# Tagged Questions

27 views

### R mvpart - splitting index [on hold]

I need to understand what mvpart is doing. Which index does it use as a splitting criterion (in my case, method=class)? Does it use simultaneous partitioning along ...
66 views

### What regression method to use?

I've got a set of input-output vector pairs, and I want to find a function that approximates the output vectors from the input vectors. Specifically, I want a matrix by which to multiply an input ...
54 views

### Distributed K Nearest Neighbor using RHadoop

I thought Revolution Analytics had a presentation out there about how to use RHadoop to do distributed KNN. Has anyone actually done this before, familiar with any blogs, or other references about how ...
224 views

### How are the standard errors computed for the fitted values from a logistic regression?

When you predict a fitted value from a logistic regression model, how are standard errors computed? I mean for the fitted values, not for the coefficients (which involves Fishers information matrix). ...
86 views

### Robust ANCOVA literature

I am looking for some source of information, some articles about Robust ANCOVA. Can you suggest me something? And do you know any source that directly gives information about how to perform various ...
263 views

### R code for Kutner et al's Applied Linear Statistical Models?

I am self-studying Applied Linear Statistical Models by Michael Kutner, Christopher Nachtsheim, John Neter, William Li. Is there R code for the methods in the book?
155 views

### R regression and large data sets

I would like to start learning about doing computations on large data sets. I have read lots of posts about things like map reduce and Hadoop but nothing that shows examples or even clearly explains ...
95 views

### Is it correct to say the “smooth curve fitted by LOESS”?

I use the package scatter.smooth in R, and I want to have a figure text describing the line in the scatterplot for my report. Is is okay to say "the line is a ...
165 views

### R statistics output interpretation : ebook

I am basically a biologist working in genomic data analysis. I have started learning statistics and now am acquainted with basics of it. I can run several statistics commands on R. I have plenty of ...
299 views

### Introductory statistics and econometrics in R

I don't know whether this post deserves to be here or in Stack Overflow. I am looking for the good book [one that is usually recommended as the text book] for teaching the introductory statistics and ...
529 views

### Smoothing 2D data

The data consist of optical spectra (light intensity against frequency) recorded at varying times. The points were acquired on a regular grid in x (time) , y (frequency). In order to analyse the time ...
149 views

### Free PDF for Bayes

Is there an good book/pdf similar to Elements of Statistical Learning that's available for free, online that deals with Bayesian statistics, ideally with code for ...
188 views

### Where can I find solutions to exercises in “A Handbook of Statistical Analysis Using R”?

I really hope this isn't a repeat post because I have looked around a good bit. I find myself getting stuck on a few questions here and there in HSAUR as I feel the exercises aren't always a logical ...
802 views

### How to validate & diagnose a gamma GLM in R?

I am fitting a generalized linear model in R with the log link and I need to validate and diagnose my model. I have never worked with the GLM in the past. Is there an article or any references I ...
241 views

### Reference on examples with R codes for Bayesian simulation based methods of posterior approximation

I have been trying to learn the Bayesian simulation based methods of posterior approximation. Although the theories are now quite clear but I am seeking for some examples with R codes so that I can ...
163 views

### Estimating credit card default probabilities

Folks, I am working on a credit card defaults and transition probabilities. For example a single credit card account could be in a number of states: up-to-date, 30, 60, 90 days in arrears or in ...
465 views

### Is R viable for production (deployed) code

I have read a number of articles that talk about companies such as Google, Facebook, and many others using R for research. The other scenario I have read about is companies using R to prototype an ...
302 views

### Simple introduction to linear models in R

It was hard for me to understand linear models in R. There are a lot of documents for the case, but many of them are technical manuals rather than teaching the concept. I found this article really ...
191 views

### Trying to run statistical tests in R but struggling as I am new to the language

Good Day, I believe this issue is more of a lack of understand of R (as I have never used it till recently) than anything else. What I am looking for is references, or documents to help me solve my ...
148 views

### Getting started with R

I have access to a database with a lot of credit data about individuals through my job and I'd like to use it to learn some R and eventually, come up with some models that predict credit worthiness ...
89 views

### Articles that describe formulas of how to calculate confidence intervals for the omega-squared effect size?

I'm looking for articles that describe methods of how to calculate CIs for the omega-squared effect size from an one-way ANOVA. The closest I've come is Finch & French (2011) A Comparison of ...
2k views

### The reference book for statistics with R – does it exist and what should it contain?

Background There is a lot of discussion around this, so I thought that I could find my answer from earlier treads on StackExchange and by googling furiously. After using half a day trying to find ...
3k views

### Example reports for mixed-model analysis using lmer in biology, psychology and medicine?

As the general consensus seems to be to use mixed-models via lmer() in R instead of classical ANOVA (for the often cited reasons, like unbalanced designs, crossed ...
5k views

### What book is recommendable to start learning statistics using R at the same time?

Books to Learn Statistics using R What exactly is the book I'm looking for. What I am looking for is a book that teaches you statistics while using R to give you hands-on experience and thus end up ...
1k views

### RFM & customer lifetime value modeling in R

Can anybody tell me how to do recency, frequency & monetary value (RFM) modeling & customer value modeling in R? Also, can somebody refer me some literature on it?
291 views

### Reference for generalized linear mixed models using Laplace approximation

I'm fitting a generalized linear mixed model in R using the Laplace approximation. I'm looking for a reference for the Laplace approximation used for that, or a reference regarding the comparison ...
199 views

### Good resources about reversible-jump MCMC sampler in R

Please help me to find out simple (I mean useful with little knowledge on Bayesian statistics) resources: To learn MCMC and perform general linear or mixed models To learn different sampling ...
180 views

### Tutorial suggestions leading to mixed-effect modelling

I'm looking at developing a mixed effect model for repeated measures of blood pressure using two different techniques. I have been discussing the benefits of mixed models over repeated measures ANOVA ...
3k views

### R's lmer cheat-sheet

There's a lot of discussion going on on this forum about the proper way to specify various hierarchical models using lmer. I thought it would be great to have all the information in one place. A ...
5k views

### Data APIs/feeds available as packages in R

I'm making a list of the various data feeds that are already hooked into R or that are easy to setup. Here's my initial list of packages, and I was wondering what else I'm missing. I'm trying to ...
693 views

### Market mix modelling with R

Can somebody give me references (book/online resource) on using R for Marketing Mix Modelling?
622 views

### R examples for Durbin & Koopman “Time Series Analysis by State Space Methods”

I was wondering if anyone has ported the examples from Durbin & Koopman "Time Series Analysis by State Space Methods" to R? You can find RATS code for the examples online and obviosly SsfPack/Ox ...
152 views

### R resources in non-English languages

Through a project I am now working on (which I won't link to so to not have this an ad question), I came to realize how difficult it is to find R resources, not in English. Thus my question is - what ...