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lazypredict【开发与工程】Use Lazy Predict for low-code model benchmarking, supervised classification and regression sweeps, time-series forecasting comparisons, CLI CSV runs, optional tuning, explainability, MLflow, Spark, and dependency troubleshooting.
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Use this skill when a task asks how to install, use, debug, or validate the
lazypredict Python package. Lazy Predict runs many baseline machine-learning
models with little code and returns ranked pandas DataFrames for comparing
model families before deeper modeling work.
Confirm the package is installed in the user's Python environment:
import lazypredict
print(lazypredict.__version__)
For a broader local diagnostic, run the bundled checker:
python scripts/check_lazypredict_env.py --json
Install only the extras needed for the requested workflow. Start with:
pip install lazypredict
Then add optional extras such as boost, timeseries, tune, explain,
viz, spark, or mlflow only when the task needs them. Read
references/install-and-troubleshooting.md
before installing broad extras or GPU/Spark/foundation dependencies.
LazyClassifier and LazyRegressor: sklearn-style classification or
regression sweeps, categorical columns, custom metrics, result DataFrames,
model selection, progress callbacks, persistence, and fitted-pipeline access.LazyForecaster: univariate or exogenous series, seasonal period
detection, lag/rolling features, forecasting metrics, horizon strategies,
ensembles, diagnostics, plotting, and optional statistical/deep/foundation
forecasters.lazypredict CSV CLI, MLflow tracking, Dask/PySpark conversion, Spark MLlib
classes, GPU/Intel optional acceleration checks, and integration failures.max_models, and timeout when the user needs
a fast answer. Running every available estimator can be slow or noisy.ignore_warnings=True as a benchmarking convenience, not as proof that
every model succeeded. Inspect .errors when important models are missing.predictions=True only when downstream work needs per-model predictions;
otherwise the second returned DataFrame is normally empty.use_gpu=True requests supported backends but many
paths fall back to CPU unless CUDA-capable packages and hardware are present.Read references/repo-provenance.md before checking whether this skill is current for a different Lazy Predict checkout. If the package version, public entry points, or major workflow files changed, refresh the skill before relying on detailed API claims.