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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Methods. 2017 Dec 27;134-135:164–176. doi: 10.1016/j.ymeth.2017.12.015

Table A.4.

Arguments of the built-in function deGate - adapted from the vignette of flowDensity

Arguments
flow.frame a ‘FlowFrame’ object.
channel a channel’s name or its corresponding index in the ‘flow.frame’.
n.sd an integer coefficient for the standard deviation to determine the threshold based on the standard deviation if ‘sd.threshold’ is TRUE.
use.percentile if TRUE, forces to return the ‘percentile’th threshold.
percentile a value in [0,1] that is used as the percentile. The default value is 0.95.
upper if TRUE, finds the change in the slope at the tail of the density curve, if FALSE, finds it at the head. Default value is set to ‘NA’.
use.upper Logical. If TRUE, forces to return the inflection point based on the first (last) peak if upper=F (upper=T). Default value is set to ‘FALSE’.
talk Logical. If TRUE, Prints a message if only one peak is found, or when inflection point is used to set the gates.
alpha a value in [0,1) specifying the significance of change in the slope being detected. This is by default 0.1, and typically need not be changed.
sd.threshold if TRUE, uses ‘n.sd’ times standard deviation as the threshold. Default value is set to ‘FALSE’.
graphs if TRUE, generates density distribution plot plus its corresponding threshold.
all.cuts if TRUE, returns all the identified cutoff points, i.e. potential thresholds for that channel. Default value is set to ‘FALSE’.
tinypeak.removal A number in [0,1] to exclude/include tiny peaks in density distribution.
adjust.dens The smoothness of density in [0,Inf] to be used in density(.). The default value is 1 and should not be changed unless necessary.