This component provides a wrapper to display SHAP plots in Streamlit.

Related tags

Data Visualizationmachine-learninginterpretabilityshapleyshapexplainabilitystreamlitstreamlit-component
Overview

streamlit-shap

This component provides a wrapper to display SHAP plots in Streamlit.

Installation

pip install git+https://github.com/snehankekre/streamlit-shap

Example

import streamlit as st
from streamlit_shap import st_shap
import shap

from sklearn.model_selection import train_test_split
import xgboost

import numpy as np
import pandas as pd


@st.experimental_memo
def load_data():
    return shap.datasets.adult()

@st.experimental_memo
def load_model(X, y):
    X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=7)
    d_train = xgboost.DMatrix(X_train, label=y_train)
    d_test = xgboost.DMatrix(X_test, label=y_test)
    params = {
        "eta": 0.01,
        "objective": "binary:logistic",
        "subsample": 0.5,
        "base_score": np.mean(y_train),
        "eval_metric": "logloss",
        "tree_method": "gpu_hist"
    }
    model = xgboost.train(params, d_train, 10, evals = [(d_test, "test")], verbose_eval=100, early_stopping_rounds=20)
    return model

st.title("SHAP in Streamlit")

# train XGBoost model
X,y = load_data()
X_display,y_display = shap.datasets.adult(display=True)

model = load_model(X, y)

# compute SHAP values
explainer = shap.Explainer(model, X)
shap_values = explainer(X)

st_shap(shap.plots.waterfall(shap_values[0]), height=300)
st_shap(shap.plots.beeswarm(shap_values), height=300)

explainer = shap.TreeExplainer(model)
shap_values = explainer.shap_values(X)

st_shap(shap.force_plot(explainer.expected_value, shap_values[0,:], X_display.iloc[0,:]), height=200, width=1000)
st_shap(shap.force_plot(explainer.expected_value, shap_values[:1000,:], X_display.iloc[:1000,:]), height=400, width=1000)

st_shap

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Comments
  • Fixed plot rendering error

    Fixed plot rendering error

    Instead of using sahp_values in st_shap, we need to use shap_values.values , because shap_values holds the shapley values, the base_values and the data. Visualize() error is thrown if just shap_values is used

    opened by AbhinavDAIICT 1
Releases(v1.0.2)
Owner
Snehan Kekre
Documentation & DevRel @streamlit. Formerly, @Coursera.
Snehan Kekre
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