Mineral compositions of five slides as reported by five analysts.
slidesA data.frame with 9 variables:
analystAnalyst number.
slideSlide number.
quartzQuartz (percent).
microclineMicrocline (percent).
plagioclassPlagioclass (percent).
biotiteBiotite (percent).
muscoviteMuscovite (percent).
opaquesOpaque minerals (percent).
nonopaquesNon-opaque minerals (percent).
Aitchison, J. (1986). The Statistical Analysis of Compositional Data. London: Chapman and Hall.
Other datasets:
arctic,
boxite,
coxite,
hongite,
kongite,
lava,
predator