From d09233dd6cd6cf60d3b00b30ee59ec148bba3187 Mon Sep 17 00:00:00 2001
From: Johannes Ranke drdata
.
drdata
.
If there is a column called “ok” and it is set to “no fit” in a specific line, then the corresponding data point will be excluded from the fitting procedure, although it will be plotted.
@@ -130,7 +130,7 @@A boolean defining if cumulative density curves of normal distributions
are fitted against the decadic logarithm of the dose. Default ist TRUE.
Note that the parameter definitions used in the model are different to the
- ones used in drfit
. Parameter e from LN.2
is listed
+ ones used in drfit
. Parameter e from LN.2
is listed
as a here, and parameter b from there is listed as b.
plogis
are fitted to the decadic logarithm of the dose.
Default is FALSE.
Again the parameter definitions used in the model are different to the
- ones used in drfit
. Parameter e from LL.2
is listed
+ ones used in drfit
. Parameter e from LL.2
is listed
as a here, and parameter b from LL.2 is listed as b.
A boolean defining if Weibull dose-response models
(W1.2
are fitted to the untransformed dose. Default is FALSE.
Note that the results differ from the ones obtained with
- drfit
, due to a different model specification.
drfit
, due to a different model specification.
A boolean defining if the linear-logistic function
- linlogitf
as defined by van Ewijk and Hoekstra 1993 is
+ linlogitf
as defined by van Ewijk and Hoekstra 1993 is
fitted to the data. Default is FALSE. Obtaining the ED50 (and EDx values
in general) uses ED
internally and does not always give a
result.
BC.4
, LN.2
,
LL.2
and W1.2
, respectively.
Note that the parameter definitions (and in the case of Weibull, the model
- used) are different to the ones used in drfit
.
+ used) are different to the ones used in drfit
.
Only the “linlogit” fit produces a third parameter c
, which is
the parameter f from the BC.4
function.
Further examples are given in help pages to the datasets
- antifoul
, IM1xIPC81
and
- IM1xVibrio
.
antifoul
, IM1xIPC81
and
+ IM1xVibrio
.