2574 search results for "Ggplot2"

How much code have you written?

May 3, 2014
By
How much code have you written?

This past week I attended the National Water Quality Monitoring Conference in Cincinnati. Aside from spending my time attending talks, workshops, and meeting like-minded individuals, I spent an unhealthy amount of time in the hotel bar working on this blog post. My past experiences mixing coding and beer have suggested the two don’t mix, but

Read more »

A clear picture of power and significance in A/B tests

May 3, 2014
By
A clear picture of power and significance in A/B tests

A/B tests are one of the simplest reliable experimental designs. Controlled experiments embody the best scientific design for establishing a causal relationship between changes and their influence on user-observable behavior. “Practical guide to controlled experiments on the web: listen to your customers not to the HIPPO” Ron Kohavi, Randal M Henne, and Dan Sommerfield, Proceedings Related posts:

Read more »

Test coverage of the 10 most downloaded R packages

May 2, 2014
By
Test coverage of the 10 most downloaded R packages

Test coverage of the 10 most downloaded R packages 2014-04-30 Source Introduction How do you know that your code is well tested ? The test coverage is the proportion of source code lines that are executed (covered) when running the tests. It is useful to find the parts of your code that are no exercised no matter how...

Read more »

Plotting Microtiter Plate Maps

May 1, 2014
By
Plotting Microtiter Plate Maps

I recently wrote about my workflow for Analyzing Microbial Growth with R. Perhaps the most important part of that process is the plate map, which describes the different experimental variables and where they occur. In the example case, the plate map described which strain was growing and in which environment …

Read more »

How to Code Something ‘New’ in R

May 1, 2014
By
How to Code Something ‘New’ in R

Programming New Things I currently have been programming in R for more than half a decade and can now fondly look back on the days when I went on a spring break with Venables' little blue book (now out of print).  Back then I was entertained and wowed by R’s...

Read more »

Shiny variance inflation factor sandbox

April 30, 2014
By

In multiple regression, strong correlation among covariates increases the uncertainty or variance in estimated regression coefficients. Variance inflation factors (VIFs) are one tool that has been used as an indicator of problematic covariate collinearity. In teaching students about VIFs, it may be useful to have some interactive supplementary material so that they can manipulate factors affecting the uncertainty in...

Read more »

How to do a silent install of R

April 30, 2014
By
How to do a silent install of R

In this post, I’ll introduce how to do a silent install of R. Assume that you are a faculty member at an R course and need to prepare R environments for each students’ PC. In this case, you can install…Read more ›

Read more »

Example of linear regression and regularization in R

April 28, 2014
By

When getting started in machine learning, it's often helpful to see a worked example of a real-world problem from start to finish. But it can be hard to find an example with the "right" level of complexity for a novice. Here's what I look for: uses r...

Read more »

ggplot with a highcharts taste

ggplot with a highcharts taste

At work I use ggplot2 almost for everything. I really like the mid term between high level (highcharts) and low-level (like d3 for example). The deafult theme for ggplot it's good, and really good if you compare with the old looking R base graphics, and there is more: the ggthemes package which have some themes for ggplot objects....

Read more »

Hazardous and Benign Space Objects: Getting the Data

April 28, 2014
By
Hazardous and Benign Space Objects: Getting the Data

The recent story about a skydiver nearly being hit by falling meteor got me thinking about all the pieces of rock floating around in near-Earth space. Despite the fact that the supposed meteor was probably just a chunk of rock mistakenly packed in with a parachute, the fact that something like that could actually happen

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









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)