linear regression


linear regression
tiesinė regresija statusas T sritis biomedicinos mokslai apibrėžtis ↑Regresijos rūšis, rodanti, kad priklausomo ↑kintamojo vidutinės reikšmės kinta proporcingai, lyginant su nepriklausomais kintamaisiais. Priklausomo kintamojo vidutinių reikšmių ir nepriklausomų kintamųjų ryšį išreiškia tiesinė lygtis. Lygties koeficientai rodo ryšio stiprumą tarp priklausomo kintamojo ir atitinkamo nepriklausomo kintamojo. Taikant tiesinę regresiją, priklausomais kintamaisiais pasirenkami tokie kintamieji, kurių reikšmių pasiskirstymas panašus į ↑normalųjį skirstinį. Pavyzdžiui, galima analizuoti sistolinio arba diastolinio arterinio kraujospūdžio priklausomybę nuo amžiaus, svorio ir kitų kintamųjų. atitikmenys: angl. linear regression šaltinis Pagrindinės epidemiologijos sąvokos : mokomasis žodynas / Kauno medicinos universitetas ; [sudarytojas Vilius Grabauskas ; parengė Jūratė Klumbienė, Janina Petkevičienė, Abdonas Tamošiūnas, Vilius Grabauskas, Irena Misevičienė, Žemyna Milašauskienė, Žilvinas Padaiga, Linas Šumskas, Apolinaras Zaborskis, Stanislova Domarkienė, Juozas Dudzevičius]. – Kaunas : KMU Spaudos ir leidybos centro l-kla, 2001

Lithuanian dictionary (lietuvių žodynas). 2015.

Look at other dictionaries:

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  • linear regression — noun the relation between variables when the regression equation is linear: e.g., y = ax + b • Syn: ↑rectilinear regression • Topics: ↑statistics • Hypernyms: ↑regression, ↑simple regression, ↑ …   Useful english dictionary

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  • linear regression — simple regression, finding a direct equation that fulfills or approaches the results of a sample in order to find simple variables that explain the result of the sample …   English contemporary dictionary

  • linear regression — noun Date: 1958 the process of finding a straight line (as by least squares) that best approximates a set of points on a graph …   New Collegiate Dictionary

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  • linear regression — least squares line The process of finding a line of best fit to a graph on which the values of two variables are plotted in pairs. The line of best fit is computed mathematically, so that the squares of the divergence of the plots from the line… …   Accounting dictionary

  • linear regression analysis — Statistics. regression analysis in which the dependent variable is assumed to be linearly related to the independent variable or variables. Also called linear regression. * * * …   Universalium


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