The modelStudio package automates the explanatory analysis of machine learning predictive models. It generates advanced interactive model explanations in the form of a serverless HTML site with only one line of code. This tool is model-agnostic, therefore compatible with most of the black-box predictive models and frameworks (e.g. mlr/mlr3, xgboost, caret, h2o, parsnip, tidymodels, scikit-learn, lightgbm, keras/tensorflow).
The main modelStudio() function computes various (instance and model-level) explanations and produces a customisable dashboard, which consists of multiple panels for plots with their short descriptions. It is possible to easily save the dashboard and share it with others. Tools for Explanatory Model Analysis unite with tools for Exploratory Data Analysis to give a broad overview of the model behavior.
explain COVID-19 R & Python examples More resources Interactive EMA
The modelStudio package is a part of the DrWhy.AI universe.
# Install from CRAN:
install.packages("modelStudio")
# Install the development version from GitHub:
devtools::install_github("ModelOriented/modelStudio")library("DALEX")
library("ranger")
library("modelStudio")
# fit a model
model <- ranger(score ~., data = happiness_train)
# create an explainer for the model
explainer <- explain(model,
data = happiness_test,
y = happiness_test$score,
label = "Random Forest")
# make a studio for the model
modelStudio(explainer)Save the output in the form of a HTML file - Demo Dashboard.
R & Python examples more
The modelStudio() function uses DALEX explainers created with DALEX::explain() or DALEXtra::explain_*().
# packages for the explainer objects
install.packages("DALEX")
install.packages("DALEXtra")mlr dashboard
Make a studio for the regression ranger model on the apartments data.
code
# load packages and data
library(mlr)
library(DALEXtra)
library(modelStudio)
data <- DALEX::apartments
# split the data
index <- sample(1:nrow(data), 0.7*nrow(data))
train <- data[index,]
test <- data[-index,]
# fit a model
task <- makeRegrTask(id = "apartments", data = train, target = "m2.price")
learner <- makeLearner("regr.ranger", predict.type = "response")
model <- train(learner, task)
# create an explainer for the model
explainer <- explain_mlr(model,
data = test,
y = test$m2.price,
label = "mlr")
# pick observations
new_observation <- test[1:2,]
rownames(new_observation) <- c("id1", "id2")
# make a studio for the model
modelStudio(explainer, new_observation)xgboost dashboard
Make a studio for the classification xgboost model on the titanic data.
code
# load packages and data
library(xgboost)
library(DALEX)
library(modelStudio)
data <- DALEX::titanic_imputed
# split the data
index <- sample(1:nrow(data), 0.7*nrow(data))
train <- data[index,]
test <- data[-index,]
train_matrix <- model.matrix(survived ~.-1, train)
test_matrix <- model.matrix(survived ~.-1, test)
# fit a model
xgb_matrix <- xgb.DMatrix(train_matrix, label = train$survived)
params <- list(max_depth = 3, objective = "binary:logistic", eval_metric = "auc")
model <- xgb.train(params, xgb_matrix, nrounds = 500)
# create an explainer for the model
explainer <- explain(model,
data = test_matrix,
y = test$survived,
type = "classification",
label = "xgboost")
# pick observations
new_observation <- test_matrix[1:2, , drop=FALSE]
rownames(new_observation) <- c("id1", "id2")
# make a studio for the model
modelStudio(explainer, new_observation)The modelStudio() function uses dalex explainers created with dalex.Explainer().
:: package for the Explainer object
pip install dalex -UUse pickle Python module and reticulate R package to easily make a studio for a model.
