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Comparison Of Least Squares, Ridge Regression And Principal Component Approaches In The Presence Of Multicollinearity In Regression Analysis

Cankaya, S.; Eker, S.; Abaci, S.H. (2019)

The aim of this study was to compare estimation methods: least squares method (LS), ridge regression (RR), Principal component regression (PCR) to estimate the parameters of multiple regression model in situations when ...
Genetic Polymorphism Of Stat1 And Stat5A Genes In Holstein, Jersey, And Indigenous Cattle Breeds In Turkishkey

Cobanoglu, O.; Kul, E.; Abaci, S.H.; Gurcan, E.K.; Cankaya, S. (2020)

This study aimed to determine genetic polymorphism in STAT1 and STAT5A genes for dairy cattle and some native cattle breeds in Turkishkey. 283 Jersey and a total of 472 Holstein cows from two different herds and 93 ...