# Statistics

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The statistics portal might become 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. + | width="200px" | -
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+ 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. - -
+ |width="200px" class="green3" | - Topics + ===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]] + * [[Log-normal distribution]] * add a topic * add a topic - + ===Software=== - Software + * [[guide to statistics software]] * [[guide to statistics software]] * [[R Statistics]] * [[R Statistics]] Line 35: Line 30: * Microsoft's [[wikipedia:Microsoft Excel|Excel]] and OpenOffice's [[wikipedia:OpenOffice.org Calc|Calc]] are of limited use for statistical analysis * Microsoft's [[wikipedia:Microsoft Excel|Excel]] and OpenOffice's [[wikipedia:OpenOffice.org Calc|Calc]] are of limited use for statistical analysis * add here * add here + + |width="560px" class="green2" | + ===Recommended Links=== + + ====Background reading from the Wikipedia==== + * [[wikipedia:Biostatistics|biostatistics]] + * measures of central tendency: [[wikipedia:mean|mean]], [[wikipedia:median|median]], [[wikipedia:mode|mode]] + * normal distributions: [[wikipedia:normal distribution|normal distribution]], [[wikipedia:standard deviation|standard deviation]], [[wikipedia:variance|variance]], [[wikipedia:standard error of the mean|standard error of the mean]] from the Wikipedia + * significance tests: [[wikipedia:Statistical significance|significance]], [[wikipedia:confidence interval|confidence interval]], [[wikipedia:Student's t-test|t test]], [[wikipedia:ANOVA|ANOVA]], [[wikipedia:Margin_of_error|margin 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.protocol-online.org/forums/index.php?showforum=1 Bioinformatics & biostatistics subforum] at protocol-online.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/power-pouvoir/toc-tdm/5214718-eng.htm Statistics: Power from Data!]

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+ | colspan=2 width="700px" class="green3" | - Quotes + ===Quotes=== Facts are stubborn things, but statistics are more pliable. Facts are stubborn things, but statistics are more pliable. Line 60: Line 80: 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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- Recommended Links
- - Background reading from the Wikipedia: - * [[wikipedia:Biostatistics|biostatistics]] - * measures of central tendency: [[wikipedia:mean|mean]], [[wikipedia:median|median]], [[wikipedia:mode|mode]] - * normal distributions: [[wikipedia:normal distribution|normal distribution]], [[wikipedia:standard deviation|standard deviation]], [[wikipedia:variance|variance]], [[wikipedia:standard error of the mean|standard error of the mean]] from the Wikipedia - * significance tests: [[wikipedia:Statistical significance|significance]], [[wikipedia:confidence interval|confidence interval]], [[wikipedia:Student's t-test|t test]], [[wikipedia:ANOVA|ANOVA]] from the - * add a link here - - Forums: - * [http://www.protocol-online.org/forums/index.php?showforum=1 Bioinformatics & biostatistics subforum] at protocol-online.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 - * [http://www.tufts.edu/~gdallal/bmj.htm Statistical Notes Series] by BMJ, listed on Jerry Dallal's page - 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://www.statsoft.com/textbook/stathome.html Electronic Statistics Textbook] by StatSoft - * [http://www.visualstatistics.net/Visual%20Statistics%20Multimedia/Outline%20of%20Visual%20Statistics.htm Visual Statistics Book] by Cruise Scientific - * [http://davidmlane.com/hyperstat/index.html HyperStat] statistics textbook by David Lane (prof. for psychology & statistics) - -
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## Current revision

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.

### Recommended Links

#### Forums

• Bioinformatics & biostatistics subforum at protocol-online.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

### Quotes

Facts are stubborn things, but statistics are more pliable.

Mark Twain (1835 - 1910)

Statistics: The only science that enables different experts using the same figures to draw different conclusions.

Evan Esar (1899 - 1995)

I gather, young man, that you wish to be a Member of Parliament. The first lesson that you must learn is, when I call for statistics about the rate of infant mortality, what I want is proof that fewer babies died when I was Prime Minister than when anyone else was Prime Minister. That is a political statistic.

Sir Winston Churchill (1874 - 1965)

Smoking is one of the leading causes of statistics.

Fletcher Knebel

There are three kinds of lies: lies, damned lies, and statistics.

Benjamin Disraeli (1804 - 1881)