# package for pickle load
install.packages("reticulate")scikit-learn dashboard
Make a studio for the regression Pipeline SVR model on the fifa data.
code
First, use dalex in Python:
# load packages and data
import dalex as dx
from sklearn.model_selection import train_test_split
from sklearn.pipeline import Pipeline
from sklearn.preprocessing import StandardScaler
from sklearn.svm import SVR
from numpy import log
data = dx.datasets.load_fifa()
X = data.drop(columns=['overall', 'potential', 'value_eur', 'wage_eur', 'nationality'], axis=1)
y = log(data.value_eur)
# split the data
X_train, X_test, y_train, y_test = train_test_split(X, y)
# fit a pipeline model
model = Pipeline([('scale', StandardScaler()), ('svm', SVR())])
model.fit(X_train, y_train)
# create an explainer for the model
explainer = dx.Explainer(model, data=X_test, y=y_test, label='scikit-learn')
# pack the explainer into a pickle file
explainer.dump(open('explainer_scikitlearn.pickle', 'wb'))Then, use modelStudio in R:
# load the explainer from the pickle file
library(reticulate)
explainer <- py_load_object("explainer_scikitlearn.pickle", pickle = "pickle")
# make a studio for the model
library(modelStudio)
modelStudio(explainer, B = 5)lightgbm dashboard
Make a studio for the classification Pipeline LGBMClassifier model on the titanic data.
code
First, use dalex in Python:
# load packages and data
import dalex as dx
from sklearn.model_selection import train_test_split
from sklearn.pipeline import Pipeline
from sklearn.preprocessing import StandardScaler, OneHotEncoder
from sklearn.impute import SimpleImputer
from sklearn.compose import ColumnTransformer
from lightgbm import LGBMClassifier
data = dx.datasets.load_titanic()
X = data.drop(columns='survived')
y = data.survived
# split the data
X_train, X_test, y_train, y_test = train_test_split(X, y)
# fit a pipeline model
numerical_features = ['age', 'fare', 'sibsp', 'parch']
numerical_transformer = Pipeline(
steps=[
('imputer', SimpleImputer(strategy='median')),
('scaler', StandardScaler())
]
)
categorical_features = ['gender', 'class', 'embarked']
categorical_transformer = Pipeline(
steps=[
('imputer', SimpleImputer(strategy='constant', fill_value='missing')),
('onehot', OneHotEncoder(handle_unknown='ignore'))
]
)
preprocessor = ColumnTransformer(
transformers=[
('num', numerical_transformer, numerical_features),
('cat', categorical_transformer, categorical_features)
]
)
classifier = LGBMClassifier(n_estimators=300)
model = Pipeline(
steps=[
('preprocessor', preprocessor),
('classifier', classifier)
]
)
model.fit(X_train, y_train)
# create an explainer for the model
explainer = dx.Explainer(model, data=X_test, y=y_test, label='lightgbm')
# pack the explainer into a pickle file
explainer.dump(open('explainer_lightgbm.pickle', 'wb')) Then, use modelStudio in R:
# load the explainer from the pickle file
library(reticulate)
explainer <- py_load_object("explainer_lightgbm.pickle", pickle = "pickle")
# make a studio for the model
library(modelStudio)
modelStudio(explainer)Save modelStudio as a HTML file using buttons on the top of the RStudio Viewer
or with r2d3::save_d3_html().
If you use modelStudio, please cite our JOSS article:
@article{baniecki2019modelstudio,
title = {{modelStudio: Interactive Studio with Explanations for ML Predictive Models}},
author = {Hubert Baniecki and Przemyslaw Biecek},
journal = {Journal of Open Source Software},
year = {2019},
volume = {4},
number = {43},
pages = {1798},
url = {https://doi.org/10.21105/joss.01798}
}
For a description and evaluation of the Interactive EMA process, refer to our DAMI article:
@article{baniecki2023grammar,
title = {The grammar of interactive explanatory model analysis},
author = {Hubert Baniecki and Dariusz Parzych and Przemyslaw Biecek},
journal = {Data Mining and Knowledge Discovery},
year = {2023},
pages = {1--37},
url = {https://doi.org/10.1007/s10618-023-00924-w}
}
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Introduction to the plots: Explanatory Model Analysis: Explore, Explain, and Examine Predictive Models
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Vignettes: perks and features, R & Python examples, modelStudio in R Markdown HTML
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Changelog: NEWS
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Conference poster: ML in PL 2019
Work on this package was financially supported by the National Science Centre (Poland) grant 2016/21/B/ST6/02176 and National Centre for Research and Development grant POIR.01.01.01-00-0328/17.
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