The trouble with stress: A flexible method for the evaluation of nonmetric multidimensional scaling

E Dexter, G Rollwagen‐Bollens… - Limnology and …, 2018 - Wiley Online Library
Nonmetric multidimensional scaling (NMDS) is a powerful statistical tool which enables
complex multivariate data sets to be visualized in a reduced number of dimensions. Users …

Mathematical optimization in classification and regression trees

E Carrizosa, C Molero-Río, D Romero Morales - Top, 2021 - Springer
Classification and regression trees, as well as their variants, are off-the-shelf methods in
Machine Learning. In this paper, we review recent contributions within the Continuous …

Optimal randomized classification trees

R Blanquero, E Carrizosa, C Molero-Río… - Computers & Operations …, 2021 - Elsevier
Abstract Classification and Regression Trees (CARTs) are off-the-shelf techniques in
modern Statistics and Machine Learning. CARTs are traditionally built by means of a greedy …

Unsupervised learning algorithms in big data: an overview

M Zhang - 2022 5th International Conference on Humanities …, 2022 - atlantis-press.com
With the progression of technology, there are more ways to produce complex and spiral data
without signs. For the development of Artificial intelligence, machine learning is generated to …

Bacterial community assemblages in classroom floor dust of 50 public schools in a large city: characterization using 16S rRNA sequences and associations with …

JH Park, AR Lemons, J Roseman, BJ Green… - Microbiome, 2021 - Springer
Characterizing indoor microbial communities using molecular methods provides insight into
bacterial assemblages present in environments that can influence occupants' health. We …

Mycobiota and the contribution of yeasts in floor dust of 50 elementary schools characterized with sequencing internal transcribed spacer region of ribosomal DNA

JH Park, AR Lemons, TL Croston, Y Park… - … science & technology, 2022 - ACS Publications
The assemblage of fungi including unicellular yeasts in schools is understudied. We
conducted an environmental study to characterize fungal communities in classroom floor …

Comparative analysis of metagenomic (amplicon and shotgun) DNA sequencing to characterize microbial communities in household on-site wastewater treatment …

J de Vries, F Saleem, E Li, AWY Chan, J Naphtali… - Water, 2023 - mdpi.com
The performance of on-site wastewater treatment systems (OWTSs) can be improved by
altering digester design and by manipulating environmental variables that affect microbial …

On building online visualization maps for news data streams by means of mathematical optimization

E Carrizosa, V Guerrero, D Hardt, D Romero Morales - Big Data, 2018 - liebertpub.com
In this article we develop a novel online framework to visualize news data over a time
horizon. First, we perform a Natural Language Processing analysis, wherein the words are …