castles.nondated {dad} | R Documentation |
Non dated Alsacian castles
Description
The data were collected by J.M. Rudrauf on Alsacian castles whose building period is unknown. On each castle, he measured 4 structural parameters on a sample of building stones.
Usage
data(castles.nondated)
Format
castles.nondated
is a list of two data frames:
castles.nondated$stones
: this first data frame has 1280 cases (rows) and 5 variables (columns) that are namedheight, width, edging, boss
(numeric) andcastle
(factor).castles.nondated$periods
: this second data frame has 67 cases and 2 variables namedcastle
andperiod
; the columncastle
corresponds to the levels of the factorcastle
of the first data frame; the columnperiod
is a factor indicating NA as the building period is unknown.
Notice that the data frames corresponding to the castles whose building period is known are those in castles.dated
.
Source
Rudrauf, J.M., Boumaza, R. (2001). Contribution a l'etude de l'architecture medievale: les caracteristiques des pierres a bossage des chateaux forts alsaciens. Centre de Recherches Archeologiques Medievales de Saverne, 5, 5-38.
Examples
data(castles.nondated)
summary(castles.nondated$stones)
summary(castles.nondated$periods)