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Update app.py
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app.py
CHANGED
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@@ -38,16 +38,6 @@ def load_theme_classifier():
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theme_classifier = load_theme_classifier()
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candidate_labels = ["Stock Movement", "Earnings", "M&A", "Regulation", "Product Launch", "Market Analysis"]
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# --------------------------
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# โหลด summarization model
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# --------------------------
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@st.cache_resource
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def load_summarizer():
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# เปลี่ยนเป็นโมเดลสรุปข่าวสายการเงิน
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return pipeline("summarization", model="Nerdward/financial-summarization-pegasus-finetuned-pytorch-model")
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summarizer = load_summarizer()
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# --------------------------
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# UTILITIES
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# --------------------------
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@@ -55,33 +45,20 @@ def analyze_text(text):
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"""วิเคราะห์อารมณ์ของข่าวด้วย FinBERT"""
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if not text or not text.strip():
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return 0
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inputs = tokenizer(
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with torch.no_grad():
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outputs = model(**inputs)
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def summarize_text(text):
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"""สรุปข่าวเป็นย่อหน้าเดียว"""
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if not text or not text.strip():
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return ""
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result = summarizer(text, max_length=150, min_length=50, do_sample=False)
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return result[0]["summary_text"]
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def summarize_themes(news_texts):
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"""สรุปธีมข่าวด้วย Zero-shot classification"""
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themes = []
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for text in news_texts:
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if not text.strip():
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continue
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result = theme_classifier(text, candidate_labels)
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themes.append(result["labels"][0])
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return themes
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# --------------------------
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# แปลงชื่อ/ตัวย่อ → (Company Name, Symbol)
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# --------------------------
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def resolve_company_symbol(keyword: str):
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keyword = keyword.strip()
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ticker = None
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@@ -108,7 +85,7 @@ def resolve_company_symbol(keyword: str):
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return name, ticker
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# --------------------------
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# ดึงข่าว 7 วัน
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# --------------------------
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@st.cache_data(ttl=3600)
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def fetch_financial_news(keyword):
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@@ -118,6 +95,8 @@ def fetch_financial_news(keyword):
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query_keyword = f"({company} OR {symbol}) finance stock"
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all_articles = []
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page = 1
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while True:
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url = (
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f"https://newsapi.org/v2/everything?"
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@@ -142,11 +121,44 @@ def fetch_financial_news(keyword):
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"source": a["source"]["name"],
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"url": a["url"]
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})
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if len(articles) < 100:
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break
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page += 1
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return pd.DataFrame(all_articles)
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# --------------------------
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# ดึงราคาหุ้น
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# --------------------------
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@@ -173,145 +185,157 @@ def fetch_stock_price(symbol, start_date, end_date):
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# --------------------------
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def main():
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st.title("📰 News Sentiment Analysis for Young Investor")
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st.markdown("วิเคราะห์แนวโน้มอารมณ์ของข่าวย้อนหลัง 7 วัน พร้อมราคาหุ้น
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# Sidebar
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st.dataframe(news_df[["date", "source", "text", "sentiment", "theme", "url"]], use_container_width=True)
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# ------------------ ปุ่ม 2 ------------------
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if summarize_btn:
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if not keyword2:
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st.warning("กรุณากรอก Stock Symbol")
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else:
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news_df = fetch_financial_news(keyword2)
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if news_df.empty:
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st.warning("ไม่พบบทความข่าว")
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else:
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# กรองตามช่วงวันที่
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news_df = news_df[(news_df["date"].dt.date >= from_date) & (news_df["date"].dt.date <= to_date)]
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news_df = news_df.head(max_news)
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# สรุปข่าว
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st.info("กำลังสรุปข่าว...")
