David Magis
Authors@R so your work is attributed to you and not merged with a namesake.
Downloads
12K
Last 30 days
30.8K
Last 90 days
165.9K
Last year
Average trend: +39.1% (30d vs prior 30d)
Top Packages by Downloads
Recent Activity
Unidimensional Item Response Theory Modeling
Unidimensional Item Response Theory Modeling
Unidimensional Item Response Theory Modeling
Unidimensional Item Response Theory Modeling
Identification of Dichotomous Differential Item Functioning (DIF) using Angoff's Delta Plot Method
Collection of Methods to Detect Dichotomous, Polytomous, and Continuous Differential Item Functioning (DIF)
Unidimensional Item Response Theory Modeling
Parallel Analysis and Other Non Graphical Solutions to the Cattell Scree Test
Collection of Methods to Detect Dichotomous, Polytomous, and Continuous Differential Item Functioning (DIF)
Unidimensional Item Response Theory Modeling
Co-authored Packages
3 packages
| Package | Version |
|---|---|
| nFactors 6.6K downloads/30d | 2.4.1.2 |
| difR 1.9K downloads/30d | 6.1.0 |
| deltaPlotR 1.3K downloads/30d | 1.9 |
Contributions
1 package
| Package | Version |
|---|---|
| irtQ 553 downloads/30d | 1.3.1 |
Other Roles
1 package
| Package | Version |
|---|---|
| catR 1.7K downloads/30d | 3.17 |