Sampling; Language corpus; Sprachkorpus; Datensammlung; Data collection; Textkorpus (method.) ; Text corpus (method.) ; Corpus linguistics ; Quantitative Linguistik; Mathematical linguistics ; Language statistics ; Frequency (statistics) ; Worthäufigkeit; Häufigkeitsliste; Frequency list; Frequency (lex.) ; Word frequency ; Validity (method.) ; Evaluation criterion (method.)