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regressionmore about regression

regression


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Regression  \Re*gres"sion\  (r?*gr?sh"?n),  n.  [L.  regressio:  cf 
  F.  r['e]gression.] 
  The  act  of  passing  back  or  returning;  retrogression; 
  retrogradation.  --Sir  T.  Browne. 
 
  {Edge  of  regression}  (of  a  surface)  (Geom.),  the  line  along 
  which  a  surface  turns  back  upon  itself  --  called  also  a 
  {cuspidal  edge}. 
 
  {Regression  point}  (Geom.),  a  cusp. 
 
  From  WordNet  r  1.6  [wn]: 
 
  regression 
  n  1:  an  abnormal  state  in  which  development  has  stopped 
  prematurely  [syn:  {arrested  development},  {fixation},  {infantile 
  fixation}] 
  2:  a  defense  mechanism  in  which  you  flee  from  reality  by 
  assuming  a  more  infantile  state 
  3:  the  relation  between  selected  values  of  x  and  observed 
  values  of  y  (from  which  the  most  probable  value  of  y  can 
  be  predicted  for  any  value  of  x)  [syn:  {simple  regression}, 
  {regression  toward  the  mean}] 
  4:  returning  to  a  former  state  [syn:  {regress},  {reversion},  {retrogression}, 
  {retroversion}] 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  regression 
 
  1.    A  mathematical  method  where  an  {empirical 
  function}  is  derived  from  a  set  of  experimental  data. 
 
  2.  {regression  testing}. 
 
  (1995-03-14) 
 
 




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