Description Usage Format Examples
The data that has similarity to Suspension bead arrays data.
1 |
A list that consists of "plate"
which is a factor
of plate number,
"X"
that contains measured values where columns are targets and rows are samples (or observations).
1 2 3 4 5 6 7 8 9 10 11 12 13 | data(sba)
# plot to check difference of geometric mean of every target between plates
sba_gm <- by(sba$X, sba$plate, apply, 2, function(x) exp(mean(log(x))))
par(mfrow= c(2, 3))
apply(combn(4, 2), 2, function(ea) {
plot(sba_gm[[ea[1]]], sba_gm[[ea[2]]], xlab= names(sba_gm)[ea[1]],
ylab= names(sba_gm)[ea[2]], log= "xy", asp= 1)
abline(0, 1, col= "cadetblue")
})
# show first 10 observations in plate 1 and plate 2
print(sba$X[c(1:10, 97:106), 1:10])
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