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- The title was changed to `Kinetic evaluations of chemical degradation data`
-- `mkinfit`: Do not error out in cases where the fit converges, but the Jacobian for the untransformed model cost can not be estimated. Give a warning instead and return NA for the t-test results.
-
-- `summary.mkinfit`: Give a warning message when the covariance matrix can not be obtained.
+- The main vignette `mkin` was converted to R markdown and updated
-- A test has been added to containing a corresponding edge case to check that the warnings are correctly issued and the fit does not terminate.
+- The function `add_err` was added to the package, making it easy to generate simulated data using an error model based on the normal distribution
### Minor changes
- Remove an outdated reference to the inline package in the `compiled_models` vignette
+- `mkinfit`: Do not error out in cases where the fit converges, but the Jacobian for the untransformed model cost can not be estimated. Give a warning instead and return NA for the t-test results.
+
+- `summary.mkinfit`: Give a warning message when the covariance matrix can not be obtained.
+
+- A test has been added to containing a corresponding edge case to check that the warnings are correctly issued and the fit does not terminate.
+
### Bug fixes
- `endpoints`: When the name of a substance degrading to a metabolite (e.g. a parent compound) used in the model formulation ended in the letter `f`, some rate parameters could be listed as formation fractions with mixed up names. These would also appear in the summary.
- `mkinfit`: Check for all observed variables when checking if the user tried to fix formation fractions when fitting them using ilr transformation.
+- `plot.mmkin`: Removed some leftover code that set the plot margins wrongly in the case of a single fit to be plotted, so the main title was misplaced
+
## mkin 0.9.42 (2016-03-25)
### Major changes

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