... Computational Linguistics, vol.9, nos.3 and 4, September and December 1966] Historical Change in Language Using Monte Carlo Techniques* by Sheldon Klein, Carnegie Institute of Technology, Pittsburgh, ... In the absence of exact historical detail, one may run a simulation that posits the missing information and perhaps tests for its adequacy in accounting for future HISTORICAL CHANGE IN LANGUAGE ... attained in the later years of each run. The sharp rise in mean frequency weights at the begin- HISTORICAL CHANGE IN LANGUAGE 81 ning of each run is most likely due to the random and independent...