The complete Electronic Statistics Textbook can be downloaded for quick access from your local hard drive.
This Electronic Statistics Textbook offers training in the understanding and application of statistics. The material was developed at the StatSoft R&D department based on many years of teaching undergraduate and graduate statistics courses and covers a wide variety of applications, including laboratory research (biomedical, agricultural, etc.), business statistics and forecasting, social science statistics and survey research, data mining, engineering and quality control applications, and many others.
The Electronic Textbook begins with an overview of the relevant elementary (pivotal) concepts and continues with a more in depth exploration of specific areas of statistics, organized by "modules," accessible by buttons, representing classes of analytic techniques. A glossary of statistical terms and a list of references for further study are included.
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Pero el mejor lugar sobre softwares para hacer estadística es la Hoja de John Pezullo de George Town University (Washington,D.C.), pues el ha recopilado más de 600 herramientas y ha colocado en su hoja 380 sitios para hacer los cálculos on-line. Una maravilla de sitio que ya ha recido muchos premios: