Changes in version 1.2.2 (2023-01-15)                  

Improvement

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

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

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

                 Changes in version 1.2.1 (2021-11-11)                  

Improvement

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

                  Changes in version 1.2 (2018-08-22)                   

Improvements/ Updates

    o   In rstat2() EDF is chanages to EP.

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

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

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

                  Changes in version 1.1 (2018-02-11)                   

Improvements

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

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

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

Corrections

    o   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.

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