Description Usage Arguments Value See Also Examples
intsvy.reg performs linear regression analysis (OLS) for an observed depedent variable (NOT for plausible values)
| 1 2 | 
| y | Label for dependent variable. | 
| x | Data labels of independent variables. | 
| by | The label for the grouping variable, usually the countries (i.e., by="CNTRYID"), but could be any other categorical variable. | 
| data | An R object, normally a data frame, containing the data. | 
| export | A logical value. If TRUE, the output is exported to a file in comma-separated value format (.csv) that can be opened from LibreOffice or Excel. | 
| name | The name of the exported file. | 
| folder | The folder where the exported file is located. | 
| config | Object with configuration of a given study. Should contain the slot 'prefixes' with prefixes of filenames with the student, home, school, and teacher data. | 
intsvy.reg returns a data frame with coefficients, standard errors and t-values. If "by" is specified, results are reported in a list. If the "by" argument is set, then the returning object is of the class "intsvy.reg" with overloaded function plot().
pisa.reg, pirls.reg, timss.reg
| 1 2 3 4 5 | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.