Blog Archives

RStudio: Pushing to Github with ssh-authentication

May 12, 2014
By
RStudio: Pushing to Github with ssh-authentication

If RStudio prompts you for a username and password every time you try to push your project to Github, open the shell (Git menu: More/Shel...) and do the following:1) Set username and email (if you did not do that before)git config --global user.name "y...

Read more »

Shiny Year 2014

January 1, 2014
By
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...

Read more »

Get a path to your Dropbox folder

August 8, 2012
By

I am currently designing my RStudio - Dropbox - Mardown/Knitter/Wordpress - Github workflow. One problem is that working on multiple machines with different version of Windows means I somehow need to tell R where my Dropbox folder is located.I used to ...

Read more »

Mining Facebook Data: Most "Liked" Status and Friendship Network

January 18, 2012
By
Mining Facebook Data: Most "Liked" Status and Friendship Network

Professional R Enthusiast published a quick manual how to use Facebook Graph API. I particularly like a trick to obtain an access-token using Graph API Explorer.Now, you can easily employ R to get your most "Liked" Facebook status ever. For m...

Read more »

Toying with Google Apps Script

January 11, 2012
By
Toying with Google Apps Script

Google offers an access to its services with Apps Scripts (JavaScript). That gives you a possibility to connect your spreadsheet to a fascinating variety of tools like geocoder, stock info, language translator, or email.My java-scri...

Read more »

UseR! 2011 slides are now available

December 7, 2011
By

I have just realized that UseR! 2011 presentation slides are now available from the conference web site.Unfortunately, no big surprise this year. Or maybe this is good news as it means that I have all the important stuff in my RSS Reader. And by the way, this blog is now listed on www.r-bloggers.com.To be fair there was...

Read more »

Prague Half Marathon Ranking: 2% or 25% missing?

November 23, 2011
By
Prague Half Marathon Ranking: 2% or 25% missing?

I am a regular participant of Prague International Half Marathon. In a mass event like this the horde of runners needs a long time to reach the starting line. To make the times mutually comparable the “start time” is measured and afterwards subtracted from the “finish time”. Also the crowd is organized to corridors in such...

Read more »

How to display R code on a web page

October 26, 2011
By

Starting to write a blog I need a way how to publish my R codes. One possibility would be to just add some formatting with Pretty R. Nice, but I miss a repository with all codes ever submitted and possibility to make corrections.The final solution was ...

Read more »

Email Netiquette

October 25, 2011
By
Email Netiquette

A short piece of web-scrapping I sent as a reminder to my colleague. If you run it the result should be something like... Datatata!

Read more »