act (version 1.3.1)

tiers_delete: Delete tiers

Description

Deletes tiers in all transcript objects of a corpus. If only tiers in certain transcripts should be affected set the parameter filterTranscriptNames. In case that you want to select tiers and/or transcripts by using regular expressions use the function act::search_makefilter first. Results will be reported in @history of the transcript objects.

Usage

tiers_delete(x, tierNames, filterTranscriptNames = NULL)

Value

Corpus object.

Arguments

x

Corpus object.

tierNames

Character string; names of the tiers to be deleted.

filterTranscriptNames

Vector of character strings; names of the transcripts to be modified. If left open, all transcripts will be checked.

See Also

tiers_add, tiers_rename, tiers_convert, tiers_sort, helper_tiers_new_table, helper_tiers_sort_table

Examples

library(act)

# get info about all tiers
all.tiers <- act::info(examplecorpus)$tiers

# tiers 'A' and 'B' occur 6 times in 6 transcripts
all.tiers["A", "tier.count"]
all.tiers["B", "tier.count"]

# delete tiers
tierNames <- c("A", "B")
x<- examplecorpus
x <- act::tiers_delete(examplecorpus, tierNames=tierNames)
x@history[length(x@history)]

# tiers 'A' and 'B' do not occur anymore
act::info(x)$tiers$tier.name