Nations under God
Nations under God

Insomereligiouscountries,churcheshavedraftedconstitutions,restrictedabortion,andcontrollededucation.Inothers,churchinfluenceonpublicpolicyisfarweaker.Why?NationsunderGodargu

Village China Under Socialism and Reform
Village China Under Socialism and Reform

VillageChinaUnderSocialismandReformoffersacomprehensiveaccountofrurallifeafterthecommunistrevolution,detailingvillagerinvolvementinpoliticalcampaignssincethe1950s,agricultura

Under the Sea-Wind
Under the Sea-Wind

ForthecentennialofthebirthofSilentSpringauthorRachelCarson,aneweditionofhergroundbreakingpaeantotheseaCelebratingthemysteryandbeautyofbirdsandseacreaturesinth

Big Data Sampling Under Chi-square
Big Data Sampling Under Chi-square

基于卡方检验的大数据抽样工具介绍抽样是数据科学中的基本方法之一。它可以降低数据规模并简化计算。本工具包给出一种保持分布不变性的抽样工具,使得即使在小样本数据量下也不会影响这些数据分析模型的准确性。本工具包基于皮尔逊检验的保持分布不变的启发式抽样压缩算法。该算法基于两个评分函数进行抽样,其中一个评分函数基于皮尔逊检验,另一个评分函数基于似然函数。使用方法大数据抽样压缩