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news_df["summary"] = news_df["text"].apply(summarize_text)
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if __name__ == "__main__":
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nltk.download("stopwords", quiet=True)
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main()
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theme_classifier = load_theme_classifier()
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candidate_labels = ["Stock Movement", "Earnings", "M&A", "Regulation", "Product Launch", "Market Analysis"]
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# --------------------------
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# UTILITIES
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# --------------------------
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"""วิเคราะห์อารมณ์ของข่าวด้วย FinBERT"""
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if not text or not text.strip():
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return 0
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inputs = tokenizer(
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text,
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return_tensors="pt",
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padding=True,
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truncation=True,
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max_length=512
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)
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with torch.no_grad():
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outputs = model(**inputs)
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logits = outputs.logits
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probs = torch.softmax(logits, dim=1).numpy()[0] # FinBERT = [negative, neutral, positive]
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score = (-1 * probs[0]) + (0 * probs[1]) + (1 * probs[2])
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return float(score)
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def resolve_company_symbol(keyword: str):
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keyword = keyword.strip()
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ticker = None
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return name, ticker
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# --------------------------
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# ดึงข่าว 7 วัน (เพิ่ม progress bar)
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# --------------------------
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@st.cache_data(ttl=3600)
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def fetch_financial_news(keyword):
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query_keyword = f"({company} OR {symbol}) finance stock"
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all_articles = []
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page = 1
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progress_bar = st.progress(0)
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while True:
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url = (
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f"https://newsapi.org/v2/everything?"
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"source": a["source"]["name"],
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"url": a["url"]
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})
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progress_bar.progress(min(page * 10, 100)) # อัปเดต progress bar แบบหยาบ ๆ
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if len(articles) < 100:
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break
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page += 1
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progress_bar.progress(100)
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return pd.DataFrame(all_articles)
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# --------------------------
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# วิเคราะห์ Sentiment (เพิ่ม progress bar)
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# --------------------------
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def analyze_news_sentiment(news_df):
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sentiments = []
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progress_bar = st.progress(0)
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total = len(news_df)
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for i, text in enumerate(news_df["text"]):
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sentiments.append(analyze_text(text))
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progress_bar.progress(int((i + 1) / total * 100))
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progress_bar.progress(100)
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return sentiments
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# --------------------------
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# สรุปธีมข่าว (เพิ่ม progress bar)
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# --------------------------
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def summarize_themes(news_texts):
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themes = []
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progress_bar = st.progress(0)
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total = len(news_texts)
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for i, text in enumerate(news_texts):
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if not text.strip():
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themes.append("Unknown")
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else:
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result = theme_classifier(text, candidate_labels)
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themes.append(result["labels"][0])
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progress_bar.progress(int((i + 1) / total * 100))
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progress_bar.progress(100)
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return themes
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# --------------------------
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# ดึงราคาหุ้น
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# --------------------------
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# --------------------------
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def main():
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st.title("📰 News Sentiment Analysis for Young Investor")
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st.markdown("วิเคราะห์แนวโน้มอารมณ์ของข่าวย้อนหลัง 7 วัน พร้อมราคาหุ้น")
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# Sidebar
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keyword = st.text_input("ค้นหา Stock Symbol (เช่น AAPL, TSLA):", "")
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analyze_btn = st.button("วิเคราะห์เลย")
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if not analyze_btn:
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st.info("กรอกคำค้นแล้วกด 'วิเคราะห์เลย'")
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return
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# ดึงข่าว
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st.info(f"กำลังดึงข่าวย้อนหลัง 7 วันสำหรับ '{keyword}'...")
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news_df = fetch_financial_news(keyword)
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if news_df.empty:
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st.warning("ไม่พบบทความข่าว")
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return
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# วิเคราะห์ Sentiment
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st.info("กำลังวิเคราะห์อารมณ์ของข่าว...")
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news_df["sentiment"] = analyze_news_sentiment(news_df)
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# สรุปธีมข่าว
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st.info("กำลังสรุปธีมข่าว...")
