"""stats —— 描述统计、统计推断、bootstrap。

S 级模块。`bootstrap_ci` 建议自己实现一遍（S 档，配完整函数卡片）：
它是赛题里"没有解析解时怎么给区间"的通用答案。
"""

from .bootstrap import bootstrap_ci, bootstrap_statistic
from .descriptive import coefficient_of_variation, describe, zscore
from .inference import (
    anova,
    chi_square_test,
    confidence_interval,
    correlation_matrix,
    fit_distribution,
    goodness_of_fit,
    t_test,
)

__all__ = [
    "describe",
    "zscore",
    "coefficient_of_variation",
    "correlation_matrix",
    "confidence_interval",
    "t_test",
    "anova",
    "chi_square_test",
    "fit_distribution",
    "goodness_of_fit",
    "bootstrap_statistic",
    "bootstrap_ci",
]