2327 search results for "TIME SERIES"

xkcd survey and the power to shape the internet

September 2, 2015
By
xkcd survey and the power to shape the internet

The xkcd survey If you’ve never heard of xkcd, it’s “ webcomic of romance, sarcasm, math, and language” created by Randall Munroe. Also, if you’ve never heard of xkcd, be prepared for losing at least a day’s worth of productivity reading the comics and the excellent what if column where Randall answers hypothetical questions with physics. Randall...

Read more »

How do you know if your model is going to work? Part 1: The problem

September 2, 2015
By
How do you know if your model is going to work? Part 1: The problem

Authors: John Mount (more articles) and Nina Zumel (more articles). “Essentially, all models are wrong, but some are useful.” George Box Here’s a caricature of a data science project: your company or client needs information (usually to make a decision). Your job is to build a model to predict that information. You fit a model, … Continue reading...

Read more »

Logistic Regression in R – Part One

September 1, 2015
By
Logistic Regression in R – Part One

Please note that an earlier version of this post had to be retracted because it contained some content which was generated at work. I have since chosen to rewrite the document in a series of posts. Please recognize that this may take some time. Apologies for any inconvenience.   Logistic regression is used to analyze the

Read more »

R plot: Comparison of Fairbanks, Alaska and Beijing, China air quality

August 28, 2015
By
R plot: Comparison of Fairbanks, Alaska and Beijing, China air quality

Here’s an interesting R plot comparing a specific air pollution metric between Fairbanks, Alaska and Beijing, China. Right off the bat, Beijing obviously has far worse air quality, and more significantly, it is a chronic, daily problem. But it is used for comparison because we already know this is the case. In Fairbanks, while air

Read more »

Spatio-Temporal Kriging in R

August 27, 2015
By
Spatio-Temporal Kriging in R

PrefaceI am writing this post more for reminding to myself some theoretical background and the steps needed to perform spatio-temporal kriging in gstat. This month I had some free time to spend on small projects not specifically related to my primary occupation. I decided to spend some time trying to learn this technique since it may become useful in...

Read more »

Function Argument Lists and missing()

August 21, 2015
By

This entry is part 17 of 17 in the series Using RSometimes it is useful to write a wrapper function for an existing function. In this short example we demonstrate how to grab the list of arguments passed to a …   read more ...

Read more »

Searching Twitter with ArcGIS Pro Using R

August 18, 2015
By
Searching Twitter with ArcGIS Pro Using R

I committed to testing this a long time ago, however, a number of other projects intervened, so I have only just got around to writing up this short tutorial. One of the exciting things from the ESRI Developers Conference this year was the launch of the R-ArcGIS bridge. In simple terms, this enables you to run R...

Read more »

Searching Twitter with ArcGIS Pro Using R

August 18, 2015
By
Searching Twitter with ArcGIS Pro Using R

I committed to testing this a long time ago, however, a number of other projects intervened, so I have only just got around to writing up this short tutorial. One of the exciting things from the ESRI Developers Conference this year was the launch of the R-ArcGIS bridge. In simple terms, this enables you to run R...

Read more »

Two-Way ANOVA with Repeated Measures

August 18, 2015
By
Two-Way ANOVA with Repeated Measures

NOTE: This post only contains information on repeated measures ANOVAs, and not how to conduct a comparable analysis using a linear mixed model. For that, be on the lookout for an upcoming post! When I was studying psychology as an undergraduate, one of my biggest frustrations with R was the lack of quality support for

Read more »

Using Azure as an R datasource, Part 4 – Pulling data from SQL Server to Linux

August 18, 2015
By
Using Azure as an R datasource, Part 4 – Pulling data from SQL Server to Linux

by Gregory Vandenbrouck Software Engineer, Microsoft This post is the fourth in a series that covers pulling data from Microsoft SQL Server or MySQL/MariaDB on Azure to an R client on Windows or Linux. In the previous posts, we covered pulling data from SQL Server to Windows and from MySQL/MariaDB to both Windows and Linux. This time we’ll be...

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

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)