5134 search results for "git"

More Polarized

October 9, 2013
By
More Polarized

I have immersed myself in polar coordinates.  Here is another little reconstruction that I did.

Read more »

rCharts goes Polar

October 8, 2013
By
rCharts goes Polar

The new micropolar library from Chris Viau, author of   gives us reusable charts with polar coordinates for d3.js.  In testament to rCharts design, Ramnath Vaidyanathan integrated micropolar with rCharts in less than 30 minutes.  I don’t use polar coordinates much, so I wrote this quick little comparison of Cartesian and...

Read more »

Too crude to be true?

October 8, 2013
By
Too crude to be true?

The key to programming is being lazy; it has actually been called a virtue by some. When I discovered the update() function it blew me away. Within short I had created a monster based upon this tiny function, allowing quick and easy output of regression tables that contain crude and adjusted estimates. In this post I’ll show...

Read more »

Guide to using rOpenSci packages during the US Gov’t shutdown

October 8, 2013
By

Note: This is cross-posted from the rOpenSci blog, which will update with this post when our technical snafu is fixed. With the US government shut down, many of the federal government provided data APIs are down. We write R packages to interact with m...

Read more »

American Indians vs Indian Americans, statewide population using googleVis

October 7, 2013
By

The population of Native Americans in the United States is estimated to be anywhere upto 20 million (http://en.wikipedia.org/wiki/Native_Americans_in_the_United_States). I wanted to find out what the population of Native Americans (originally referred to as American Indians by immigrants) is and compare it to the number of Indians from India (Indian Americans). I wanted to do this comparison by county,...

Read more »

Sensitivity analysis for neural networks

October 7, 2013
By
Sensitivity analysis for neural networks

I’ve made quite a few blog posts about neural networks and some of the diagnostic tools that can be used to ‘demystify’ the information contained in these models. Frankly, I’m kind of sick of writing about neural networks but I wanted to share one last tool I’ve implemented in R. I’m a strong believer that

Read more »

analyze the panel study of income dynamics (psid) with r

October 7, 2013
By

the panel study of income dynamics (psid) is a one-trick pony.  better than anything else out there, this survey allows you to answer the question, "where are they now?"  after tracking the same nationally-representative cohort of americans (...

Read more »

Post 2: Generating fake data

October 6, 2013
By
Post 2: Generating fake data

In order to check that an estimation algorithm is working properly, it is useful to see if the algorithm can recover the true parameter values in one or more simulated "test" data sets. This post explains how to build such … Continue reading →

Read more »

Crime Against Women in India – Addressing 8 Questions Using rCharts, googleVis, and shiny

October 5, 2013
By

Recent crimes against women, specifically the 2012 gang rape in New Delhi of a 23 year old lady, have pushed this issue as a substantially significant one for Indians to deal with. In this post, I try to address 8 different questions regarding crime against women in India. (1). How have numbers in different types of crimes and percentage of different...

Read more »

Simplicity Explained by The Author

October 4, 2013
By
Simplicity Explained by The Author

Source is usually best explained by the source.  Ramnath Vaidyanathan provides an excellent look under the hood in his tutorial on rCharts explaining how he integrates the new d3 library uvCharts. If you want to explore further, here is a list of...

Read more »