Fit Fast, Explain Fast

Overview

FastExplain

Fit Fast, Explain Fast

Installing

pip install fast-explain

About FastExplain

FastExplain provides an out-of-the-box tool for analysts to quickly explore data, with flexibility to fine-tune if needed.

  • Automated cleaning and fitting of machine learning models with hyperparameter search
  • Aesthetic display of explanatory methods ready for reporting
  • Connected interface for all data, models and related explanatory methods

Quickstart

Automated Cleaning and Fitting

from FastExplain import model_data
from FastExplain.datasets import load_titanic_data
df = load_titanic_data()
classification = model_data(df, 'Survived', hypertune=True)

Aesthetic Display

from FastExplain.explain import plot_one_way_analysis, plot_ale
plot_one_way_analysis(classification.data.df, "Age", "Survived", filter = "Sex == 1")

One Way

plot_ale(classification.m, classification.data.xs, "Age", filter = "Sex == 1", dep_name = "Survived")

ALE

classification_1 = model_data(df, 'Survived', cont_names=['Age'], cat_names = [])
models = [classification.m, classification_1.m]
data = [classification.data.xs, classification_1.data.xs]
plot_ale(models, data, 'Age', dep_name = "Survived")

multi_ALE

Connected Interface

classification.plot_one_way_analysis("Age", filter = "Sex == 1")
classification.plot_ale("Age", filter = "Sex == 1")
classification.shap_dependence_plot("Age", filter = "Sex == 1")

SHAP

classification.error
# {'auc': {'model': {'train': 0.9934332941166654,
# 'val': 0.8421607378129118,
# 'overall': 0.9665739941840028}},
# 'cross_entropy': {'model': {'train': 0.19279692001978943,
# 'val': 0.4600233891109683,
# 'overall': 0.24648214781700722}}}

Models Supported

  • Random Forest
  • XGBoost
  • Explainable Boosting Machine
  • ANY Model Class with fit and predict attributes

Exploratory Methods Supported:

  • One-way Analysis
  • Two-way Analysis
  • Feature Importance Plots
  • ALE Plots
  • Explainable Boosting Methods
  • SHAP Values
  • Partial Dependence Plots
  • Sensitivity Analysis
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