2141 search results for "ggplot"

Analyzing Local Data with a Shiny Web App

March 19, 2013
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A great. recent enhancement for the Shiny App is the ability to upload local files. Now, in addition to users being able to interact with data provided on the host e.g. Soccer Tables or via the web, Wikipedia Search Rates they can use apps to view and analyse their own data I have knocked up

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Veterinary Epidemiologic Research: GLM – Evaluating Logistic Regression Models (part 3)

March 19, 2013
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Veterinary Epidemiologic Research: GLM – Evaluating Logistic Regression Models (part 3)

Third part on logistic regression (first here, second here). Two steps in assessing the fit of the model: first is to determine if the model fits using summary measures of goodness of fit or by assessing the predictive ability of the model; second is to deterime if there’s any observations that do not fit the

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Which political science journals will have a data policy?

March 18, 2013
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Which political science journals will have a data policy?

Making available replication materials for the research you do is A Good Thing. It’s also work, and it’s quite easy to never get around to. Certainly I claim no special virtue in this department so I am always happy when there’s an institutional stick to prod my better nature in the right direction. One such institutional

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Veterinary Epidemiologic Research: GLM – Logistic Regression (part 2)

March 17, 2013
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Veterinary Epidemiologic Research: GLM – Logistic Regression (part 2)

Second part on logistic regression (first one here). We used in the previous post a likelihood ratio test to compare a full and null model. The same can be done to compare a full and nested model to test the contribution of any subset of parameters: Interpretation of coefficients Note: Dohoo do not report the

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R, where should I start?

March 17, 2013
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This is a dynamic post which I will continue to update whenever I find something new. Hope you will find the following links useful.Online Courses for Learning the R languageTry R from Code Schoole-Books for Learning the R LanguageR for Beginners ...

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Comparing ESPN’s, CBS’s, and NFL.com’s Fantasy Football Projections using R

March 17, 2013
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Comparing ESPN’s, CBS’s, and NFL.com’s Fantasy Football Projections using R

In the future, we will determine how to select the best possible team by maximizing your team's projected points and minimizing its downside risk.  But in order to do this, we will have to rely on our best guess of how many points each player will score.  We will use 2012 projections from ESPN, CBS, and NFL.com and actual...

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Scholarly metadata in R

March 16, 2013
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Scholarly metadata in R

Scholarly metadata - the meta-information surrounding articles - can be super useful. Although metadata does not contain the full content of articles, it contains a lot of useful information, including title, authors, abstract, URL to the article, etc. One of the largest sources of metadata is provided via the Open Archives Initiative Protocol for Metadata Harvesting or OAI-PMH....

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Scholarly metadata in R

March 16, 2013
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Scholarly metadata in R

Scholarly metadata - the meta-information surrounding articles - can be super useful. Although metadata does not contain the full content of articles, it contains a lot of useful information, including title, authors, abstract, URL to the article, etc. One of the largest sources of metadata is provided via the Open Archives Initiative Protocol for Metadata Harvesting or OAI-PMH....

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Scholarly metadata in R

March 16, 2013
By
Scholarly metadata in R

Scholarly metadata - the meta-information surrounding articles - can be super useful. Although metadata does not contain the full content of articles, it contains a lot of useful information, including title, authors, abstract, URL to the article, etc. One of the largest sources of metadata is provided via the Open Archives Initiative Protocol for Metadata Harvesting or OAI-PMH....

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How do I make my graphs?

March 15, 2013
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How do I make my graphs?

Someone who wishes to remain anonymous writes: I’ve been following your blog a long time and enjoy your posts on visualization/statistical graphics matters. I don’t recall however you ever describing the details of your setup for plotting. I’m a new R user (convert from matplotlib) and would love to know your thoughts on the ideal The post How...

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