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news_df["theme"] = summarize_themes(news_df["text"].tolist())
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news_df["date"] = pd.to_datetime(news_df["date"])
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# Metrics
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avg_sentiment = news_df["sentiment"].mean()
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pos_pct = (news_df["sentiment"] > 0.1).mean() * 100
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neg_pct = (news_df["sentiment"] < -0.1).mean() * 100
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col1, col2, col3 = st.columns(3)
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col1.metric("ค่าเฉลี่ยอารมณ์ข่าว", f"{avg_sentiment:.2f}")
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col2.metric("ข่าวเชิงบวก", f"{pos_pct:.1f}%")
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col3.metric("ข่าวเชิงลบ", f"{neg_pct:.1f}%")
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# ส่วนกราฟ Sentiment & Price
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st.subheader("📈 แนวโน้มอารมณ์ของข่าว & ราคาหุ้น")
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news_df["date_day"] = pd.to_datetime(news_df["date"].dt.date)
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def sentiment_type(score):
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if score > 0.1:
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return "positive"
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if score < -0.1:
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return "negative"
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return "neutral"
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news_df["sentiment_type"] = news_df["sentiment"].apply(sentiment_type)
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daily_avg = news_df.groupby("date_day")["sentiment"].mean().reset_index(name="avg_sentiment")
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daily_counts = news_df.groupby(["date_day", "sentiment_type"]).size().unstack(fill_value=0).reset_index()
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df_sorted = pd.merge(daily_avg, daily_counts, on="date_day").sort_values("date_day")
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if len(df_sorted) < 2:
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st.warning("ข้อมูลไม่พอสร้างแนวโน้ม")
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st.dataframe(news_df)
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return
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# ดึงราคาหุ้น
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_, symbol = resolve_company_symbol(keyword)
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min_date, max_date = df_sorted["date_day"].min(), df_sorted["date_day"].max()
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st.info(f"กำลังดึงราคาหุ้น {symbol} ...")
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stock_df = fetch_stock_price(symbol, min_date, max_date)
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plot_data = pd.merge(df_sorted, stock_df, left_on="date_day", right_on="date", how="left")
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# Correlation
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correlation = plot_data['price'].corr(plot_data['avg_sentiment'])
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+
corr_text = "ไม่มีความสัมพันธ์"
|
| 254 |
+
if correlation > 0.5:
|
| 255 |
+
corr_text = "มีความสัมพันธ์ในทิศทางเดียวกัน"
|
| 256 |
+
elif correlation < -0.5:
|
| 257 |
+
corr_text = "มีความสัมพันธ์ในทิศทางตรงข้าม"
|
| 258 |
+
st.metric("วิเคราะห์ความสัมพันธ์ระหว่างอารมณ์ของข่าวกับราคาหุ้น (Correlation)", corr_text, f"{correlation:.2f}")
|
| 259 |
+
|
| 260 |
+
