Communications in Mathematics and Statistics
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Semi-Functional Partial Linear Quantile Regression Model with Randomly Censored Responses
Communications in Mathematics and Statistics - - 2024
Censored data with functional predictors often emerge in many fields such as
biology, neurosciences and so on. Many efforts on functional data analysis (FDA)
have been made by statisticians to effectively handle such data. Apart from
mean-based regression, quantile regression is also a frequently used technique
to fit sample data. To combine the strengths of quantile regression and
classical FDA m...
Regression Estimation for Longitudinal Data with Nonignorable Intermittent Nonresponse and Dropout
Communications in Mathematics and Statistics - Tập 10 Số 3 - Trang 383-411 - 2022
Mean-Field Maximum Principle for Optimal Control of Forward–Backward Stochastic Systems with Jumps and its Application to Mean-Variance Portfolio Problem
Communications in Mathematics and Statistics - Tập 3 - Trang 163-186 - 2015
We study mean-field type optimal stochastic control problem for systems governed
by mean-field controlled forward–backward stochastic differential equations with
jump processes, in which the coefficients depend on the marginal law of the
state process through its expected value. The control variable is allowed to
enter both diffusion and jump coefficients. Moreover, the cost functional is
also of ...
Erratum to: A Donsker Delta Functional Approach to Optimal Insider Control and Applications to Finance
Communications in Mathematics and Statistics - Tập 3 - Trang 535-540 - 2015
Erratum Concerning Incorrect Received Dates in Eight Articles
Communications in Mathematics and Statistics - Tập 1 - Trang 491-493 - 2013
Accessing Individual Students Academic Performance Using Random Effect Analysis (Multilevel Analysis)
Communications in Mathematics and Statistics - Tập 4 - Trang 341-357 - 2016
Sometimes, people with interest in measuring quality of education take into
account level in academic performance and various associated factors. Usually,
an average academic performance is an accustomed way of assessment; however,
this study examines on individual basis different factors that might have an
impact on the academic performance of undergraduate students. Data on the
semester weighted...
On Spatio-Temporal Model with Diverging Number of Thresholds and its Applications in Housing Market
Communications in Mathematics and Statistics -
On Some Results in the Theory of Finite Partially Soluble Groups
Communications in Mathematics and Statistics - - 2016
This article provides an overview of some recent results and ideas related to
the study of finite groups depending on the restrictions on some systems of
their sections. In particular, we discuss some properties of the lattice of all
subgroups of a finite group related with conditions of permutability and
generalized subnormality for subgroups. The paper contains more than 30 open
problems which w...
On a Discriminator for the Polynomial $$f(x)=x^3+x$$
Communications in Mathematics and Statistics - - Trang 1-14 - 2023
Let $$\Delta (n)$$ denote the smallest positive integer m such that
$$a^3+a(1\leqslant a\leqslant n)$$ are pairwise distinct modulo m. The purpose
of this paper is to determine $$\Delta (n)$$ for all positive integers n....
Modified Almost Unbiased Liu Estimator in Linear Regression Model
Communications in Mathematics and Statistics - Tập 5 - Trang 261-276 - 2017
In this paper, we propose a new biased estimator namely modified almost unbiased
Liu estimator by combining almost unbiased Liu estimator (AULE) and ridge
estimator (RE) in a linear regression model when multicollinearity presents
among the independent variables. Necessary and sufficient conditions for the
proposed estimator over the ordinary least square estimator, RE, AULE and Liu
estimator (LE)...
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