1710 search results for "Excel"

Montreal R User Group – Dr. Ramnath Vaidyanathan on his rCharts package

October 27, 2013
By
Montreal R User Group –  Dr. Ramnath Vaidyanathan on his rCharts package

Monday, October 28, 2013. 6:00pm at Notman House 51 Sherbrooke W., Montreal, QC. We are very pleased to welcome back Dr. Ramnath Vaidyanathan for a talk on interactive documents as it relates to his excellent rCharts package. Bringing a laptop to follow along is highly encouraged. I would recommend installing rCharts prior to the workshop. library(devtools) pkgs <- c(‘rCharts’, ‘slidify’, ‘slidifyLibraries’) install_github(pkgs, ‘ramnathv’, ref

Read more »

How to switch from spreadsheets to R for data analysis

October 25, 2013
By

To take a spreadsheet beyond what it's designed for — data presentation, summarization and simple calculations — into the world of complex data analysis can be an alluring prospect. But it can also be dangerous: consider these examples of spreadsheet errors that led to monumental financial losses, mistaken government policies, and even the wrong drugs being given to cancer...

Read more »

Pricing Reinsurance Contracts

October 24, 2013
By
Pricing Reinsurance Contracts

In order to illustrate the next section of the non-life insurance course, consider the following example1, inspired from http://sciencepolicy.colorado.edu/…. This is the so-called “Normalized Hurricane Damages in the United States” dataset, for the period 1900-2005, from Pielke et al. (2008). The dataset is available in xls format, so we have to spend some time to import it, > library(gdata) >...

Read more »

NESSIS 2013: The future of sports statistics is here!

October 24, 2013
By
NESSIS 2013: The future of sports statistics is here!

by Joseph Rickert We have been following sports statistics regularly on the Revolutions Blog with quite a few sports related posts this year. In one post I did back in April about the Latham R package for baseball statistics I speculated on how baseball was poised to move from Moneyball style predictive analytics to real-time descriptive stats by showing...

Read more »

Update for Backtesting Asset Allocation Portfolios post

October 23, 2013
By
Update for Backtesting Asset Allocation Portfolios post

It was over a year since my original post, Backtesting Asset Allocation portfolios. I have expanded the functionality of the Systematic Investor Toolbox both in terms of optimization functions and helper back-test functions during this period. Today, I want to update the Backtesting Asset Allocation portfolios post and showcase new functionality. I will use the

Read more »

Global Migration Flow Table Estimates

October 23, 2013
By
Global Migration Flow Table Estimates

A few months Demographic Research published my paper on estimating global migration flow tables. In the paper I developed a method to estimate international migrant flows, for which there is limited comparable data, to matches changes in migrant stock data, … Continue reading →

Read more »

Review: Kölner R Meeting 18 October 2013

October 22, 2013
By
Review: Kölner R Meeting 18 October 2013

The Cologne R user group met last Friday for two talks on split apply combine in R and XLConnect by Bernd Weiß and Günter Faes respectively, before the usual Schnitzel and Kölsch at the Lux.Split apply combine in R The apply family of functions in R is incredible powerful, yet for newcomers often somewhat mysterious....

Read more »

machine learning [book review, part 2]

October 21, 2013
By
machine learning [book review, part 2]

The chapter (Chap. 3) on Bayesian updating or learning (a most appropriate term) for discrete data is well-done in Machine Learning, a probabilistic perspective if a bit stretched (which is easy with 1000 pages left!). I like the remark (Section 3.5.3) about the log-sum-exp trick. While lengthy, the chapter (Chap. 4) on Gaussian models has

Read more »

How Do You Write Your Model Definitions?

October 20, 2013
By
How Do You Write Your Model Definitions?

I’m often irritated by that when a statistical method is explained, such as linear regression, it is often characterized by how it can be calculated rather than by what model is assumed and fitted. A typical example of this is that linear regression is often described as a method that uses ordinary least squares to calculate the best...

Read more »

boxplotdbl and diaplt Packages 1.0.0 Public Beta are Available

October 20, 2013
By
boxplotdbl and diaplt Packages 1.0.0 Public Beta are Available

These are beta version because the help manuals are not written yet.  Their functions are already matured to the releasse stage.  I will put them to CRAN as soon as … Continue reading →

Read more »

Sponsors

Mango solutions





RStudio homepage

Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training



http://www.eoda.de









ODSC

CRC R books series













Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)