# 351 search results for "Anova"

## R for Quants, Part II (A)

February 16, 2012
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This is the second part in a three part series on teaching R to MFE students at CUNY Baruch. The …Continue reading »

## Beware the Friedman test!

February 14, 2012
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In section 10.4.4 of Serious stats (Baguley, 2012) I discuss the rank transformation and suggest that it often makes sense to rank transform data prior to application of conventional ‘parametric’ least squares procedures such as t tests or one-way ANOVA. There are several advantages to this approach over the usual approach (which involves learning and applying a new test such as Mann-Whitney U,

## Confirming SSR, SSE, and SST using matrix in R

February 1, 2012
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The codes below was done in our regression laboratory class. Here, we run first the data in SPSS, and take the ANOVA output where we can find the computed values of SSR, SSE, and SST.ANOVAb Model Sum of Squares df Mean Square F Sig. 1 Regress...

## R: Nutrient intake data, mixed methods analysis for males

December 29, 2011
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To recap:we've cleaned the data (see earlier posts)we're up to constructing the output data that will be used to estimate the population distribution values for the particular nutrient we are examining (energy)The code below is my implementation of the...

## First impressions of Doing Bayesian Data Analysis

December 22, 2011
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About a month ago I was discussing the approach that I would like to see in introductory Bayesian statistics books. In that post I mentioned a PDF copy of Doing Bayesian Data Analysis by John K. Kruschke and that I … Continue reading →

## Blog Statistics with StatCounter & R

December 19, 2011
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If you're interested in analysing your blog's statistics this can easily be done with a web-service like StatCounter (free, only registration needed, quite extensive service) and with R.After implementing the StatCounter script in the html code of a we...

## Statistics with R – Lots of R Examples

December 8, 2011
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“Statistics with R” is a great R graphics & stats website. It provides lots of R examples, covering many analytics topics. It is also available as a PDF document to download at the website, as well as the R codes. … Continue reading →

## Bayesian modeling using WinBUGS

November 6, 2011
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Yes, yet another Bayesian textbook: Ioannis Ntzoufras’ Bayesian modeling using WinBUGS was published in 2009 and it got an honourable mention at the 2009 PROSE Award. (Nice acronym for a book award! All the mathematics books awarded that year were actually statistics books.) Bayesian modeling using WinBUGS is rather similar to the more recent Bayesian

## Migrating from SPSS/Excel to R, Part 3: Preparing your Data

October 29, 2011
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In this post, I describe how to prepare your data for migrating between SPSS/Excel and R. This is the third …Continue reading »

## Longitudinal analysis: autocorrelation makes a difference

October 25, 2011
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Back to posting after a long weekend and more than enough rugby coverage to last a few years. Anyway, back to linear models, where we usually assume normality, independence and homogeneous variances. In most statistics courses we live in a … Continue reading →