349 search results for "ANOVA"

R trends in 2015 (based on cranlogs)

January 20, 2016
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It is always fun to look back and reflect on the past year. Inspired by Christoph Safferling's post on top packages from published in 2015, I decided to have my own go at the top R trends of 2015. Contrary to Safferling's post I'll try to also (1) look at packages from previous years that hit the big...

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New Course! A hands-on introduction to statistics with R by A. Conway (Princeton University)

January 14, 2016
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New Course! A hands-on introduction to statistics with R by A. Conway (Princeton University)

The best way to learn is at your own pace. Combining the interactive R learning environment of DataCamp and the expertise of Prof. Conway of Princeton, we offer you an extensive online course on introductory statistics with R.  Start learning now...Whether you are a professional using statistics in your job,...

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Baby Boomers

December 22, 2015
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Baby Boomers

By Chris Campbell As another new baby card is passed around the office, and the latest cute baby pictures are emailed out, a discussion is underway. Could it be true? Something in the water? An elixir of fertility that should … Continue reading →

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Published — Introductory Fisheries Analyses with R

December 6, 2015
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Published — Introductory Fisheries Analyses with R

I am pleased to announce that my Introductory Fisheries Analyses with R (IFAR) book has been published, almost two weeks ahead of schedule. Details about the book (and companion website) are here and it can be purchased from CRC Press (at a ...

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Are some seasons warming more than others?

November 23, 2015
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Are some seasons warming more than others?

I ended the last post with some pretty plots of air temperature change within and between years in the Central England Temperature series. The elephant in the room1 at the end of that post was is the change in the within year (seasonal) effect over time statistically significant? This is the question I’ll try to answer,...

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Climate change and spline interactions

November 21, 2015
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Climate change and spline interactions

In a series of irregular posts1 I’ve looked at how additive models can be used to fit non-linear models to time series. Up to now I’ve looked at models that included a single non-linear trend, as well as a model that included a within-year (or seasonal) part and a trend part. In this trend plus season model it...

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Correlation and Linear Regression

November 14, 2015
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Correlation and Linear Regression

Before going into complex model building, looking at data relation is a sensible step to understand how your different variable interact together. Correlation look at trends shared between two variables, and regression look at causal relation between a predictor (independent variable) and a response (dependent) variable. Correlation As mentioned above correlation look at global movement

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Fast food, fast publication

November 8, 2015
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Fast food, fast publication

(This article was first published on Win-Vector Blog » R, and kindly contributed to R-bloggers) The following article is getting quite a lot of press right now: David Just and Brian Wansink (2015). Fast Food, Soft Drink, and Candy Intake is Unrelated to Body Mass Index for 95% of American Adults. Obesity Science & Practice, forthcoming (upcoming in a...

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BayesFactor version 0.9.12-2 released to CRAN

September 24, 2015
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I've released BayesFactor 0.9.12-2 to CRAN; it should be available on all platforms now. The changes include:Added feature allowing fine-tuning of priors on a per-effect basis: see new argument rscaleEffects of lmBF, anovaBF, and generalTestBFFixed bug...

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How to perform a Logistic Regression in R

September 13, 2015
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How to perform a Logistic Regression in R

Logistic regression is a method for fitting a regression curve, y = f(x), when y is a categorical variable. The typical use of this model is predicting y given a set of predictors x. The predictors can be continuous, categorical or a mix of both. The categorical variable y, in general, can assume different values.

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