1398 search results for "RStudio"

readr 0.1.0

April 9, 2015
By
readr 0.1.0

I’m pleased to announced that readr is now available on CRAN. Readr makes it easy to read many types of tabular data: Delimited files withread_delim(), read_csv(), read_tsv(), and read_csv2(). Fixed width files with read_fwf(), and read_table(). Web log files with read_log(). You can install it by running: install.packages("readr") Compared to the equivalent base functions, readr

Read more »

Forecasting the Argentinian “Blue Dollar”

April 9, 2015
By

If you have visited recently my website, Bluelytics, you will notice there is a new section named "Predicción", which is a forecast of the value of the Blue Dollar in a 12-month horizon. You can find it at http://bluelytics.com.ar/#/forecast You will find that it has a minimun value and a maximun value for each month, and it's included in...

Read more »

A small neuroimage interactive plotter

April 9, 2015
By
A small neuroimage interactive plotter

Manipulate Package The manipulate from RStudio allows you to create simple Tcl/Tk operators for interactive visualization. I will use it for a simple slider to view different slices of an image. fslr package I'm calling the fslr package because I know that if you have it installed, you will likely have FSL and have a

Read more »

New video course: Campaign Response Testing

April 8, 2015
By
New video course: Campaign Response Testing

I am proud to announce a new Win-Vector LLC statistics video course: Campaign Response Testing John Mount, Win-Vector LLC This course works through the very specific statistics problem of trying to estimate the unknown true response rates one or more populations in responding to one or more sales/marketing campaigns or price-points. This is an old … Continue reading...

Read more »

matlabr: a Package to Calling MATLAB from R with system

April 8, 2015
By
matlabr: a Package to Calling MATLAB from R with system

In my research, I primarily use R, but I try to use existing code if available. In neuroimaging and other areas, that means calling MATLAB code. There are some existing solutions for the problem of R to MATLAB: namely the R.matlab package and the RMatlab package (which can call R from MATLAB as well). I

Read more »

Discovering Shiny

April 8, 2015
By
Discovering Shiny

It is not an experiment if you know it is going to work (Jeff Bezos) From time to time, I discover some of my experiments translated into Shiny Apps, like this one. Some days ago, I discovered one of these translations and I contacted the author, who was a guy from Vietnam called Vu Anh. … Continue reading...

Read more »

White Matter Segmentation in R

April 7, 2015
By
White Matter Segmentation in R

Goals and Overall Approach We will use multiple packages and pieces of software for white matter (and gray matter/cerebro spinal fluid (CSF)) segmentation. The overall approach will be, with the required packages in parentheses: N4 Inhomogeneity Bias-Field Correction (extrantsr and ANTsR) Brain extraction using BET and additional tools (extrantsr and fslr) FAST for tissue-class segmentation.

Read more »

Design patterns for action buttons

April 7, 2015
By
Design patterns for action buttons

Action buttons can be tricky to use in Shiny because they work differently than other widgets. Widgets like sliders and select boxes maintain a value that is easy to use in your code. But the value of an action button is arbitrary. What should you do with it? Did you know that you should almost

Read more »

Registration Open for R/Finance 2015!

March 31, 2015
By

You can find registration information and agenda details (as they become available) on the conference website.  Or you can go directly to the registration page.  Note that there's an early-bird registration deadl...

Read more »

R / Finance 2015 Open for Registration

March 31, 2015
By

The annoucement below just went to the R-SIG-Finance list. More information is as usual at the R / Finance page. Registration for R/Finance 2015 is now open! The conference will take place on May 29 and 30, at UIC in Chicago. Building on the success of the previous conferences in 2009-2014, we expect more than 250 attendees from around...

Read more »