Tagged Questions

3
votes
0answers
37 views

Is there a better reference for r formulae than ?formula? [migrated]

There are many redundant, and sometimes conflicting, ways of specifying formulae in R. Is there a comprehensive yet concise reference for mapping a conceptual models to R syntax than ...
2
votes
2answers
63 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 ...
1
vote
1answer
164 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 ...
7
votes
5answers
387 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 ...
1
vote
1answer
122 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 ...
2
votes
0answers
128 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 ...
3
votes
1answer
355 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 ...
6
votes
1answer
190 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 ...
3
votes
2answers
129 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 ...
13
votes
3answers
337 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 ...
4
votes
3answers
250 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 ...
0
votes
1answer
183 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 ...
1
vote
2answers
140 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 ...
0
votes
0answers
67 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 ...
15
votes
4answers
1k 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 ...
10
votes
4answers
2k 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 ...
17
votes
4answers
3k 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 ...
4
votes
1answer
762 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?
3
votes
1answer
239 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 ...
1
vote
0answers
185 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 ...
0
votes
1answer
169 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 ...
29
votes
1answer
2k 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 ...
1
vote
0answers
455 views

Market mix modelling with R

Can somebody give me references (book/online resource) on using R for Marketing Mix Modelling?
3
votes
1answer
546 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 ...
5
votes
6answers
143 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 ...
4
votes
5answers
416 views

Where can I find useful R tutorials with various implementations?

I'm using R and the manuals on the R site are really informative. However, I'd like to see some more examples and implementations with R which can help me develop my knowledge faster. Any suggestions? ...