️⃣  BUILD MULTI-APP GRADIO UI
+# =========================================================
+
+with gr.Blocks() as app:
+    gr.Markdown("## 🚀 Multi-App: Groq Chatbot + DBS Share Price Predictor (CPU Version)")
+
+    # ---- TAB 1: Groq Chatbot ----
+    with gr.Tab("💬 Groq Chatbot"):
+        user_in = gr.Textbox(label="Enter your message:", lines=4)
+        bot_out = gr.Textbox(label="Model Reply:", lines=8)
+        send_btn = gr.Button("Send")
+        send_btn.click(fn=groq_chat, inputs=user_in, outputs=bot_out)
+
+    # ---- TAB 2: DBS Predictor ----
+    with gr.Tab("📈 DBS Price Predictor"):
+        rate_in = gr.Number(label="SGD Exchange Rate")
+        result_out = gr.Textbox(label="Predicted DBS Price")
+        predict_btn = gr.Button("Predict")
+        predict_btn.click(fn=predict_dbs_price, inputs=rate_in, outputs=result_out)
+
+if __name__ == "__main__":
+    app.launch()
+

requirements.txt

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+groq
+gradio
+scikit-learn