diff options
Diffstat (limited to 'man/drfit.Rd')
| -rw-r--r-- | man/drfit.Rd | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/man/drfit.Rd b/man/drfit.Rd index 3729550..ec7fa70 100644 --- a/man/drfit.Rd +++ b/man/drfit.Rd @@ -9,7 +9,7 @@ drfit(data, startlogED50 = NA, chooseone = TRUE, probit = TRUE, logit = FALSE, weibull = FALSE, linlogit = FALSE, level = 0.95, linlogitWrong = NA, allWrong = NA, ps0 = 1, ls0 = 0.5, ws0 = 0.5, b0 = 2, f0 = 0, - showED50 = FALSE, + showED50 = FALSE, EDx = NULL, EDx.tolerance = 1e-4) } \arguments{ @@ -32,11 +32,11 @@ \item{probit}{ A boolean defining if cumulative density curves of normal distributions \code{\link{pnorm}} are fitted against the decadic logarithm of the dose. - Default ist TRUE.} + Default ist TRUE.} \item{logit}{ A boolean defining if cumulative density curves of logistic distributions \code{\link{plogis}} are fitted to the decadic logarithm of the dose. - Default is FALSE.} + Default is FALSE.} \item{weibull}{ A boolean defining if the cumulative density curves of weibull distributions (\code{\link{pweibull}} with additionall location parameter and scale=1) @@ -87,14 +87,14 @@ \value{ A dataframe with the attribute \code{models} holding a list of the fitted dose-response models of class \code{\link{nls}}. The dataframe has at least - one line for each substance. + one line for each substance. For the \dQuote{linlogit}, \dQuote{logit} and \dQuote{probit} models, the parameter \code{a} that is reported coincides with the logED50, i.e the logED50 is one of the model parameters that is being fitted. Therefore, a confidence interval for the confidence level \code{level} is calculated using the \code{\link[MASS:confint]{confint.nls}} function and listed. - + The following variables are in the dataframe: \item{Substance}{ The name of the substance @@ -115,14 +115,14 @@ If the data did not show a mean response < 0.5 at the highest dose level, the modeltype is set to \dQuote{inactive}. If the mean response at the lowest dose is smaller than 0.5, the modeltype is set to \dQuote{active}. - In both cases, no fitting procedure is carried out. If the fitted ED50 + In both cases, no fitting procedure is carried out. If the fitted ED50 is higher than the highest dose, \dQuote{no fit} is given here. } \item{logED50}{ The decadic logarithm of the ED50 } \item{low \%}{ - The lower bound of the confidence interval of log ED50. + The lower bound of the confidence interval of log ED50. The name of the column depends on the requested confidence \code{level}. } \item{high \%}{ @@ -139,7 +139,7 @@ \item{a}{ For the \dQuote{linlogit}, \dQuote{logit} and \dQuote{probit} models, the parameter \code{a} coincides with the logED50. In the case of the - \dQuote{weibull} model, \code{a} is a location parameter. + \dQuote{weibull} model, \code{a} is a location parameter. } \item{b}{ Parameter \code{b} in the case of the \dQuote{linlogit} fit is the variable @@ -165,7 +165,7 @@ r <- drfit(antifoul, showED50 = TRUE, EDx = c(5, 10, 20)) format(r, digits = 2) } \note{There is a demo for each dataset that can be accessed by - \code{demo(dataset)}} + \code{demo(dataset)}} \seealso{ Further examples are given in help pages to the datasets \code{\link{antifoul}}, \code{\link{IM1xIPC81}} and @@ -175,8 +175,8 @@ format(r, digits = 2) confidence intervals for EDx values via this package. } \author{ - Johannes Ranke - \email{jranke@uni-bremen.de} + Johannes Ranke + \email{jranke@uni-bremen.de} \url{http://www.uft.uni-bremen.de/chemie/ranke} } \keyword{models} |