trim.vlmc | R Documentation |
This function returns a trimmed context tree from which match positions have been removed.
## S3 method for class 'vlmc'
trim(ct, ...)
ct |
a VLMC. |
... |
additional arguments for the trim function. |
a trimmed VLMC
## VLMC trimming is generally useless unless match positions were kept
pc <- powerconsumption[powerconsumption$week %in% 5:6, ]
dts <- cut(pc$active_power, breaks = 4)
model <- vlmc(dts, keep_match = TRUE)
print(object.size(model))
model <- trim(model)
## memory use should be reduced
print(object.size(model))
nm_model <- vlmc(dts)
print(object.size(nm_model))
nm_model <- trim(nm_model)
## no effect when match positions are not kept
print(object.size(nm_model))
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