Initialize arguments of the Growing Region algorithm. For internal use.
1 2 3 |
contrast |
the contrast value of each observation. numeric vector. |
W |
the neighbourhood matrix. dgCMatrix. |
seed |
the index of the initial seeds or a binary indicator of the initial seeds. positive integer vector or logical vector. |
sigma_max |
the maximum admissible value for the variability of the group contrast. positive numeric. |
range |
the range of acceptable contrast values for the growing region group. numeric vector of size 2. |
range.seed |
the range of acceptable contrast values for the seeds. numeric vector of size 2. |
breaks |
the break points or the number of break points to use to categorize the contrast distribution. numeric vector or |
iter_max |
the maximum number of iterations for the expansion of the growing region. |
sd.robust |
should the median absolute deviation be used to estimte the variability of the group contrast, or the standard deviation ? logical. |
keep.lower |
should removing observations with high intensity of the region be forbidden ? logical. |
keep.upper |
should removing observations with low intensity of the region be forbidden ? logical. |
history.sigma |
should the values of sigma be recorded ? logical. |
history.step |
should the number of observations included in the growing region set be recorded ? logical. |
history.front |
should the propagation front of the GR set be recorded ? logical. |
rescale |
should the contrast be scaled ? logical. |
verbose |
should the execution of the function be traced ? logical. |
method |
the name of the function that called the initializer. character. |
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