Calculating standard deviations for survey subgroups in R

If you work with survey data in R, you would already know how useful the package survey is. Among its many other uses, the survey package can compute summary statistics by subgroups. For example, if you have survey of individuals from several countries with an item on the respondents’ income, you can calculate the average income in each subgroup with the svyby() function. However, like many other functions in the package, svyby() returns standard errors—but not standard deviations—of the mean values.

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EU press releases differ from their reports on Turkey

The European Commission publishes annual reports on the progress of EU candidate countries, accompanied by short press releases. I find noticeable differences between these reports and releases on Turkey; while the sentiments in the reports have been fairly stable over the years, the press releases often remarkably diverge from the reports. The Commission’s latest report on Turkey hit the headlines as the worst EU scorecard so far. To see if there is evidence for this claim, I analysed the sentiments in the EU reports on Turkey since 2005—the year the accession negotiations started.

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Latest publications

  • Christina Demski, Wouter Poortinga, Lorraine Whitmarsh, Gisela Böhm, Stephen Fisher, Linda Steg, Resul Umit, Pekka Jokinen, Pasi Pohjolainen (2018) National context is a key determinant of energy security concerns across Europe. Nature Energy, 3, 882–888. Abstract DOI
  • Katrin Auel, Resul Umit (2018) Explaining MPs’ communication to their constituents: Evidence from the UK House of Commons. British Journal of Politics and International Relations, 20(3), 731–752. Abstract DOI  pdf

Unpublished research

  • Resul Umit (2019) Unfulfilled Winning Expectations Decrease Voter Satisfaction with Democracy. Abstract  pdf
  • Resul Umit, Wouter Poortinga, Pekka Jokinen, Pasi Pohjolainen (2018) The role of income in energy efficiency and curtailment behaviours: Findings from the European Social Survey. Abstract  pdf