Search Results - "Zeng, Guoping"

A comprehensive study of coefficient signs in weighted logistic regression by Zeng, Guoping

“…In this paper, we explore the coefficient signs in weighted logistic regression, a variation of logistic regression that includes positive weights and is…”
Get full text

Entrepreneurial effect of rural return migrants: Evidence from China by Bao, Anze, Pang, Gefeng, Zeng, Guoping

“…Entrepreneurship is an important means of economic development. Rural migrant workers returning home to start their own businesses can promote employment,…”
Get full text

A Generalized Linear Transformation and Its Effects on Logistic Regression by Zeng, Guoping, Tao, Sha

“…Linear transformations such as min–max normalization and z-score standardization are commonly used in logistic regression for the purpose of scaling. However,…”
Get full text

Fluid inclusions, H-O-S-Pb isotopes, and Rb-Sr geochronology of the Augaro gold deposit, West Eritrea, NE Africa: Implications for ore genesis by Zeng, Guoping, Xiang, Wenshuai, Zhang, Zicheng, Wang, Jianxiong, Jiang, Junsheng, Wu, Fafu

“…Northeast Africa is an emerging world-class gold province due to the numerous lode gold deposits with Au resources of over 43 Moz discovered in the Nubian…”
Get full text

Structural Control of the Getang Carlin-Type Gold Deposit in Southwest China by Zeng, Guoping, Hu, Xinlu, Luo, Diwei, Liu, Jianzhong, Yao, Shuzhen, Jin, Yongjie

“…The Getang is a representative Carlin-type gold deposit in Southwest China. It has a proven reserve of about 30 tonnes at an average grade of 5.1 g/t Au. The…”
Get full text

Structures of the Zhazixi Sb–W deposit, South China: Implications for ore genesis and mineral exploration by Zeng, Guoping, Gong, Yongjun, Wang, Zhaofei, Hu, Xinlu, Xiong, Suofei

“…The Zhazixi Sb–W deposit is located in the Xuefeng uplift belt, South China. It is a structurally controlled hydrothermal vein-type deposit with unique metal…”
Get full text

Metric Divergence Measures and Information Value in Credit Scoring by Zeng, Guoping

“…Recently, a series of divergence measures have emerged from information theory and statistics and numerous inequalities have been established among them…”
Get full text

Petrogenesis of the Newly Discovered Neoproterozoic Adakitic Rock in Bure Area, Western Ethiopia Shield: Implication for the Pan-African Tectonic Evolution by Junsheng Jiang, Wenshuai Xiang, Peng Hu, Yulin Li, Fafu Wu, Guoping Zeng, Xinran Guo, Zicheng Zhang, Yang Bai

“…The Neoproterozoic Bure adakitic rock in the western Ethiopia shield is a newly discovered magmatic rock type. However, the physicochemical conditions during…”
Get full text

A simple “spraying” fluorescence‐guided surgery by AIE probes for liver tumor resection through configuration‐induced cross‐identification by Chen, Didi, Xiao, Tian, Wang, Liangjie, Chen, Sijie, Kam, Chuen, Zeng, Guoping, Peng, Li, Zhang, Jinxiang, Li, Min, Dong, Yuping

“…Surgical resection is the preferred option for hepatocellular carcinoma (HCC), but surgical navigation technology using indocyanine green still has some…”
Get full text

Visual detection of melamine in milk samples based on label-free and labeled gold nanoparticles by Huang, Hui, Li, Li, Zhou, Guohua, Liu, Zhihong, Ma, Qiao, Feng, Yuqi, Zeng, Guoping, Tinnefeld, Philip, He, Zhike

“…Melamine that can cause serious damage to the organs of animal or human beings was found to bind to polythymine via hydrogen bonding. With this novel…”
Get full text

Structures and Implications for Fluid Migration in the Jiadi Carlin‐Type Gold Deposit, Guizhou Province, Southwest China by Zeng, Guoping, Luo, Diwei, Gong, Yongjun, Hu, Xinlu, Li, Hang

“…The Jiadi gold deposit is a newly discovered Carlin‐type gold deposit in the Guizhou Province, Southwest China. This deposit is structurally controlled by a…”
Get full text

On the confusion matrix in credit scoring and its analytical properties by Zeng, Guoping

“…Confusion Matrix is an important measure to evaluate the accuracy of credit scoring models. However, the literature about Confusion Matrix is limited. The…”
Get full text

Role of active oxygen species in the liquid-phase photocatalytic degradation of RhB using BiVO 4 /TiO 2 heterostructure under visible light irradiation by Hu, Yin, Li, Danzhen, Wang, Huibin, Zeng, Guoping, Li, Xionghui, Shao, Yu

Get full text

On impurity functions in decision trees by Zeng, Guoping

Get full text

On the analytical properties of category encodings in logistic regression by Zeng, Guoping

“…Categorical variables cannot be handled directly by logistic regression. Rather, they must be encoded or converted into continuous variables. Numerous category…”
Get full text

A graphic and tabular variable deduction method in logistic regression by Zeng, Guoping

“…Logistic regression assumes linearity between independent variables and log odds. Currently, there are two methods to check the linearity as part of variable…”
Get full text

On the existence of maximum likelihood estimates for weighted logistic regression by Zeng, Guoping

“…The problems of existence and uniqueness of maximum likelihood estimates for logistic regression were completely solved by Silvapulle in 1981 and Albert and…”
Get full text

A comparison study of computational methods of Kolmogorov-Smirnov statistic in credit scoring by Zeng, Guoping

“…Kolmogorov-Smirnov statistic (KS) is a standard measure in credit scoring. Currently, there are three computational methods of KS: method with equal-width…”
Get full text

Invariant properties of logistic regression model in credit scoring under monotonic transformations by Zeng, Guoping

“…Monotonic transformations of explanatory continuous variables are often used to improve the fit of the logistic regression model to the data. However, no…”
Get full text

On the relationship between multicollinearity and separation in logistic regression by Zeng, Guoping, Zeng, Emily

“…Multicollinearity and separation are two major issues in logistic regression. In this paper, for the first time we study the relationship between…”
Get full text