This year
combinations and permutations calculator
by Foolster41
Useful tool for calculating combinations and permutations.
2011
BuiltWith Web Technology Usage Statistics
by Xavier Lacot & 1 other
An online tool for having some web technologies usage trends
SmartViper - domain worth analyzer, historical statistics. Knowledge Is Power
by kathleen_vincent
Currently we use around 25+ open API sources researching the most popular domains and keywords. We store 402,365,128 records (for 3,511,870 domains) in our database and continue to grow.
Our goal is to help webmasters check their competitors and understand why their ranks are so high.
Besides that, on the basis of some of these conclusions we create useful summary tables for webmasters.
Data Mining, Predictive Analytics, Statistics, StatSoft Electronic Textbook
by kathleen_vincent (via)
This 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, credit scoring, forecasting, social science statistics and survey research, data mining, engineering and quality control applications, and many others.
