Satisfy R CMD check

- Depend on R >= 3.5.0, because the format used for the data is not
  known to earlier R versions
- Rename the datasets from `test` to their proper name

11 files changed, 36 insertions, 4 deletions

diff --git a/man/din32645.Rd b/man/din32645.Rd
index a8e6a31..5b9603f 100644
--- a/man/din32645.Rd
+++ b/man/din32645.Rd
@@ -7,6 +7,9 @@
 \format{
 A dataframe containing 10 rows of x and y values.
 }
+\usage{
+din32645
+}
 \description{
 Sample dataset to test the package.
 }
diff --git a/man/din38402b1.Rd b/man/din38402b1.Rd
index 10ccddc..2c538b8 100644
--- a/man/din38402b1.Rd
+++ b/man/din38402b1.Rd
@@ -8,6 +8,9 @@
 A tibble containing 12 concentration levels with the respective
 instrument response values.
 }
+\usage{
+din38402b1
+}
 \description{
 Example dataset B.1 from DIN 38402 with concentrations in µg/L and the extinction
 as response measured using continuous flow analysis (CFA) according to
diff --git a/man/din38402b3.Rd b/man/din38402b3.Rd
index b4b5504..83abd0f 100644
--- a/man/din38402b3.Rd
+++ b/man/din38402b3.Rd
@@ -8,6 +8,9 @@
 A tibble containing 13 concentration levels and the respective
 instrument response values.
 }
+\usage{
+din38402b3
+}
 \description{
 Example dataset B.3 from DIN 38402. Cu was measured according to ISO 11885,
 using ICP-OES. The concentration are reported in mg/L and the response as
diff --git a/man/din38402b6.Rd b/man/din38402b6.Rd
index feb3577..289ee41 100644
--- a/man/din38402b6.Rd
+++ b/man/din38402b6.Rd
@@ -8,6 +8,9 @@
 A tibble containing 12 concentration levels and the respective
 instrument response values.
 }
+\usage{
+din38402b6
+}
 \description{
 Example dataset B.6 from DIN 38402 measured using LC-MS/MS. The
 concentrations are reported in in µg/L and the response in arbitrary
diff --git a/man/din38402c3.Rd b/man/din38402c3.Rd
index 7c00999..e9ac83e 100644
--- a/man/din38402c3.Rd
+++ b/man/din38402c3.Rd
@@ -8,6 +8,9 @@
 A tibble containing 10 concentration levels and the respective
 response values.
 }
+\usage{
+din38402c3
+}
 \description{
 Example dataset C.3 from DIN 38402 determined by ion chromatography.
 Concentrations are reported in mg/L and the extinction as response.
diff --git a/man/linearity.Rd b/man/linearity.Rd
index aa3d857..52c2423 100644
--- a/man/linearity.Rd
+++ b/man/linearity.Rd
@@ -41,12 +41,14 @@ identification of non-linear behaviour of calibration curves (Andrade and
 Gomes-Carracedo, 2013).
 }
 \examples{
-data(din32645)
+# Continuous Flow Analysis (CFA) data
+data(din38402b1)
+
 # Point-to-point slope plot
-linearity(din32645$x, din32645$y, method = "slope")
+linearity(din38402b1$conc, din38402b1$ext, method = "slope")
 
 # Curvature plot
-linearity(din32645$x, din32645$y, method = "curvature", tolerance = 0.2)
+linearity(din38402b1$conc, din38402b1$ext, method = "curvature")
 
 }
 \references{
@@ -58,5 +60,5 @@ Mandel's test to check for nonlinearity in laboratory calibrations.
 Analytical Methods 5(5), 1145 - 1149.
 }
 \author{
-Anil Axel Tellbüscher
+Anıl Axel Tellbüscher
 }
diff --git a/man/massart97ex1.Rd b/man/massart97ex1.Rd
index d154a9c..c49f416 100644
--- a/man/massart97ex1.Rd
+++ b/man/massart97ex1.Rd
@@ -12,6 +12,9 @@ Massart, L.M, Vandenginste, B.G.M., Buydens, L.M.C., De Jong, S.,
 Lewi, P.J., Smeyers-Verbeke, J. (1997) Handbook of Chemometrics and
 Qualimetrics: Part A, Chapter 8.
 }
+\usage{
+massart97ex1
+}
 \description{
 Sample dataset from p. 175 to test the package.
 }
diff --git a/man/massart97ex3.Rd b/man/massart97ex3.Rd
index 284a435..82d3191 100644
--- a/man/massart97ex3.Rd
+++ b/man/massart97ex3.Rd
@@ -13,6 +13,9 @@ Massart, L.M, Vandenginste, B.G.M., Buydens, L.M.C., De Jong, S.,
 Lewi, P.J., Smeyers-Verbeke, J. (1997) Handbook of Chemometrics and
 Qualimetrics: Part A, Chapter 8.
 }
+\usage{
+massart97ex3
+}
 \description{
 Sample dataset from p. 188 to test the package.
 }
diff --git a/man/rl95_cadmium.Rd b/man/rl95_cadmium.Rd
index 8e0b02c..db6a841 100644
--- a/man/rl95_cadmium.Rd
+++ b/man/rl95_cadmium.Rd
@@ -13,6 +13,9 @@ six calibration standards.
 Rocke, David M. und Lorenzato, Stefan (1995) A two-component model
 for measurement error in analytical chemistry. Technometrics 37(2), 176-184.
 }
+\usage{
+rl95_cadmium
+}
 \description{
 Dataset reproduced from Table 1 in Rocke and Lorenzato (1995).
 }
diff --git a/man/rl95_toluene.Rd b/man/rl95_toluene.Rd
index 1f8836a..2e0f3a5 100644
--- a/man/rl95_toluene.Rd
+++ b/man/rl95_toluene.Rd
@@ -12,6 +12,9 @@ six calibration standards.
 Rocke, David M. und Lorenzato, Stefan (1995) A two-component model
 for measurement error in analytical chemistry. Technometrics 37(2), 176-184.
 }
+\usage{
+rl95_toluene
+}
 \description{
 Dataset reproduced from Table 4 in Rocke and Lorenzato (1995). The toluene
 amount in the calibration samples is given in picograms per 100 µL.
diff --git a/man/utstats14.Rd b/man/utstats14.Rd
index 1b739d4..bb952ff 100644
--- a/man/utstats14.Rd
+++ b/man/utstats14.Rd
@@ -14,6 +14,9 @@ Tutorial website maintained by the Departments of Chemistry, University of
 Toronto.
 \url{https://sites.chem.utoronto.ca/chemistry/coursenotes/analsci/stats/index.html}
 }
+\usage{
+utstats14
+}
 \description{
 Dataset read into R from
 \url{https://sites.chem.utoronto.ca/chemistry/coursenotes/analsci/stats/files/example14.xls}.