399 search results for "shiny"

Encrypt user’s password with md5 for you Shiny-app

February 14, 2014
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In a previous blog, I post a simple authentication method for Shiny-app, and received several comments mainly concerning that I should encrypt user password. I agree, user’s password can be intercepted when it was transferring. To secure users’ personal information, I think we should consider both server and client sides. Your server could be hacked and...

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One More (Yet-another?) Olympic Medal Live-tracking Shiny App

February 12, 2014
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I’m posting this mostly to show how to: use the Google spreadsheet data-munging “hack” from the previous post in a Shiny context include it seamlessly into a web page, and run it locally without a great deal of wrangling The code for the app is in this gist. It is unsurprisingly just like some spiffy

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Who Touched My Shiny-app?

February 11, 2014
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When we created a Shiny-app, deployed it on a server and open it to public, we must have interesting of who visited our app, and if possible, where they from and what they have done. To achieve this, we need a user behavior tracking feature if we are not using the commercial version: Shiny-server pro. I wrote a JavaScript...

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Scraping Pro-Football Data and Interactive Charts using rCharts, ggplot2, and shiny

February 10, 2014
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This post uses pro-football (American) boxscore data from 1966 through 2013 and generates few interactive charts using rCharts, ggplot2 and shiny.  It also provided a first time exposure to the power of dplyr. Data for these charts were scraped fr...

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Data Driven Security Roundup: betaPERT, Shiny, Honeypots, Passwords & Reproducible Research

February 9, 2014
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Jay Jacobs (@jayjacobs)—my co-author of the soon-to-be-released book Data-Driven Security—& I have been hard at work over at the book’s sister-blog cranking out code to help security domain experts delve into the dark art of data science. We’ve covered quite a bit of ground since January 1st, but I’m using this post to focus more

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Using MongoHQ to build a Shiny Hit Counter

February 6, 2014
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In serveral previous posts I have posted shiny applications which temporarily store data on shiny servers such as hit counters or the survey tool which I created,  These do not work in the long term since shiny will restart its servers without war...

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Ryan Peek on Creating Shiny Apps

January 28, 2014
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Yesterday at the Davis R User’s Group1, Ryan Peek gave a talk about using the shiny package to create interactive web apps with R. Here are his slides. Ryan includes a bunch of links to examples and tutorials, as well as his own thermohydrographs app: Thanks to Revolution Analytics for another year of...

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Animated choropleths using animation, ggplot2, rCharts, googleVis and Shiny to visualize violent crime rates in different US States across 5 decades

January 17, 2014
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This post uses animated choropleths to visualize violent crime rates in different US States across 5 decades (1961-2010). Data are retrieved from Quandl.  Animation of rCharts and googleVis based choropleths is done in the shiny server environment...

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Add ‘Calculation In Process’ Indicator for Shiny Application

January 3, 2014
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A Calculation in process busy indicator for shiny application is useful especially for the application that take long time to calculate result. I used to developed an application do model fitting which need more than 10 seconds! Users may lose their patience if the application doesn’t response after several seconds! One solution is add a process bar,...

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Shiny Year 2014

January 1, 2014
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Shiny Year 2014

http://simecek.shinyapps.io/pf2014en/(backup http://glimmer.rstudio.com/simecek/pf2014en/, source on Github)"Pour Felicitér" is a French phrase used by Czech and Slovak to wish a happy new year, but not in French speaking countries. It is dating back to the beginning of 19. century when French was popular in Czech/Austrian city population similar way as English is today.I originally wanted to make it...

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