Description Usage Arguments Value Author(s) Examples
Identifies the bottom points of each approach in a positional trace from a scanning ion conductance probe operating in hopping mode.
1 | find.bottom(x, window = 50, box.size = 9, clip.ends=TRUE)
|
x |
A vector of positions recorded over time. Positions are taken to be measured upward, i.e. a higher value corresponds to a higher probe position further from the sample. Units are unspecified. |
window |
Minimum number of previous descending points before a bottom point is accepted. This allows positional wobbles at the bottom and top of a hop to be ignored. |
box.size |
Width (in samples) of a simple box filter to apply in order to smooth the signal before searching for minima. |
clip.ends |
Whether to omit bottom points discovered within |
A logical vector the same length as the input vector x
, with the bottom points
set to TRUE
and all others FALSE
.
Matthew Caldwell
1 2 3 4 5 6 7 8 9 10 |
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