Publications by smarterpoland
The PISA2009lite package is released
This post introduces a new R package named PISA2009lite. I will show how to install this package, what is inside and how to use it. Introduction PISA (Programme for International Student Assessment) is a worldwide study focused on measuring performance of 15-year-old school pupils. More precisely, scholastic performance on mathematics, science an...
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The PISA2003lite package is released. Let’s explore!
Today I’m going to show how to install PISA2003lite, what is inside and how to use this R package. Datasets from this package will be used to compare student performance in four math sub-areas across different countries. At the end of the day we will find out in which areas top performers from different countries are stronger and in which they ...
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PISA 2012, occupations and the shiny app
OECD has just released a new PISA in Focus titled “Do parents’ occupations have an impact on student performance?”. A shiny app is an add-on to this article, you can open it from this link: http://beta.icm.edu.pl/PISAoccupations2012/. The app allows for comparisons of average performance in mathematics/reading/science of 15-years old pupils...
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Data visualisation challange at useR 2014 conference
Familiar with R and DataVis? Take a try in PISA data visualisation contest for useR2014 participants. There are two contest tracks. In each you can win 700$. More information about the contest can be found here: http://www.oecd.org/pisa/pisaproducts/datavisualizationcontest.htm. The prizes are funded by The Organisation for Economic Co-operation ...
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Are they happy at school? PISA data and visualisation challange @ useR!2014
I hope you have already heard about DataVis contest at useR!2014 (in case you did not, here is more information: http://www.oecd.org/pisa/pisaproducts/datavisualizationcontest.htm). As a jury member I am not going to submit any work, but I am going to encourage you to play with the data, crunch a finding and submit interesting plot. How easy is t...
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Proficiency levels @ PISA and visualisation challenge @ useR!2014
16 days to go for submissions in the DataVis contest at useR!2014 (see contest webpage). The contest is focused on PISA data and students’ skills. The main variables that reflect pupil skills in math / reading / science are plausible values e.g. columns PV1MATH, PV1READ, PV1SCIE in the dataset. But, these values are normalized to have mean 500 ...
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Gender gap and visualisation challenge @ useR!2014
7 days to go for submissions in the DataVis contest at useR!2014 (see contest webpage). Note that the contest is open for all R users, not only conference participants. Submit your solution soon! PISA dataset allows to challenge some ,,common opinions”, like are boys or girls better in math / reading. But, how to compare differences between ge...
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Submissions in the DataVis contest at useR!2014
Wonder how submissions to the DataVis contest at useR!2014 (see contest webpage) look like? There are 8 submissions in the track 1 (schools matter) and 10 submissions in the track 2 (inequalities in academic achievement). You can see all submissions (with correspoing R codes) on this webpage. Related To leave a comment for the author, please fo...
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Parameterized SQL queries
Mateusz Żółtak asked me to spread the word about his new R package for parameterized SQL queries. Below you can find the copy of package vignette. If you work with SQL in R you may find it useful. Mateusz Żółtak The package RODBCext is an extension of the RODBC database connectivity package. It provides support for parameterized queries. ...
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Lazy load with archivist
Version 1.1 of the archivist package reached CRAN few days ago. This package supports operations on disk based repository of R objects. It makes the storing, restoring and searching for an R objects easy (searching with the use of meta information). Want to share your object with article reviewers or collaborators? This package should help. We’...
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