# steepsest

## Portuguese translation: mais íngreme

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 English term or phrase: steepest Portuguese translation: mais íngreme Entered by:

 11:40 Jan 30, 2008
English to Portuguese translations [PRO]
Tech/Engineering - Mathematics & Statistics
 English term or phrase: steepsest Parameter Estimation Click the OK button on the Multidimensional Scaling Startup Panel to display the Parameter Estimation dialog. Multidimensional Scaling is an implementation of nonmetric multidimensional scaling. After determining the starting configuration (e.g., via principal components analysis) STATISTICA will begin iterations under steepest descent (see, for example, Schiffman, Reynolds, and Young, 1981). The goal of these iterations is to minimize the raw stress (or raw Phi) and the coefficient of alienation (see Guttman, 1968). The raw stress is defined as: Phi=S[dij-f(dij)]2 where dij are the reproduced distances, given the current number of dimensions, and f(dij) represents the monotone transformation of the observed input data dij (deltaij). The coefficient of alienation K is defined as: K=[1-{Sdij*dij}2/S(dij2)*S(dij2)]½ In general, STATISTICA will attempt to minimize the differences between the reproduced distances and a monotone transformation of the input data, that is, the program will attempt to reproduce the rank-ordering of the input distances or similarities (hence, also the name nonmetric multidimensional scaling). Note that under steepest descent the fitted values are calculated via the rank-image permutation procedure (see Guttman, 1968; or Schiffman, Reynolds, & Young, 1981, pp. 368-369). After each iteration under steepest descent the program will perform up to five iterations using the monotone regression transformation procedure (see Kruskal, 1964; or Schiffman, Reynolds, & Young, 1981, pp. 367-368). This procedure is aimed at minimizing the standardized stress (S):
Selected response from:

Ben Kohn
United Kingdom

 Ben Kohn

10 mins   confidence:
steepest

Explanation:

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Note added at 12 mins (2008-01-30 11:52:17 GMT)
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Correção: íngrEme ... sorry

 Ben KohnUnited KingdomNative speaker of: EnglishPRO pts in category: 4

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