# Forecast Sentiment
|
| 261 |
+
plot_data["timestamp"] = (plot_data["date_day"] - plot_data["date_day"].min()).dt.days
|
| 262 |
+
train_data = plot_data.dropna(subset=['avg_sentiment'])
|
| 263 |
+
if len(train_data) >= 2:
|
| 264 |
+
model_lr = LinearRegression()
|
| 265 |
+
model_lr.fit(train_data[["timestamp"]], train_data["avg_sentiment"])
|
| 266 |
+
future_days = 7
|
| 267 |
+
future_timestamps = np.arange(
|
| 268 |
+
plot_data["timestamp"].max() + 1,
|
| 269 |
+
plot_data["timestamp"].max() + future_days + 1
|
| 270 |
+
)
|
| 271 |
+
future_dates = [plot_data["date_day"].max() + timedelta(days=i) for i in range(1, future_days + 1)]
|
| 272 |
+
future_preds = model_lr.predict(future_timestamps.reshape(-1, 1))
|
| 273 |
+
|
| 274 |
+
# Plot
|
| 275 |
+
fig = make_subplots(
|
| 276 |
+
rows=2, cols=1,
|
| 277 |
+
specs=[[{"secondary_y": True}], [{}]],
|
| 278 |
+
row_heights=[0.7, 0.3],
|
| 279 |
+
vertical_spacing=0.1,
|
| 280 |
+
shared_xaxes=True
|
| 281 |
+
)
|
| 282 |
+
|
| 283 |
+
# ราคาหุ้น
|
| 284 |
+
fig.add_trace(
|
| 285 |
+
go.Scatter(x=plot_data["date_day"], y=plot_data["price"], name=f"{symbol} Price",
|
| 286 |
+
mode="lines+markers", line=dict(color="orange")),
|
| 287 |
+
row=1, col=1, secondary_y=False
|
| 288 |
+
)
|
| 289 |
+
|
| 290 |
+
# Sentiment จริง
|
| 291 |
+
fig.add_trace(
|
| 292 |
+
go.Scatter(x=plot_data["date_day"], y=plot_data["avg_sentiment"], name="Actual Sentiment",
|
| 293 |
+
mode="lines+markers", line=dict(color="blue")),
|
| 294 |
+
row=1, col=1, secondary_y=True
|
| 295 |
+
)
|
| 296 |
+
|
| 297 |
+
# Sentiment พยากรณ์
|
| 298 |
+
if "future_preds" in locals():
|
| 299 |
+
fig.add_trace(
|
| 300 |
+
go.Scatter(x=future_dates, y=future_preds, name="Predicted Sentiment",
|
| 301 |
+
mode="lines+markers", line=dict(color="#05a0fa", dash="dash")),
|
| 302 |
+
row=1, col=1, secondary_y=True
|
| 303 |
+
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 304 |
|
| 305 |
+
# เส้นเชื่อม Actual -> Predicted
|
| 306 |
+
last_actual_date = plot_data["date_day"].max()
|
| 307 |
+
last_actual_value = plot_data["avg_sentiment"].iloc[-1]
|
| 308 |
+
first_pred_date = future_dates[0]
|
| 309 |
+
first_pred_value = future_preds[0]
|
| 310 |
+
fig.add_trace(
|
| 311 |
+
go.Scatter(x=[last_actual_date, first_pred_date], y=[last_actual_value, first_pred_value],
|
| 312 |
+
mode="lines", line=dict(color="#05a0fa", dash="dot"),
|
| 313 |
+
name="Connector Actual→Predicted"),
|
| 314 |
+
row=1, col=1, secondary_y=True
|
| 315 |
+
)
|
| 316 |
|
| 317 |
+
# จำนวนข่าว
|
| 318 |
+
for col in ["neutral", "negative", "positive"]:
|
| 319 |
+
if col not in plot_data.columns:
|
| 320 |
+
plot_data[col] = 0
|
| 321 |
+
fig.add_trace(go.Bar(x=plot_data["date_day"], y=plot_data["neutral"], name="Neutral",
|
| 322 |
+
marker_color='rgba(128, 128, 128, 0.7)'), row=2, col=1)
|
| 323 |
+
fig.add_trace(go.Bar(x=plot_data["date_day"], y=plot_data["negative"], name="Negative",
|
| 324 |
+
marker_color='rgba(255, 0, 0, 0.7)'), row=2, col=1)
|
| 325 |
+
fig.add_trace(go.Bar(x=plot_data["date_day"], y=plot_data["positive"], name="Positive",
|
| 326 |
+
marker_color='rgba(0, 128, 0, 0.7)'), row=2, col=1)
|
| 327 |
+
|
| 328 |
+
fig.update_layout(title=f"แนวโน้มอารมณ์ของข่าว + ราคาหุ้น ({symbol})",
|
| 329 |
+
barmode="stack", height=650, hovermode="x unified", template="plotly_white")
|
| 330 |
+
st.plotly_chart(fig, use_container_width=True)
|
| 331 |
+
|
| 332 |
+
# แสดงรายการข่าว
|
| 333 |
+
st.subheader("📰 รายการข่าวทั้งหมด")
|
| 334 |
+
st.dataframe(news_df[["date", "source", "text", "sentiment", "theme", "url"]], use_container_width=True)
|
| 335 |
|
| 336 |
+
# --------------------------
|
| 337 |
+
# RUN APP
|
| 338 |
+
# --------------------------
|
| 339 |
if __name__ == "__main__":
|
| 340 |
nltk.download("stopwords", quiet=True)
|
| 341 |
main()
|