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

1 files changed, 3 insertions, 0 deletions

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).
 }