nlp_ner_chunker | R Documentation |
Spark ML transformer that extracts phrases that fit into a known pattern using the NER tags See https://nlp.johnsnowlabs.com/docs/en/licensed_release_notes#1-nerchunker
nlp_ner_chunker( x, input_cols, output_col, regex_parsers = NULL, uid = random_string("ner_chunker_") )
x |
A |
input_cols |
Input columns. String array. |
output_col |
Output column. String. |
regex_parsers |
A list of regex patterns to match chunks, for example: Array(“‹DT›?‹JJ›*‹NN›”) |
uid |
A character string used to uniquely identify the ML estimator. |
The object returned depends on the class of x
.
spark_connection
: When x
is a spark_connection
, the function returns an instance of a ml_estimator
object. The object contains a pointer to
a Spark Estimator
object and can be used to compose
Pipeline
objects.
ml_pipeline
: When x
is a ml_pipeline
, the function returns a ml_pipeline
with
the NLP estimator appended to the pipeline.
tbl_spark
: When x
is a tbl_spark
, an estimator is constructed then
immediately fit with the input tbl_spark
, returning an NLP model.
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