Changes in version 0.8.5 (2026-03-07)                  

    o   Minor bugs/errata fix and refactored using Claude Code.

                 Changes in version 0.8.4 (2025-09-07)                  

    o   Default k value is adjusted to be more conservative.

                 Changes in version 0.8.3 (2025-03-23)                  

    o   A bug in ExpandDH is fixed.

                 Changes in version 0.8.2 (2025-02-21)                  

    o   logk in nlr adjusted

                 Changes in version 0.8.1 (2024-06-01)                  

    o   g2inv utility function bug with p=0 fixed.

                 Changes in version 0.8.0 (2024-02-22)                  

    o   g2inv utility function is revised to handle non-square matrix.

                 Changes in version 0.7.3 (2023-04-25)                  

    o   Default k value in nlr() is adjusted.

                 Changes in version 0.7.2 (2023-03-26)                  

    o   If hessian matrix is singular, g2inv() is used instead of
	solve().

    o   If k option in nlr() is missing, recommended k for conf.level
	is used.

    o   pProf() improved and exposed

    o   EnvObj() introduced

                 Changes in version 0.7.1 (2022-11-29)                  

    o   pProf() bug fixed for NaNs

                 Changes in version 0.7.0 (2022-10-28)                  

    o   hSkew() function added

    o   nlr function returns 1/8 likelihood interval which is similar
	to 95 percent CI.

    o   pProf() internal function plots likelihood profile and interval
	for the last nlr() run.

                 Changes in version 0.6.4 (2021-11-22)                  

    o   Minor beutification of the script - more spaces

    o   dx() further check default graphic parameter

                 Changes in version 0.6.3 (2021-09-06)                  

    o   dx() made compatible for rmarkdown

    o   pComp option Col for compartment color added.

    o   pComp option asp=1 should be provided if you need.

                 Changes in version 0.6.2 (2021-08-07)                  

    o   pComp for plotting compartment model diagram is added.

                 Changes in version 0.6.1 (2020-08-27)                  

    o   qr.solve is used instead of solve.

    o   Documents enhanced.

                 Changes in version 0.6.0 (2020-07-16)                  

    o   nlr function gained Error="S" (scale) option. This enables GLS.

                 Changes in version 0.5.1 (2019-06-10)                  

    o   DAT table changed.

                 Changes in version 0.5.0 (2019-05-10)                  

    o   Analytical solutions of compartmental models added.

                        Changes in version 0.4.2                        

    o   Combined error with fixed additive variance model added.

                 Changes in version 0.4.1 (2018-06-14)                  

    o   Errata in manual corrected.

                 Changes in version 0.4.0 (2018-04-02)                  

    o   dx for simplest diagnostic plot is added.

    o   nlr and wnl5 returns more.

    o   nlr checks arguments more.

    o   Better p-value from cmpChi.

                 Changes in version 0.3.3 (2018-03-02)                  

    o   nlr returns more information.

    o   cmpChi is newly introduced.

                 Changes in version 0.3.2 (2017-12-01)                  

    o   Method argument added.

                 Changes in version 0.3.1 (2017-10-16)                  

    o   Secondary argument added.

                        Changes in version 0.3.0                        

    o   wnl5 added.

                        Changes in version 0.2.0                        

    o   Changed interface.

                        Changes in version 0.1.0                        

    o   First version