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Multicollinearity Problem and Bias Estimates in Japanese Quail
Mustafa Sahin1,*, Esra Yavuz1 and Fatih Uckardes2
...was analyzed. Due to the multicollinearity between independent variables, the standard errors and VIF values of the partial regression coefficients in the LS method were found to be quite high. Therefore, the RR and PCR methods were used as an alternative to LS. Compared with LS, PCR and RR led to small standard deviations and more accurate and more reliable partial regression coefficients. As a result, it was concluded that the use of RR and PCR analysis meth...
Use of Factor Scores in Multiple Regression for Predicting Live Weight in Indigenous Savak Akkaraman Lambs

 Adile Tatliyer1,*, Sinan Bas1 and Serdar Yagci2

 

...ar regressions to remove multicollinearity problem. Morphological data obtained from 159 lambs were subjected to Kaiser-Meyer-Olkin (KMO) and Bartlett’s Sphericity tests to ascertain the suitability of factor score analysis. A result showed that implementation of factor analysis was appropriate for the studied data set at each period. At each period, factors whose eigenvalues which is the characteristic roots of a square matrix with p×p
A Statistical Study of the Determinants of Rice Crop Production in Pakistan

Muhammad Akbar Ali Shah1, Gamze Özel2, Christophe Chesneau3, Muhammad Mohsin4, Farrukh Jamal5* and Muhammad Faheem Bhatti6 

...also applied to test the multicollinearity. The VIF values of independent variables in Model I indicate the presence of multicollinearity and Durbin-Watson test shows autocorrelation in Model I whereas Model II is recommended due to the better value of R² with Durbin-Watson test and found no pattern of multicollinearity. The three most important factors that affect the yield per acre ...

Parsa Riaz and Muhammad Naeem*

Digestive Enzymes Activity with Gut Morphometric Parameter of Carnivorous Fish Wallago attu (Siluridae, Siluriformes)
...selected on the basis of multicollinearity and principle component analysis interpretations. Present study mainly reported on overall activity of lipase, amylase and protease of Wallago attu. To the best of our knowledge, this is the first study on Wallago attu related to gut morphometrics that evaluated digestive enzymes with reported literature behalf of their species feeding habits. Gut morphometric parameters included first time in relation to Wallago attu...
An Investigation into Competencies of High School Teachers Teaching Agriculture in Azad Jammu and Kashmir (AJ and K)

Ghulam Qadar* and Khalid Nawab

... multidimensionality and multicollinearity issues in the data to produce valuable components. Results showed that among teaching competencies, 15 variables were analyzed through PCA and five components were extracted. In these components “job management” explained 19.48% variance; four variables of teaching methodological competency were loaded on “job management” component which means that agriculture school teachers possessed high lev...

Sarhad Journal of Agriculture

September

Vol.40, Iss. 3, Pages 680-1101

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