Narrow search
Showing 1 - 10 of 182
Cover Image
Sparse and robust normal and t- portfolios by penalized Lq-likelihood minimization
Giuzio, Margherita; Ferrari, Davide; Paterlini, Sandra - In: European journal of operational research : EJOR 250 (2016) 1, pp. 251-261
Persistent link: https://www.econbiz.de/10011441400
Cover Image
Easy, reliable method for mid-term demand forecasting based on the Bass model : a hybrid approach of NLS and OLS
Hong, Jungsik; Koo, Hoonyoung; Kim, Taegu - In: European journal of operational research : EJOR 248 (2016) 2, pp. 681-690
Persistent link: https://www.econbiz.de/10011409746
Cover Image
A characterization of the Logarithmic Least Squares Method
Csató, László - In: European journal of operational research : EJOR 276 (2019) 1, pp. 212-216
Persistent link: https://www.econbiz.de/10011997888
Cover Image
A penalized method for multivariate concave least squares with application to productivity analysis
Keshvari, Abolfazl - In: European journal of operational research : EJOR 257 (2017) 3, pp. 1016-1029
Persistent link: https://www.econbiz.de/10011641383
Cover Image
An improved least squares Monte Carlo valuation method based on heteroscedasticity
Fabozzi, Frank J.; Paletta, Tommaso; Tunaru, Radu - In: European journal of operational research : EJOR 263 (2017) 2, pp. 698-706
Persistent link: https://www.econbiz.de/10011794017
Cover Image
Segmented concave least squares : a nonparametric piecewise linear regression
Keshvari, Abolfazl - In: European journal of operational research : EJOR 266 (2018) 2, pp. 585-594
Persistent link: https://www.econbiz.de/10011811816
Cover Image
Smooth approximations to monotone concave functions in production analysis : an alternative to nonparametric concave least squares
Tsionas, Efthymios G.; Izzeldin, Marwan - In: European journal of operational research : EJOR 271 (2018) 3, pp. 797-807
Persistent link: https://www.econbiz.de/10011903217
Cover Image
A more efficient algorithm for Convex Nonparametric Least Squares
Lee, Chia-yen; Johnson, Andrew L.; Moreno-Centeno, Erick; … - In: European journal of operational research : EJOR 227 (2013) 2, pp. 391-400
Persistent link: https://www.econbiz.de/10009725603
Cover Image
Using least squares and tobit in second stage DEA efficiency analyses
McDonald, John - In: European journal of operational research : EJOR 197 (2009) 2, pp. 792-798
Persistent link: https://www.econbiz.de/10003847837
Cover Image
Robust regression under the general framework of bounded loss functions
Fu, Saiji; Tian, Yingjie; Tang, Long - In: European journal of operational research : EJOR 310 (2023) 3, pp. 1325-1339
Persistent link: https://www.econbiz.de/10014471175