concordance_str: concordance for input text vector
Description
returns concordance text for input pattern and span.
Usage
concordance_str(string, pattern, span = 5)
Arguments
string
input text as character vector or single character
pattern
patterns of central words
span
how many character will be produced around input pattern
References
Church, K. W. and Mercer, R. L. (1993). Introduction to the special issue on computational linguistics using large corpora. Computational Linguistics, 19(1):1-24.