NEWS	R Documentation

News for Package 'lmrdige'

Change in lmridge version 1.2.2 (2023-01-14)

Improvement

• Scaling of X variables is updated in lmridgeEst() function. Now ridge regression can be done without scaling of X variables.

• The Ks arranged in order from kest() function.

• Examples for rstats1(), kest(), and lmridgeEst() are updated.

Change in lmridge version 1.2.1 (2021-11-10)

Improvement

• A correction in formula of KAD4 (Dorugade, 2014) from kest() function was made.

Changes in lmridge version 1.2 (2018-08-20)

Improvements/ Updates

• In rstat2() EDF is chanages to EP.

• P-value for ridge F-statistics is computed and displayed in summary statistics.

• Information about EP, df1, df2 are added in help file of summary().

• Appropriate rounding of numbers is done in summary(), lmridge(), vif() functions.

Changes in lmridge version 1.1 (2018-02-10)

Improvements

• Arugements of legend() in all plots are modified for further improvement.

• Help file for summary() and kest() is improved.

• The y-axis label removed from bias.plot() function.

Corrections

• Some correction is made in standard error of the intercept term. Therefore, t-value for intercept (first value of fourth column) and p-value (first value of fifth column) is updated accordingly.

• Correction is made in calculation of CV and GCV methods in kest() fucntion.