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    • R 'intsvy'
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  • Resume
  • Consulting
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  • R 'intsvy'
  • Contact

R 'intsvy'

The R package ‘intsvy‘ provides analysis and visualisation tools for international assessment data (eg. PISA, TIMSS, PIRLS). Data analysis functions take into account the complex sample design (with replicate weights) and rotated test forms (with plausible achievement values) in the calculation of point estimates and standard errors of means, standard deviations, regression coefficients, correlation coefficients, and frequency tables. Visualisation tools present data aggregates in standardised graphical form.


Install development version:


library("devtools")

install_github("eldafani/intsvy")

library("intsvy")

Data analysis examples

PISA 2022 (pdf)Download
PIRLS 2021 (pdf)Download
TIMSS 2019 (pdf)Download
SEA-PLM 2019 (pdf)Download

Articles

Video tutorials

Video tutorials

  •  JSS article
  • IEA newsletter
  • R-bloggers (post 1, post 2)
  • OECD presentation
     

Video tutorials

Video tutorials

Video tutorials

  •  Video 1: Installing R ‘intsvy’
  • Video 2: Directory paths and operating systems
  • Video 3: Printing data labels
  • Video 4: Importing data
  • Video 5: Calculating average student performance
  • Video 6: Frequency tables
  • Video 7: Proficiency levels
  • Video 8: Regression analysis


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