Armada: La Felicisima Armada

In HistData: Data Sets from the History of Statistics and Data Visualization

Description

The Spanish Armada (Spanish: Grande y Felicisima Armada, literally "Great and Most Fortunate Navy") was a Spanish fleet of 130 ships that sailed from La Coruna in August 1588. During its preparation, several accounts of its formidable strength were circulated to reassure allied powers of Spain or to intimidate its enemies. One such account was given by Paz Salas et Alvarez (1588). The intent was bring the forces of Spain to invade England, overthrow Queen Elizabeth I, and re-establish Spanish control of the Netherlands. However the Armada was not as fortunate as hoped: it was all destroyed in one week's fighting.

de Falguerolles (2008) reports the table given here as Armada as an early example of data to which multivariate methods might be applied.

Usage

data("Armada")

Format

A data frame with 10 observations on the following 11 variables.

Armada

designation of the fleet, a factor with levels Andalucia Castilla Galeras Guipuscua Napoles Pataches Portugal Uantiscas Vizca Vrcas

ships

number of ships, a numeric vector

tons

total tons, a numeric vector

soldiers

number of soldiers, a numeric vector

sailors

number of sailors, a numeric vector

men

total of soldiers plus sailors, a numeric vector

artillery

a numeric vector

balls

a numeric vector

gunpowder

a numeric vector

lead

a numeric vector

rope

a numeric vector

Details

Note that men = soldiers + sailors

Source

de Falguerolles, A. (2008) L'analyse des donnees; before and around. Journal Electronique d'Histoire des Probabilites et de la Statistique, 4 (2), www.jehps.net/Decembre2008/Falguerolles.pdf

References

Pedro de Paz Salas and Antonio Alvares. La felicissima armada que elrey Don Felipe nuestro Senor mando juntar enel puerto de la ciudad de Lisboa enel Reyno de Portugal. Lisbon, 1588.

Examples

data(Armada)
# delete character and redundant variable
armada <- Armada[,-c(1,6)]

armada.pca <- prcomp(armada, scale.=TRUE)
summary(armada.pca)

plot(armada.pca, type="lines", pch=16, cex=2)
biplot(armada.pca)

Example output

Importance of components%s:
                          PC1    PC2     PC3     PC4     PC5     PC6     PC7
Standard deviation     2.5688 1.1100 0.76352 0.52515 0.42582 0.29774 0.18390
Proportion of Variance 0.7332 0.1369 0.06477 0.03064 0.02015 0.00985 0.00376
Cumulative Proportion  0.7332 0.8701 0.93486 0.96551 0.98565 0.99550 0.99926
                          PC8     PC9
Standard deviation     0.0794 0.01885
Proportion of Variance 0.0007 0.00004
Cumulative Proportion  1.0000 1.00000

HistData documentation built on May 2, 2019, 5:15 p.m.