ampbox_data {fdasrvf} | R Documentation |
Amplitude Boxplot Data
Description
This function constructs the amplitude boxplot.
Usage
ampbox_data(warp_median, alpha = 0.05, ka = 1)
Arguments
warp_median |
fdawarp object from |
alpha |
quantile value (default=.05, i.e., 95%) |
ka |
scalar for outlier cutoff (default=1) |
Value
Returns an ampbox
object containing:
-
median_y
: median function -
Q1
: First quartile -
Q3
: Second quartile -
Q1a
: First quantile based on alpha -
Q3a
: Second quantile based on alpha -
minn
: minimum extreme function -
maxx
: maximum extreme function -
outlier_index
: indexes of outlier functions -
fmedian
: median function
References
Xie, W., S. Kurtek, K. Bharath, and Y. Sun (2016). "A geometric approach to visualization of variability in functional data." Journal of the American Statistical Association in press: 1-34.
[Package fdasrvf version 2.3.6 Index]