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-rw-r--r--branches/0.1/chemCal/DESCRIPTION4
-rw-r--r--branches/0.1/chemCal/man/calplot.lm.Rd9
-rw-r--r--branches/0.1/chemCal/tests/din32645.Rout.save9
-rw-r--r--branches/0.1/chemCal/tests/massart97.Rout.save17
4 files changed, 25 insertions, 14 deletions
diff --git a/branches/0.1/chemCal/DESCRIPTION b/branches/0.1/chemCal/DESCRIPTION
index 92bc658..323827b 100644
--- a/branches/0.1/chemCal/DESCRIPTION
+++ b/branches/0.1/chemCal/DESCRIPTION
@@ -1,6 +1,6 @@
Package: chemCal
-Version: 0.1-26
-Date: 2007-10-01
+Version: 0.1-27
+Date: 2010-09-12
Title: Calibration functions for analytical chemistry
Author: Johannes Ranke <jranke@uni-bremen.de>
Maintainer: Johannes Ranke <jranke@uni-bremen.de>
diff --git a/branches/0.1/chemCal/man/calplot.lm.Rd b/branches/0.1/chemCal/man/calplot.lm.Rd
index 6f6d584..b60a032 100644
--- a/branches/0.1/chemCal/man/calplot.lm.Rd
+++ b/branches/0.1/chemCal/man/calplot.lm.Rd
@@ -30,7 +30,9 @@
The label of the y axis.
}
\item{alpha}{
- The error tolerance level for the confidence and prediction bands.
+ The error tolerance level for the confidence and prediction bands. Note that this
+ includes both tails of the Gaussian distribution, unlike the alpha and beta parameters
+ used in \code{\link{lod}} (see note below).
}
\item{varfunc}{
The variance function for generating the weights in the model.
@@ -48,6 +50,11 @@
using weights e.g. from a variance function are currently not supported by
the internally used function \code{\link{predict.lm}}, therefore,
\code{calplot} does not draw prediction bands for such models.
+
+ It is possible to compare the \code{\link{calplot}} prediction bands with the
+ \code{\link{lod}} values if the \code{lod()} alpha and beta parameters are
+ half the value of the \code{calplot()} alpha parameter.
+
}
\examples{
data(massart97ex3)
diff --git a/branches/0.1/chemCal/tests/din32645.Rout.save b/branches/0.1/chemCal/tests/din32645.Rout.save
index c5ed5a7..00ae02e 100644
--- a/branches/0.1/chemCal/tests/din32645.Rout.save
+++ b/branches/0.1/chemCal/tests/din32645.Rout.save
@@ -1,7 +1,8 @@
-R : Copyright 2006, The R Foundation for Statistical Computing
-Version 2.3.1 (2006-06-01)
+R version 2.13.1 (2011-07-08)
+Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
+Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
@@ -17,7 +18,6 @@ Type 'q()' to quit R.
> require(chemCal)
Loading required package: chemCal
-[1] TRUE
> data(din32645)
> m <- lm(y ~ x, data = din32645)
> inverse.predict(m, 3500, alpha = 0.01)
@@ -39,7 +39,8 @@ $x
[1] 0.132904
$y
-[1] 3764.977
+ 1
+3764.977
> loq <- loq(m, alpha = 0.01)
>
diff --git a/branches/0.1/chemCal/tests/massart97.Rout.save b/branches/0.1/chemCal/tests/massart97.Rout.save
index cb113d0..740dd18 100644
--- a/branches/0.1/chemCal/tests/massart97.Rout.save
+++ b/branches/0.1/chemCal/tests/massart97.Rout.save
@@ -1,7 +1,8 @@
-R : Copyright 2006, The R Foundation for Statistical Computing
-Version 2.3.1 (2006-06-01)
+R version 2.13.1 (2011-07-08)
+Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
+Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
@@ -17,7 +18,6 @@ Type 'q()' to quit R.
> require(chemCal)
Loading required package: chemCal
-[1] TRUE
> data(massart97ex1)
> m <- lm(y ~ x, data = massart97ex1)
> inverse.predict(m, 15) # 6.1 +- 4.9
@@ -75,7 +75,7 @@ $Prediction
[1] 5.865367
$`Standard Error`
-[1] 0.892611
+[1] 0.8926109
$Confidence
[1] 2.478285
@@ -103,7 +103,8 @@ $x
[1] 5.406637
$y
-[1] 13.63822
+ 1
+13.63822
>
> loq(m0)
@@ -111,13 +112,15 @@ $x
[1] 13.97767
$y
-[1] 30.62355
+ 1
+30.62355
> loq(m, w.loq = 1.67)
$x
[1] 7.346231
$y
-[1] 17.90784
+ 1
+17.90784
>

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