diff options
Diffstat (limited to 'branches/0.1/chemCal/man/lod.Rd')
| -rw-r--r-- | branches/0.1/chemCal/man/lod.Rd | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/branches/0.1/chemCal/man/lod.Rd b/branches/0.1/chemCal/man/lod.Rd index e468e1d..918e820 100644 --- a/branches/0.1/chemCal/man/lod.Rd +++ b/branches/0.1/chemCal/man/lod.Rd @@ -5,7 +5,7 @@ \alias{lod.default} \title{Estimate a limit of detection (LOD)} \usage{ - lod(object, \dots, alpha = 0.05, beta = 0.05, method = "default") + lod(object, \dots, alpha = 0.05, beta = 0.05, method = "default", tol = "default") } \arguments{ \item{object}{ @@ -25,12 +25,17 @@ The error tolerance beta for the detection limit. } \item{method}{ - The default method uses a prediction interval at the LOD + The \dQuote{default} method uses a prediction interval at the LOD for the estimation of the LOD, which obviously requires iteration. This is described for example in Massart, p. 432 ff. The \dQuote{din} method uses the prediction interval at x = 0 as an approximation. } + \item{tol}{ + When the \dQuote{default} method is used, the default tolerance + for the lod on the x scale is the value of the smallest non-zero standard + divided by 1000. + } } \value{ A list containig the corresponding x and y values of the estimated limit of |