使用期限*版
许可形式单机和网络版
原产地美国
介质下载版
适用平台Windows或Mac
科学软件网专注提供科研软件。截止目前,共代理千余款,软件涵盖各个学科。除了软件,科学软件网还提供视频课程,包含34款软件,66门课程。热门软件有:spss,stata,gams,sas,minitab,matlab,mathematica,lingo,hydrus,gms,pscad,mplus,tableau,eviews,nvivo,gtap,sequncher,simca等等。
User defined: A variable indicates the frequency of each observation within the output sample.
Training and test sets: Data are split into two parts – a training set and a test set. The rows of each set are randomly drawn from the initial dataset. The size of the training set is defined by a number of rows.
Training and test sets (%): Data are split into two parts – a training set and a test set. The rows of each set are randomly drawn from the initial dataset. The size of the training set is defined by a row number percentage from the initial data set.
![提供xlstat解决方案以及软件](//l.b2b168.com/2021/09/30/16/202109301627182574474.jpg)
XLSTAT is a powerful yet flexible Excel data analysis add-on that allows users to analyze, customize and share results within Microsoft Excel.
![提供xlstat解决方案以及软件](//l.b2b168.com/2021/09/30/16/202109301627182399784.jpg)
Random stratified (1): Rows are chosen at random within N sequences of observations of equal length, where N is determined by dividing the number of observations by the requested sample size;
![提供xlstat解决方案以及软件](//l.b2b168.com/2021/09/30/16/202109301627181499414.jpg)
Use of data sampling
Sampling is one of the fundamental data analysis and statistical techniques. Sampling aims at extracting a sample of size n from a dataset.
科学软件网的客户涵盖产品涵盖教育、、交通、通信、金融、保险、电力等行业,并且为诸如北京大学、*大学、中国大学、中科院、农科院、社科院、环科院、国家、交通部、南方电网、国家电网、许继、南瑞等国内大型企事业单位、部委和科研机构长期提供相关产品。我们的品质,值得您信赖。
http://awen20.b2b168.com