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medic_bot.py
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# -*- coding: utf-8 -*-
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"""Medic_bot.ipynb
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Automatically generated by Colab.
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Original file is located at
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https://colab.research.google.com/#fileId=https%3A//huggingface.co/spaces/QueenS5Ella/Royalty/blob/main/Medic_bot.ipynb
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"""
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# IMPORT THE NECESSARY LIBARIES 1
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#Import Python libraries: Numpy and Pandas
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import pandas as pd
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from sklearn.feature_extraction.text import TfidfVectorizer
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from sklearn.metrics.pairwise import cosine_similarity
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import openai
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import faiss
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import numpy as np
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#import libraries &modules for data visualization
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from pandas.plotting import scatter_matrix
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from matplotlib import pyplot
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#import scikit-learn module for algoruthm/model: Linear Regression
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from sklearn.neighbors import KNeighborsRegressor
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#import scikit learn module to split the dataset into train/test sub-datasets
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from sklearn.model_selection import train_test_split
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#Import scikit-learn module for K-fold cross validation - algorithm/model evluation & vallidation
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from sklearn.model_selection import KFold
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from sklearn.model_selection import cross_val_score
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#Import sckit-learn module for classification report
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from sklearn.metrics import classification_report
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from sklearn.preprocessing import LabelEncoder
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from sklearn.preprocessing import OrdinalEncoder
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# IMPORTATION OF NECESSARY LIBRARIES 2
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import os # for handling data
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import re # for text preprocessing
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# For Natural Language Processing tasks
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import nltk
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from sklearn.model_selection import train_test_split
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nltk.download("punkt")
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nltk.download("stopwords")
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# Optional: for vectorization and building of the models
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from sklearn.feature_extraction.text import CountVectorizer, TfidfVectorizer
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#IMPORTATION OF THE DIFFERENT MODELS FOR THE CHATBOT
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from sklearn.linear_model import LogisticRegression
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from sklearn.ensemble import RandomForestRegressor
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import xgboost as xgb
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from sklearn.linear_model import Ridge
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from sklearn.neural_network import MLPRegressor
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import scipy
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print(scipy.__version__)
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import gradio as gr
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# 🔑 Replace with your real OpenAI API key
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client = OpenAI(api_key = "sk-...") # <- Replace this with your actual API key
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# 📄 Load dataset
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d1 = pd.read_csv("ai-medical-chatbot.csv")
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d1.dropna(subset=["Description", "Doctor"], inplace=True)
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vector1 = TfidfVectorizer()
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# Keep the sparse matrix — don't convert to dense
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qvs = vector1.fit_transform(d1["Description"]) # No .toarray()
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d1.head()
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def find_best_match(user_input):
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user_vec = vector1.transform([user_input]) # Still a sparse matrix
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similarities = cosine_similarity(user_vec, qvs)
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best_idx = np.argmax(similarities[0])
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best_score = float(similarities[0][best_idx])
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return d1.iloc[best_idx]["Description"], d1.iloc[best_idx]["Doctor"], best_score
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# 🔍 Vectorize questions
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#vectorizer = TfidfVectorizer()
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#question_vectors = vectorizer.fit_transform(df["Question"]).toarray()
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# 🔎 Find the most similar FAQ match
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#def find_best_match(user_input):
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#user_vec = vectorizer.transform([user_input]).toarray()
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#similarities = cosine_similarity(user_vec, question_vectors)
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#best_idx = np.argmax(similarities[0])
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# best_score = float(similarities[0][best_idx])
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# return df.iloc[best_idx]["Question"], df.iloc[best_idx]["Answer"], best_score
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# 🤖 Query OpenAI if no good FAQ match
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def query_gpt(user_input):
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try:
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response = client.chat.completions.create(
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model="gpt-4", # or use "gpt-3.5-turbo"
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messages=[
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{"role": "system", "content": "You are a pediatric pulmonology expert."},
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{"role": "user", "content": user_input},
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{"role": "assistant", "content": "Hello"}
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]
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)
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return response.choices[0].message["content"]
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except Exception as e:
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return f"⚠️ GPT Error: {str(e)}"
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# 💬 Chatbot response logic
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def chatbot_response(user_input):
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if not user_input.strip():
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return "Please enter a question."
