mathmarks {SIN} | R Documentation |
Examination marks of 88 students in the five subjects:
data(mathmarks)
A list providing a summary of the data. The list contains:
mathmarks$means | : | the mean vector, |
mathmarks$stddev | : | the vector of standard deviations, |
mathmarks$corr | : | the correlation matrix, and |
mathmarks$n | : | the sample size. |
Mechanics and Vectors were closed book examinations. Algebra, Analysis and Statistics were open book examinations.
Mardia, K.V., Kent, J.T. \& Bibby, J.M. (1979) Multivariate
analysis. London: Academic Press. (See pp.3-4).
Whittaker, J. (1990) Graphical models in applied
multivariate statistics. Chichester: Wiley. (See Ch. 1.1).
data(mathmarks) mathmarks$means mathmarks$stddev mathmarks$corr mathmarks$n