Data Nonlinearity in Exploratory Multivariate Analysis of Language Corpora

Da ta n o n lin e a r ity in e x p lo r a to r y m u ltiv a r ia te a n a ly s is o f la n g u a g e c o r p o r a A b s tr a c t D a ta n o n lin e a rity h a s h is to ric a lly n o t b e e n a n d c u r re n tly is n o t a n is s u e in w o r k o n e x p lo r a to r y m u ltiv a ria te a n a ly s is o f la n g u a g e c o r p o ra. H o w e v e r, th e p r e s e n c e o f n o n lin e a r ity in d a ta h a s a fu n d a m e n ta l b e a r in g o n th e c o n d u c t o f e x p lo ra to ry a n a ly s is. T h e firs t p a r t o f th e d is c u s s io n e x p la in s w h y th is is s o in p rin c ip le , a n d th e s e c o n d e x e m p lif ie s th e e x p la n a tio n v ia e x p lo r a to r y a n a ly s is o f th e Ne w c a s tle E le c tr o n ic C o r p u s o f T y n e s id e E n g lis h (N E C T E), a n h is to ric a l s p e e c h c o r p u s. T h e c o n c lu s io n is th a t d a ta s h o u ld b e s c r e e …