A comparison of weighted least square estimation and ordinary least square estimation for analysing weight-length relationship of Por’s Goatfish (Upeneus pori Ben-Tuvia & Golani, 1989) in Iskenderun bay

Journal of Applied Biological Sciences

Mustafa AKAR¹  Sedat GÜNDOĞDU¹ 

关键词: Weighted Least Square;    Ordinary Least Square;    Upeneus pori;    Population Dynamics;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

Aweightedleastsquare(WLS)andordinaryleastsquare(OLS)approachforanalysingfishlength-weightrelationships,wasapplied.Wereviewedandcomparedtworegressionmethodsusedinstatisticstoreconstructlength-weightrelationshipfromPor’sGoatfish(UpeneusporiBen-TuviaGolani,1989)length-weightdatainIskenderunBay.Thiscomparisonreliesonasuiteofregressionmodelverificationstatisticstovalidatetheaccuracyofthelength-weightrelationshipproducedbythebestmodel.TheresultsindicateWLSmayperformslightlybetterinheteroscedasticdata;conversely,OLSmayperformslightlybetterwhenthedataishomoscedastic.

【 授权许可】

Unknown