Articles by Daniel

Tagged NA values and labelled data #rstats

September 27, 2016 | Daniel

sjmisc-package: Working with labelled data A major update of my sjmisc-package was just released an CRAN. A major change (see changelog for all changes )is the support of the latest release from the haven-package, a package to import and export SPSS, SAS or Stata files. The sjmisc-package mainly addresses three ... [Read more...]

Effect-Size Calculation for Meta-Analysis in R #rstats

September 8, 2016 | Daniel

When conducting meta-analysis, you most likely have to calculate or convert effects sizes into an effect size with common measure. There are various tools to do this – one easy to use tool is the Practical Meta-Analysis Effect Size Calculator from David B. Wilson. This online-tool is now implemented as an ... [Read more...]

Pipe-friendly bootstrapping with list-variables in #rstats

August 1, 2016 | Daniel

A few days ago, my package sjstats was updated on CRAN. Most functions of this package are convenient functions for common statistical computations, especially for (mixed) regression models. This latest update introduces some pipe-friendly bootstrapping-methods, namely bootstrap(), boot_ci(), boot_se() and boot_p(). In this post, I just wanted ... [Read more...]

Gender Effect in Conference Talks

December 21, 2015 | Daniel

I was searching in the arXiv repository for an interesting paper to read over the weekend, when I found this: "Studying Gender in Conference Talks -- data from the 223rd meeting of the American Astronomical Society". The title and figures caught my attention more than the subject of the conference, ... [Read more...]

Data, data, data

December 13, 2015 | Daniel

Having presented preliminary findings from a national sample of therapeutic communities in Brazil, I thought the Babbage's words fits like a glove for those criticizing quantitative approaches for policy evaluations: the "Errors using inadequate data are much less than those using no data at all” (Charles Babbage).
[Read more...]

Venezuelan Parliamentary Election: What do the Polls Say?

December 5, 2015 | Daniel

There is not a huge population of opinion polls covering this parliamentary election in Venezuela, but all I've can be used to gauge the public opinion by the local polling houses. This posting begs an obvious question: how has the mood in Venezuela varied over time with respect to voting ...
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Venezuela’s 2015 Parliamentary Elections

December 3, 2015 | Daniel

Next Sunday Venezuelans are heading to the polls once again with international concerns about the clearness of the balloting. To get an idea about the political climate over there, I've collected some polls available on the internet. The surprising thing from those surveys is a tremendous variability from pollster to ...
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Retrieving Data from Google Books with `ngramr`

November 14, 2015 | Daniel

Karl Marx is the most famous founding fathers of modern sociology with a popularity peak in 1975-6, but declining ever since. Introduction Google has a tool for tracking the frequency of words or phrases across its vast collection of scanned texts, the Google Books. The Google Ngram Viewer reports data ...
[Read more...]

sjmisc – package for working with (labelled) data #rstats

May 22, 2015 | Daniel

The sjmisc-package My last posting was about reading and writing data between R and other statistical packages like SPSS, Stata or SAS. After that, I decided to bundle all functions that are not directly related to plotting or printing tables, into a new package called sjmisc. Basically, this package covers ...
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CRAN download statistics of any packages #rstats

March 7, 2015 | Daniel

Hadley Wickham announced at Twitter that RStudio now provides CRAN package download logs. I was wondering about the download numbers of my package and wrote some code to extract that information from the logs… The first code snippet is taken from the log website itself: Then I downloaded all files ...
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Beautiful tables for linear model summaries #rstats

March 6, 2015 | Daniel

Beautiful HTML tables of linear models In this blog post I’d like to show some (old and) new features of the sjt.lm function from my sjPlot-package. These functions are currently only implemented in the development snapshot on GitHub. A package update is planned to be submitted soon to ... [Read more...]
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