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23 lines
1.1 KiB
R
23 lines
1.1 KiB
R
14 years ago
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##################################################
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################ LinearBaseline ##################
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##################################################
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LinearBaseline <- function (potential, current, iplim) {
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## Arguments:
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## potential: full half-cycle, potentials
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## current: full half-cycle, currents
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## iplim: interpolation limits along x (potential)
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## Value:
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## A dataframe with two columns, potential and current
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## (of the calculated baseline)
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# Construct potential-current dataframe
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sweep <- data.frame(potential = potential, current = current)
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#
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sweep.iplim <- subset(subset(sweep, potential > iplim[1]), potential < iplim[2])
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sweep.baseline <- data.frame(potential = approxExtrap(sweep.iplim$potential,
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sweep.iplim$current, xout = sweep$potential, method = "linear")$x,
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current = approxExtrap(sweep.iplim$potential, sweep.iplim$current,
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xout = sweep$potential, method = "linear")$y)
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sweep.data <- data.frame(potential = sweep.baseline$potential,
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current = sweep.baseline$current)
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return(sweep.data)
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}
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