Results 31 to 40 of about 50,597 (276)

CORRELATION RELATIONS OF CARISES AND SOCIO-HYGIENIC FACTORS

open access: yesПроблеми екології та медицини, 2019
There is a demand in statistical processing of questionnaire data and objective screening of children with the usage of correlation analysis as well as interview with parents in order to increase their awareness about caries prevention and lifestyle. The
L. F. Kaskova   +3 more
doaj   +1 more source

Revisiting the correlation between stellar activity and planetary surface gravity [PDF]

open access: yes, 2014
Aims: We re-evaluate the correlation between planetary surface gravity and stellar host activity as measured by the index log($R'_{HK}$). This correlation, previously identified by Hartman (2010), is now analyzed in light of an extended measurements ...
Adibekyan, V. Zh.   +3 more
core   +1 more source

Reproducibility and relative validity of a newly developed web-based food-frequency questionnaire for assessment of preconception diet

open access: yesBMC Nutrition, 2019
Background The importance of diet and nutrition during preconception age is a window of opportunity to promote future parental and transgenerational health.
L. Salvesen   +4 more
doaj   +1 more source

Spaced seeds improve k-mer-based metagenomic classification [PDF]

open access: yes, 2015
Metagenomics is a powerful approach to study genetic content of environmental samples that has been strongly promoted by NGS technologies. To cope with massive data involved in modern metagenomic projects, recent tools [4, 39] rely on the analysis of k ...
Brinda, Karel   +2 more
core   +2 more sources

Holding Company and Its Performance

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2014
Research projects on the performance of companies search for the relationships between the methods of managing a company and the results. This paper presents a research on holding companies.
David Ficbauer, Mária Režňáková
doaj   +1 more source

Similarity analysis using rank in till geochemistry [PDF]

open access: yesBulletin of the Geological Society of Finland, 1991
A similarity analysis method based on Spearman's rank correlation coefficient (p) was developed aiming to indirectly measure the similarity between the geochemistry of till and bedrock. The study area lies in Central Finland, comprising c.
J. Mäkinen
doaj   +1 more source

An Analysis of Complementarity of Wind and Solar Energy Resources in West Jilin

open access: yesGaoyuan qixiang, 2022
Wind and solar energy resources show a daily and seasonal fluctuation trend, which puts high pressure on grid dispatching and has become a huge problem that hinders the connection of clean energy to the grid.Based on the whole year measured data of ...
Jieru WANG   +3 more
doaj   +1 more source

On Testing Significance of the Multivariate Rank Correlation Coefficient

open access: yesActa Universitatis Lodziensis. Folia Oeconomica, 2018
The Spearman’s rho is a measure of the strength of the association between two variables. There are some extensions of this coefficient for the multivariate case.
Grzegorz Kończak
doaj   +1 more source

Ranking of Vojvodina municipalities according to multidimensional denominator of livestock production commodities [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2003
Marketability of livestock production was analyzed based on the marketability of both pork, beef, sheep and poultry and eggs and cow's milk. The sequential order of the Vojvodina municipalities according to the observed denominators is not identical. But,
Lakić Nada S., Stevanović Simo V.
doaj   +1 more source

The capability of capacitive sensors in the monitoring relative humidity in hypogeum environments [PDF]

open access: yes, 2018
Hypogeum environments are characterized by high levels of relative humidity (RH). Most humidity sensors currently in use are based on the capacitive effect of the dielectric material to change according to water vapour uptake.
Caratelli, A, Frasca, F, Siani, Am
core   +1 more source

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