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try:
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matched_q, matched_a, score = find_best_match(user_input)
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if score > 0.75:
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return f"📚 **Answer from FAQ**:\n\n**Q:** {matched_q}\n**A:** {matched_a}"
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else:
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gpt_answer = query_gpt(user_input)
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return f"🤖 **Answer from GPT-4**:\n\n{gpt_answer}"
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except Exception as e:
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return f"❌ Error processing your question: {str(e)}"
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# 🌐 Launch Gradio interface
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gr.Interface(
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fn=chatbot_response,
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inputs=gr.Textbox(label="Ask any pediatric pulmonology related questions"),
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outputs=gr.Textbox(label="Response", lines=10),
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title="Pediatric Pulmonology Medicbot",
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description="Answers common non-critical questions about pediatric pulmonology using a mix of FAQ and GPT-4."
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).launch(share=True)
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# Set your OpenAI key
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#openai.api_key = "sk-..." # <- Replace this with your actual API key
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# Load CSV
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chat = pd.read_csv("PedMedQA_final.csv")
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chat.head()
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chat.describe()
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chat.isnull().sum()
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chat.shape
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chat.info()
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chat["answer"]. unique()
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chat["answer"].value_counts()
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chat["answer"] = chat["answer"].fillna("Reassurance")
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print(chat["answer"])
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chat["age_years"].unique
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chat["age_years"].value_counts
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chat.head()
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chat.dtypes
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chat.dropna(subset=["question", "answer"], inplace=True)
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chat.drop_duplicates(subset=["question"], inplace=True)
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chat.isnull().sum()
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#oe = OrdinalEncoder()
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#chat["index"] = oe.fit_transform(chat[["index"]])
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chat["index"].head(3)
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#chat["meta_info"] = oe.fit_transform(chat[["meta_info"]])
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chat["meta_info"].head(3)
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#chat["question"] = oe.fit_transform(chat[["question"]])
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chat["question"].head(3)
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#chat["answer_idx"] = oe.fit_transform(chat[["answer_idx"]])
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chat["answer_idx"].head(3)
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#chat["answer"] = oe.fit_transform(chat[["answer"]])
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chat["answer"].head(3)
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#chat["options"] = oe.fit_transform(chat[["options"]])
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chat["options"].head(3)
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chat.shape
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chat.columns
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from sklearn.linear_model import LassoCV
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from sklearn.feature_selection import SelectFromModel
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#clf = LassoCV.fit(X_train, Y_trarin)
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#importance = np.abs(clf.coef)
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#print(importance)
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while True:
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user_input = input("You can ask me any pediatric pulmonology related question (or type 'exit'): ")
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if user_input.lower() == "exit":
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break
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response = chatbot_response(user_input)
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print(response)
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#response = chatbot_response(ui)
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#print(response)
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chat.dropna(subset=["question", "answer"], inplace=True)
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from sklearn.feature_extraction.text import TfidfVectorizer
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# Vectorize the questions using TF-IDF
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# ✅ 1. Fit and transform your dataset questions
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vector1 = TfidfVectorizer()
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qvs = vector1.fit_transform(chat["question"]).toarray()
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# ✅ 2. Later, transform user input using the same vectorizer
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user_vec = vector1.transform([user_input]).toarray()
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# 🔌 Connect to OpenAI
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#openai.api_key = "your-openai-api-key" # Replace with your real key
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# 📄 Step 1: Load your dataset
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df.dropna(subset=["Question", "Answer"], inplace=True)
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# 🧠 Step 2: Vectorize dataset questions
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#vectorizer = TfidfVectorizer()
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#question_vectors = vectorizer.fit_transform(df["Question"]).toarray()
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# 🔍 Step 3: Find most similar question
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def find_best_match(user_input):
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user_vec = vector1.transform([user_input]).toarray()
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similarities = cosine_similarity(user_vec, qvs)
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best_idx = np.argmax(similarities[0])
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best_score = similarities[0][answer_idx]
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return df.iloc[best_idx]["question"], chat.iloc[best_idx]["answer"], best_score
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# 🤖 Step 4: Fallback to GPT-4 if no good match
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def query_gpt(user_input):
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response = client.chat.completions.create(
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model="gpt-4",
