Statistics
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+  <br>  
+  <font face="tahoma" size="2" color="#000099">The '''statistics portal''' is a central place for everything related to statistical analysis in biological research. As a central starting point it might provide links to pages discussing individual statistical topics in detail as well as listing useful software and recommended external web pages. Help it grow by contributing content.</font>  
  
  
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  +  ===Topics===  
* [[representing data numerically]]  * [[representing data numerically]]  
* [[representing data graphically]]  * [[representing data graphically]]  
* [[significance tests]]  * [[significance tests]]  
+  * [[significance levels]]  
* [[guide to Excel for statistics]]  * [[guide to Excel for statistics]]  
+  * [[Logistic function]]  
+  * [[Lognormal distribution]]  
* add a topic  * add a topic  
  +  ===Software===  
  +  * [[guide to statistics software]]  
* [[R Statistics]]  * [[R Statistics]]  
+  * [[wikipedia:SPSSSPSS]], [[wikipedia:SAS SystemSAS]]  
* Microsoft's [[wikipedia:Microsoft ExcelExcel]] and OpenOffice's [[wikipedia:OpenOffice.org CalcCalc]] are of limited use for statistical analysis  * Microsoft's [[wikipedia:Microsoft ExcelExcel]] and OpenOffice's [[wikipedia:OpenOffice.org CalcCalc]] are of limited use for statistical analysis  
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+  ===Recommended Links===  
+  
+  ====Background reading from the Wikipedia====  
+  * [[wikipedia:Biostatisticsbiostatistics]]  
+  * measures of central tendency: [[wikipedia:meanmean]], [[wikipedia:medianmedian]], [[wikipedia:modemode]]  
+  * normal distributions: [[wikipedia:normal distributionnormal distribution]], [[wikipedia:standard deviationstandard deviation]], [[wikipedia:variancevariance]], [[wikipedia:standard error of the meanstandard error of the mean]] from the Wikipedia  
+  * significance tests: [[wikipedia:Statistical significancesignificance]], [[wikipedia:confidence intervalconfidence interval]], [[wikipedia:Student's ttestt test]], [[wikipedia:ANOVAANOVA]], [[wikipedia:Margin_of_errormargin of error]], [http://blogs.salon.com/0001561/stories/2003/12/31/pollsAndMarginOfErrorALittleExplainer.html Polls and margin of error]  
+  * add a link here  
+  
+  ====Forums====  
+  * [http://www.protocolonline.org/forums/index.php?showforum=1 Bioinformatics & biostatistics subforum] at protocolonline.org. This subforum is mostly bioinformatics with only some statistics threads. The forum is very active with over 20k registered members and usually >200 users online.  
+  * add here  
+  
+  ====Tutorials====  
+  * [http://helios.bto.ed.ac.uk/bto/statistics/tress1.html The really easy statistics site] by Jim Deacon, Uni of Edinburgh  great starting point  
+  * [[BMJ Statistics Notes series]]  very accessible article series on statistics in medicine  
+  * Intuitive Biostatistics, chapter 37: [http://www.graphpad.com/www/book/Choose.htm Choosing a statistical test] and chapter 12: [http://www.graphpad.com/www/book/Interpret.htm Interpreting nonsignificant p values] from the site of the GraphPad software  
+  
+  ====Online books====  
+  * [http://davidmlane.com/hyperstat/index.html HyperStat] statistics textbook by David Lane (prof. for psychology & statistics)  
+  * [http://www.tufts.edu/~gdallal/LHSP.HTM The Little Handbook of Statistical Practice] by Gerard E. Dallal (chief of the Biostatistics Unit, Tufts Uni)  
+  * [http://www.statsoft.com/textbook/ Electronic Statistics Textbook] by StatSoft  
+  * [http://udel.edu/~mcdonald/statintro.html Handbook of Biological Statistics]  
+  * [http://www.statcan.gc.ca/edu/powerpouvoir/toctdm/5214718eng.htm Statistics: Power from Data!]  
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  +  ===Quotes===  
Facts are stubborn things, but statistics are more pliable.  Facts are stubborn things, but statistics are more pliable.  
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There are three kinds of lies: lies, damned lies, and statistics.  There are three kinds of lies: lies, damned lies, and statistics.  
:Benjamin Disraeli (1804  1881)  :Benjamin Disraeli (1804  1881)  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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Current revision
 
Topics
Software

Recommended LinksBackground reading from the Wikipedia
Forums
Tutorials
Online books

QuotesFacts are stubborn things, but statistics are more pliable.
