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2013 Oct 17
1
pamer.fnc y la nueva versión de R
...Load and format data
require(LCFdata)
data(eeg)
# restrict to electrode Fz and 80--180 ms window
eeg <- eeg[eeg$Time >= 80 & eeg$Time <= 180, ]
eeg <- eeg[, c("Subject", "Item", "Time", "Fz",
"FreqB", "LengthB", "WMC")]
# mean center FreqB
eeg$FreqBc <- eeg$FreqB - mean(eeg$FreqB)
# split FreqBc into 3 categories. Doesn’t make sense,
# but it’s merely for example
eeg$FreqBdc <- "high"
eeg$FreqBdc[eeg$FreqBc<=quantile(eeg$FreqBc)[3]] <- "mid"
ee...