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messages=[
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{"role": "system", "content": "You are a pediatric pulmonology expert."},
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{"role": "user", "content": user_input}
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]
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)
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try:
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# some risky code
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risky_function()
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except Exception as e:
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print(f"An error occurred: {e}")
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# 💬 Step 5: Define chatbot logic
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def chatbot_response(user_input):
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matched_q, matched_a, score = find_best_match(user_input)
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if score > 0.75:
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return f"📚 Answer from FAQ:\nQ: {matched_q}\nA: {matched_a}"
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else:
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return f"🤖 Answer from GPT-4:\n{query_gpt(user_input)}"
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# 🌐 Step 6: Launch Gradio interface
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gr.Interface(
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fn=chatbot_response,
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inputs=gr.Textbox(label="Ask any pediatric pulmonology related question"),
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outputs=gr.Textbox(label="Response"),
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title="Royalty Medic_bot",
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description="Get non-crtical answers to common pediatric respiratory health questions."
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).launch(share=True)
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def find_best_match(user_input):
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input_vec = vectorizer.transform([user_input]).toarray()
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sims = cosine_similarity(input_vec, question_vectors)
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idx = np.argmax(sims)
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score = sims[0][answer_idx]
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return chat.iloc[answer_idx]["Question"], chat.iloc[answer_idx]["Answer"], score
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while True:
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user_input = input("🧒 Ask a pediatric pulmonology question (or type 'exit'): ")
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if user_input.lower() == "exit":
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print("👋 Goodbye!")
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break
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print(chatbot_response(user_input))
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def chatbot_gradio_interface(user_input):
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return chatbot_response(user_input)
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gr.Interface(fn=chatbot_gradio_interface,
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inputs="text",
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outputs="text",
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title="Pediatric Pulmonology Medicbot",
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description="Ask any question related to pediatric lung health.").launch(share=True)
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# Build FAISS index for similarity search
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index = faiss.IndexFlatL2(question_vectors.shape[1])
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index.add(np.array(question_vectors))
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# Function to find the closest question
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def find_most_similar_question(user_question, top_k=1):
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user_vec = vectorizer.transform([user_question]).toarray()
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D, I = index.search(user_vec, top_k)
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return df.iloc[I[0][0]]["Question"], df.iloc[I[0][0]]["Answer"]
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# Function to query a language model
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def ask_openai(question, model="gpt-4"):
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try:
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response = client.chat.completions.create(
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model=model,
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messages=[
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{"role": "system", "content": "You are a pediatric pulmonology expert."},
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{"role": "user", "content": question},
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],
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temperature=0.3,
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)
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return response.choices[0].message["content"]
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except Exception as e:
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print(f"Error with {model}: {e}")
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return None
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# Main chatbot function
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def pediatric_pulmonology_chatbot(user_input):
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matched_question, matched_answer = find_most_similar_question(user_input)
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similarity = cosine_similarity(
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vectorizer.transform([user_input]), vectorizer.transform([matched_question])
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)[0][0]
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if similarity > 0.7:
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return f"(From Knowledge Base)\nQ: {matched_question}\nA: {matched_answer}"
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else:
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# Try GPT-4 first
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reply = ask_openai(user_input, model="gpt-4")
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if reply:
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return f"(From GPT-4)\n{reply}"
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else:
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# Fallback to GPT-3.5
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reply = ask_openai(user_input, model="gpt-3.5-turbo")
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if reply:
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return f"(From GPT-3.5)\n{reply}"
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else:
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return "Sorry, I couldn't find an answer to that."
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# 🔁 Example interaction
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while True:
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user_input = input("\n👶 Ask a pediatric pulmonology question (or type 'exit'): ")
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if user_input.lower() == "exit":
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break
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print(pediatric_pulmonology_chatbot(user_input))
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