2789 search results for "ggplot2"

Test coverage of the 10 most downloaded R packages

May 2, 2014
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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...

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Plotting Microtiter Plate Maps

May 1, 2014
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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 …

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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 for each of the wells used in a...

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 for each of the wells used in a...

Read more »

How to Code Something ‘New’ in R

May 1, 2014
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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...

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Shiny variance inflation factor sandbox

April 30, 2014
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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...

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Shiny variance inflation factor sandbox

April 30, 2014
By

In multiple regression, strong correlations 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 slope terms...

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How to do a silent install of R

April 30, 2014
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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 ›

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Example of linear regression and regularization in R

April 28, 2014
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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...

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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....

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