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Mod3Team12-v2
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import pickle
import pandas as pd
import shap
from shap.plots._force_matplotlib import draw_additive_plot
import gradio as gr
import numpy as np
import matplotlib.pyplot as plt

# load the model from disk
loaded_model = pickle.load(open("filtered_xgb_model.pkl", 'rb'))

# Setup SHAP
explainer = shap.Explainer(loaded_model) # PLEASE DO NOT CHANGE THIS.

# Create the main function for server
def main_func(GM3, WorkEnv3, WellBeing2, GM2, JobSecurity, WellBeing1):
    new_row = pd.DataFrame.from_dict({
        'GM3': GM3,
        'WorkEnv3': WorkEnv3,
        'WellBeing2': WellBeing2,
        'GM2': GM2,
        'JobSecurity': JobSecurity,
        'WellBeing1': WellBeing1
    }, orient='index').transpose()
    
    prob = loaded_model.predict_proba(new_row)
    
    shap_values = explainer(new_row)
    # plot = shap.force_plot(shap_values[0], matplotlib=True, figsize=(30,30), show=False)
    # plot = shap.plots.waterfall(shap_values[0], max_display=6, show=False)
    plot = shap.plots.bar(shap_values[0], max_display=6, order=shap.Explanation.abs, show_data='auto', show=False)

    plt.tight_layout()
    local_plot = plt.gcf()
    plt.rcParams['figure.figsize'] = 6,4
    plt.close()
    
    return {"Leave": float(prob[0][0]), "Stay": 1-float(prob[0][0])}, local_plot

# Create the UI
title = "**Employee Turnover Predictor & Interpreter** 🪐"
description1 = """
This app predicts whether an employee is likely to stay or leave based on selected workplace factors. 
It also provides a SHAP visualization to show how each factor influences the prediction.
"""

description2 = """
To use the app, click on one of the examples, or adjust the values of the six employee satisfaction factors, and click on Analyze. ✨ 
""" 

with gr.Blocks(title=title) as demo:
    gr.Markdown(f"## {title}")
    # gr.Markdown("""![marketing](types-of-employee-turnover.jpg)""")
    gr.Markdown(description1)
    gr.Markdown("""---""")
    gr.Markdown(description2)
    gr.Markdown("""---""")
    with gr.Row():        
        with gr.Column():
            GM3 = gr.Slider(label="GM3", minimum=1, maximum=5, value=4, step=0.1)
            WorkEnv3 = gr.Slider(label="Work Environment 3", minimum=1, maximum=5, value=4, step=0.1)
            WellBeing2 = gr.Slider(label="Well-Being 2", minimum=1, maximum=5, value=4, step=0.1)
            GM2 = gr.Slider(label="GM2", minimum=1, maximum=5, value=4, step=0.1)
            JobSecurity = gr.Slider(label="Job Security", minimum=1, maximum=5, value=4, step=0.1)
            WellBeing1 = gr.Slider(label="Well-Being 1", minimum=1, maximum=5, value=4, step=0.1)
            submit_btn = gr.Button("Analyze")
        
        with gr.Column(visible=True, scale=1, min_width=600) as output_col:
            label = gr.Label(label="Predicted Intent")
            local_plot = gr.Plot(label='SHAP Analysis')

            submit_btn.click(
                main_func,
                [GM3, WorkEnv3, WellBeing2, GM2, JobSecurity, WellBeing1],
                [label, local_plot], api_name="IntentToStay_Predictor"
            )
    
    gr.Markdown("### Click on any of the examples below to see how it works:")
    gr.Examples([[4,4,4,4,5,5], [5,4,5,4,4,4]], 
                [GM3, WorkEnv3, WellBeing2, GM2, JobSecurity, WellBeing1], 
                [label, local_plot], main_func, cache_examples=True)

demo.launch()