Analysis of monotonic greening and browning trends from global NDVI time-series

R De Jong, S de Bruin, A de Wit… - Remote Sensing of …, 2011 - Elsevier
Remotely sensed vegetation indices are widely used to detect greening and browning
trends; especially the global coverage of time-series normalized difference vegetation index …

Spatial relationship between climatologies and changes in global vegetation activity

R de Jong, ME Schaepman, R Furrer… - Global change …, 2013 - Wiley Online Library
Vegetation forms a main component of the terrestrial biosphere and plays a crucial role in
land‐cover and climate‐related studies. Activity of vegetation systems is commonly …

An O(n 2) Algorithm for Isotonic Regression

O Burdakov, O Sysoev, A Grimvall… - Large-Scale Nonlinear …, 2006 - Springer
We consider the problem of minimizing the distance from a given n-dimensional vector to a
set defined by constraints of the form xi≤ x j. Such constraints induce a partial order of the …

A dual active-set algorithm for regularized monotonic regression

O Burdakov, O Sysoev - Journal of Optimization Theory and Applications, 2017 - Springer
Monotonic (isotonic) regression is a powerful tool used for solving a wide range of important
applied problems. One of its features, which poses a limitation on its use in some areas, is …

Suspended Sediment modeling using sequential minimal optimization regression and isotonic regression algorithms integrated with an iterative classifier optimizer

MJS Safari, SG Meshram, K Khosravi… - Pure and Applied …, 2022 - Springer
Suspended sediment load modeling through advanced computational algorithms is of major
importance and a challenging topic for developing highly accurate hydrological models. To …

Inference for monotone functions under short-and long-range dependence: Confidence intervals and new universal limits

P Bagchi, M Banerjee, SA Stoev - Journal of the American …, 2016 - Taylor & Francis
We introduce new point-wise confidence interval estimates for monotone functions observed
with additive, dependent noise. Our methodology applies to both short-and long-range …

Simultaneous inference for monotone and smoothly time varying functions under complex temporal dynamics

T Luo, W Wu - arXiv preprint arXiv:2310.02177, 2023 - arxiv.org
We propose a new framework for the simultaneous inference of monotone smooth time
varying functions under complex temporal dynamics utilizing the monotone rearrangement …

Data preordering in generalized PAV algorithm for monotonic regression

O Burdakov, A Grimvall, O Sysoev - Journal of Computational Mathematics, 2006 - JSTOR
Monotonic regression (MR) is a least distance problem with monotonicity constraints
induced by a partially ordered data set of observations. In our recent publication [In Ser …

Partially ordered sets: ranking and prediction of substances' properties

G Restrepo, R Bruggemann… - Current computer-aided …, 2011 - ingentaconnect.com
There are at least two significant applications of partial order theory in chemistry: Ranking
methods and substances' properties prediction. In both cases, a set of objects is endowed …

[PDF][PDF] Land Surface Phenology as an indicator of performance of conservation policies like Natura2000

G Sharma - Lund University GEM thesis series, 2016 - lup.lub.lu.se
Considering the growing pressure on various ecosystems all around the world, the
development of ecological indicators for assessing the health and condition of the …