# 1013 search results for "Shiny"

## Revisiting Cronbach 1951 via Simulation with Shiny

January 9, 2013
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At the time of the creation of this blog, Cronbach’s 1951 piece on coefficient alpha has 18,132 citations according to google scholar.  The main use of coefficient alpha is to assess internal consistency reliability of a test or survey.   Although it may have been forgotten, the proof Cronbach demonstrated established that coefficient alpha is the mean of all split...

## Revisiting Cronbach 1951 via Simulation with Shiny

January 9, 2013
By

At the time of the creation of this blog, Cronbach’s 1951 piece on coefficient alpha has 18,132 citations according to google scholar.  The main use of coefficient alpha is to assess internal consistency reliability of a test or survey.   Although it may have been forgotten, the proof Cronbach demonstrated established that coefficient alpha is the mean of all split...

## Demonstrating Confidence Intervals with Shiny

January 6, 2013
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For the introductory statistic student confidence intervals can seem a daunting concept to grasp.  Quite simply put it is an interval that we have a certain measure of confidence that the population parameter falls into.  The 95% confidence is the most common value chosen in my academic circle.  Nevertheless, many others may be viable as well as long as...

## Demonstrating Confidence Intervals with Shiny

January 6, 2013
By

For the introductory statistic student confidence intervals can seem a daunting concept to grasp.  Quite simply put it is an interval that we have a certain measure of confidence that the population parameter falls into.  The 95% confidence is the most common value chosen in my academic circle.  Nevertheless, many others may be viable as well as long as...

## Misusage of the new shiny package: A nerdy drink tracker for your next party

December 30, 2012
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Currently a lot of people are talking about the new shiny package. So I got curious and built an own, more or less useful app: A drink trackerThis app can be used to track how much someone drank and therefore it is very useful for every party, especial...

## Shiny/R Conversion of Another One of My Favorite Mike Bostock d3 Examples

December 20, 2012
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Mike Bostock has revolutionized visualization with his d3 and his seemingly infinite examples.  In another adaptation of his amazing work, I will adapt one of my favorite examples to supplement the interactive scatterplot with data supplied by R t...

## Shiny SVG no d3–New and Improved

December 20, 2012
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The fine author Joe Cheng of RStudio Shiny suggested in this Google Groups message to use htmlOutput rather than the ugly hack in my last post R Shiny svg with no d3.  As I should have known, it works great and eliminates all the useless javascrip...

## R Shiny svg with no d3

December 18, 2012
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Paul Murrell’s Technical Report reminded me that svg in the browser does not require d3.  With his package gridSVG, we can do all sorts of wonderful things without leaving R.  I think I prefer the power of d3.js, but here is an example (doe...

## NHS Winter Situation Reports: Shiny Viewer v2

December 18, 2012
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Having got my NHS Winter sitrep data scraper into shape (I think!), and dabbled with a quick Shiny demo using the R/Shiny library, I thought I’d tidy it up a little over the weekend and long the way learn a few new presentation tricks. To quickly recap the data availability, the NHS publish a weekly

## From d3 to pdf (hopefully knitr) with R Shiny

December 17, 2012
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Although I think I like the d3, R, and Shiny team the best, I could definitely envision a big need for multi-page pdf reports created with R, knitr, and latex delivered to the browser with Shiny.  Shiny helpfully provides pre-built functionality t...