Results 51 to 60 of about 693,971 (210)
Social Sciences and Humanities OpenMathematics holds universal significance, playing a pivotal role across diverse disciplines in our daily lives. Its impact is crucial for societal development, with mathematics acting as a cornerstone.
Joshua Kai Dossey +2 more
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, 2016 We provide some asymptotic theory for the largest eigenvalues of a sample covariance matrix of a p-dimensional time series where the dimension p = p_n converges to infinity when the sample size n increases.
Davis, Richard +3 more
core +1 more source
Some stylized facts of the Bitcoin market [PDF]
, 2017 In recent years a new type of tradable assets appeared, generically known as cryptocurrencies. Among them, the most widespread is Bitcoin. Given its novelty, this paper investigates some statistical properties of the Bitcoin market.
Bariviera, Aurelio F. +3 more
core +3 more sources
Generalized Perron--Frobenius Theorem for Nonsquare Matrices [PDF]
, 2013 The celebrated Perron--Frobenius (PF) theorem is stated for irreducible nonnegative square matrices, and provides a simple characterization of their eigenvectors and eigenvalues. The importance of this theorem stems from the fact that eigenvalue problems
Avin, Chen +6 more
core
The EFM approach for single-index models
, 2011 Single-index models are natural extensions of linear models and circumvent the so-called curse of dimensionality. They are becoming increasingly popular in many scientific fields including biostatistics, medicine, economics and financial econometrics ...
Cui, Xia +2 more
core +1 more source
Testing exogeneity in the bivariate probit model: Monte Carlo evidence and an application to health economics [PDF]
, 2004 Many economic applications involve the modeling of a binary variable as simultaneously determined with one of its dycotomous regressors. In this paper we deal with a prominent health economics case study, that of cesarean section delivery utilization ...
Fabbri, Daniele +2 more
core +3 more sources
The Role of Statistics in Economic Research
Статистика України, 2015 The article reviews the establishment of economic statistics as an economic science rather than an auxiliary mathematical tool for economic research, as it was for a long time.
О. A. Shevchuk
doaj
Scientific DataTo address the scarcity of small-area datasets focused on economic inclusion, we created a harmonised dataset describing the extent and enablers of economic inclusion in Great Britain.
Hugh P. Rice +4 more
doaj +1 more source
AgriEngineeringThis study introduces a novel graph-based innovative trend analysis (GBITA) technique for detecting trends in time series data, thus fundamentally challenging conventional assumptions in trend assessment.
Chalissery Mincy Thomas, Archana Nair
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Statistics and EconomicsThe relevance of the study involves the regular collection and accumulation of statistical data from commercial organizations engaged in activities in the field of film demonstration; their study and synthesis help to examine the work of business entities from different angles and draw appropriate conclusions.
O. G. Konyukova, A. N. Lukash
openaire +2 more sources