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def label _ vectorizer ( labels , tag _ map ) : Convert list of label strings to padded label IDs using
def labelvectorizerlabels tagmap:
Convert list of label strings to padded label IDs using a tag mapping.
Parameters:
labels list of str: List of label strings.
tagmap dict: Dictionary mapping tags to IDs.
Returns:
labelids numpyndarray: Padded array of label IDs.
labelids # It can't be a numpy array yet, since each sentence has a different size
### START CODE HERE ###
# Each element in labels is a string of tags so for each of them:
for element in labels:
# Split it into single tokens. You may use split function for strings. Be aware to split it by a blank space!
tokens None
# Use the dictionaty tagmap passed as an argument to the labelvectorizer function
# to make the correspondence between tags and numbers.
elementids None
for token in tokens:
elementids.appendNone
# Append the found ids to corresponding to the current element to labelids list
labelids.appendNone
labelids nparrayelementids
# Pad the elements
labelids None
### END CODE HERE ###
return labelids
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