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Diffstat (limited to 'docs/reference/transform_odeparms.html')
| -rw-r--r-- | docs/reference/transform_odeparms.html | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/docs/reference/transform_odeparms.html b/docs/reference/transform_odeparms.html index 266db603..5c89f8e2 100644 --- a/docs/reference/transform_odeparms.html +++ b/docs/reference/transform_odeparms.html @@ -27,6 +27,18 @@ <script src="../pkgdown.js"></script> +<meta property="og:title" content="Functions to transform and backtransform kinetic parameters for fitting — transform_odeparms" /> + +<meta property="og:description" content="The transformations are intended to map parameters that should only take + on restricted values to the full scale of real numbers. For kinetic rate + constants and other paramters that can only take on positive values, a + simple log transformation is used. For compositional parameters, such as + the formations fractions that should always sum up to 1 and can not be + negative, the ilr transformation is used. +The transformation of sets of formation fractions is fragile, as it supposes + the same ordering of the components in forward and backward transformation. + This is no problem for the internal use in mkinfit." /> +<meta name="twitter:card" content="summary" /> <!-- mathjax --> <script src='https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script> @@ -173,8 +185,8 @@ <span class='no'>fit</span> <span class='kw'><-</span> <span class='fu'><a href='mkinfit.html'>mkinfit</a></span>(<span class='no'>SFO_SFO</span>, <span class='no'>FOCUS_2006_D</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>) <span class='fu'>summary</span>(<span class='no'>fit</span>, <span class='kw'>data</span><span class='kw'>=</span><span class='fl'>FALSE</span>) <span class='co'># See transformed and backtransformed parameters</span></div><div class='output co'>#> mkin version used for fitting: 0.9.47.1 #> R version used for fitting: 3.4.3 -#> Date of fit: Fri Mar 9 23:08:30 2018 -#> Date of summary: Fri Mar 9 23:08:30 2018 +#> Date of fit: Sun Mar 11 22:10:42 2018 +#> Date of summary: Sun Mar 11 22:10:42 2018 #> #> Equations: #> d_parent/dt = - k_parent_sink * parent - k_parent_m1 * parent @@ -182,7 +194,7 @@ #> #> Model predictions using solution type deSolve #> -#> Fitted with method Port using 153 model solutions performed in 0.657 s +#> Fitted with method Port using 153 model solutions performed in 0.564 s #> #> Weighting: none #> @@ -312,3 +324,4 @@ </body> </html> + |