v1.2.7

BUG FIXING

• Reports with DDF but none DDF item are now correctly generated.

MAJOR UPDATES

• UI
  • Some parts were splitted from main ui.R file
  • Package shinyBS is now required.
• Function 'DDplot()'
  • Limits for y-axis were adjusted when negative values of discrimination are detected.
  • Warning for negative discrimination values were added.
• Reports
  • Some unused parts of reports were excluded.
  • 4PL IRT model was added as an option.
  • IRT equation is generated based on selected model only.
• IRT
  • Exercises in IRT training were extended.
  • Helps/tips for interactive exercises were added.
  • Interactive exercises were added into IRT training - dichotomous models.
  • Expected item scores were added into polytomous models in IRT training.
  • 4PL model was added.
  • 4PL model was added into model comparison.
  • IRT training section was expanded by polytomous models GRM, GPCM and NRM were added.
• Data
  • Bug in data upload was fixed. Now length of criterion variable is correctly checked.
  • HCI dataset was added into package.
  • Description of dataMedical was improved.
  • Description of training datasets was improved.
  • Graded data od Medical data set was added.
  • In all dataMedical data sets the criterion variable was renamed to StudySuccess.
• About
  • Page was improved.
• Regression
  • Section is newly organized.
  • NLR 4P model was added.
  • NLR 4P model was added into model comparison.
• theme_shiny was created as a default theme for all figures.

MINOR UPDATES

• Mirror at Charles University is no longer in use.
• Typos were fixed.
• IRT
  • Colors of sliders and curves in IRT training section were adjusted.
  • Numeric inputs were removed from IRT training section.
• README file was updated.
• Design of figures was unified.
• Download button options were unified.
• Selected R code syntax was improved in some sections. This can be done with
  txt <- gsub("\n", "
  ", txt)
  txt <- gsub(" ", " ", txt)
  txt
  where txt is R code in "".
• Some wording was improved.
• Hexbin
  • was added into footer.
  • is now as shortcut icon.
• References were updated.
• Unnecessary files were deleted. Some cleaning of files was done.
• Paddings
  • in large devices was adjusted.
  • in small devices was adjusted.