Revisit the Power Analysis Guide

[jwbowers]

Use the Google Doc from Gareth and Winston currently in the Google Drive as a guide for editing power.Rmd.

[jwbowers]

We did a review of extant power analysis sites:

Creator(s)	Link
Rollin Brant	https://www.stat.ubc.ca/~rollin/stats/ssize/n2.html
HHU Dusseldorf	https://www.psychologie.hhu.de/arbeitsgruppen/allgemeine-psychologie-und-arbeitspsychologie/gpower.html
ClinCalc	https://clincalc.com/stats/samplesize.aspx
Symphony Performance Health (SPH) Analytics	https://www.sphanalytics.com/statistical-power-calculator-using-average-values/
Statistics Kingdom	https://www.statskingdom.com/30test_power_all.html
HyLown Consulting	http://powerandsamplesize.com/Calculators/
AI-Therapy Statistics	https://www.ai-therapy.com/psychology-statistics/power-calculator
GigaCalculator	https://www.gigacalculator.com/calculators/power-sample-size-calculator.php
Russ Lenth – Department of Statistics and Actuarial Science – University of Iowa - JAVA Applets	https://homepage.divms.uiowa.edu/~rlenth/Power/index.html
Shiny Contest Submission : ShinyAB - Shiny Apps Calculator of Sample Size for AB test	https://shiny.rstudio.com/gallery/shinyab-sample-size.html
Anova Power	https://shiny.ieis.tue.nl/anova_power/
PowerUp!	https://www.causalevaluation.org/power-analysis.html
PowerUp!	https://powerupr.shinyapps.io/index/
Design Experiments	https://designingexperiments.shinyapps.io/power_given_n_ttest2group/  https://designingexperiments.shinyapps.io/power_ttest2group/
Katherine M Wood	https://katherinemwood.shinyapps.io/lakens_effect_sizes/
Malcolm Barret	https://malcolmbarrett.shinyapps.io/precisely/
Digital Analytics Power Hour	https://analyticshour.io/sample-size-calculator-shiny-test/

[jwbowers]

We decided that it would be pretty costly to implement a power analysis site that has a simulation-based backend --- which we think would be necessary for a full featured such site. So we are tabling the creation of a new power analysis site for now.