bibtype |
J -
Journal Article
|
ARLID |
0444162 |
utime |
20240103210104.7 |
mtime |
20150609235959.9 |
WOS |
000356731300069 |
SCOPUS |
84934949836 |
DOI |
10.1073/pnas.1505882112 |
title
(primary) (eng) |
Sample and population exponents of generalized Taylor’s law |
specification |
page_count |
16 s. |
media_type |
E |
|
serial |
ARLID |
cav_un_epca*0257500 |
ISSN |
0027-8424 |
title
|
Proceedings of the National Academy of Sciences of the United States of America |
volume_id |
112 |
volume |
25 (2015) |
page_num |
7755-7760 |
publisher |
name |
National Academy of Sciences |
|
|
keyword |
fluctuation scaling |
keyword |
multiplicative growth |
keyword |
power law |
keyword |
environmental stochasticity |
keyword |
Markovian environment |
author
(primary) |
ARLID |
cav_un_auth*0314085 |
name1 |
Giometto |
name2 |
A. |
country |
CH |
share |
20 |
|
author
|
ARLID |
cav_un_auth*0316935 |
name1 |
Formentin |
name2 |
Marco |
full_dept (cz) |
Stochastická informatika |
full_dept |
Department of Stochastic Informatics |
department (cz) |
SI |
department |
SI |
institution |
UTIA-B |
full_dept |
Department of Stochastic Informatics |
share |
20 |
fullinstit |
Ústav teorie informace a automatizace AV ČR, v. v. i. |
|
author
|
ARLID |
cav_un_auth*0317332 |
name1 |
Rinaldo |
name2 |
A. |
country |
CH |
|
author
|
ARLID |
cav_un_auth*0317333 |
name1 |
Cohen |
name2 |
J. |
country |
US |
share |
20 |
|
author
|
ARLID |
cav_un_auth*0317334 |
name1 |
Maritan |
name2 |
A. |
country |
IT |
share |
20 |
|
source |
|
cas_special |
project |
project_id |
GAP201/12/2613 |
agency |
GA ČR |
ARLID |
cav_un_auth*0291241 |
|
abstract
(eng) |
Taylor’s law (TL) states that the variance V of a nonnegative random variable is a power function of its mean M; i.e., V =aM^b. TL has been verified extensively in ecology, where it applies to population abundance, physics, and other natural sciences. Its ubiquitous empirical verification suggests a context-independent mechanism. Sample exponents b measured empirically via the scaling of sample mean and variance typically cluster around the value b=2. Some theoretical models of population growth, however, predict a broad range of values for the population exponent b pertaining to the mean and variance of population density, depending on details of the growth process. Is the widely reported sample exponent b=2 the result of ecological processes or could it be a statistical artifact? Here, we apply large deviations theory and finite-sample arguments to show exactly that in a broad class of growth models the sample exponent is b=2 regardless of the underlying population exponent. |
reportyear |
2016 |
RIV |
BA |
num_of_auth |
5 |
inst_support |
RVO:67985556 |
permalink |
http://hdl.handle.net/11104/0247117 |
cooperation |
ARLID |
cav_un_auth*0316939 |
name |
University of Padova |
country |
IT |
|
cooperation |
ARLID |
cav_un_auth*0316940 |
name |
École Polytechnique Fédérale de Lausanne |
country |
CH |
|
cooperation |
ARLID |
cav_un_auth*0316941 |
name |
The Rockefeller University |
country |
US |
|
confidential |
S |
mrcbT16-e |
MULTIDISCIPLINARYSCIENCES |
mrcbT16-j |
4.682 |
mrcbT16-s |
6.814 |
mrcbT16-4 |
Q1 |
mrcbT16-B |
87.814 |
mrcbT16-C |
94.444 |
mrcbT16-D |
Q1 |
mrcbT16-E |
Q1 |
arlyear |
2015 |
mrcbU14 |
84934949836 SCOPUS |
mrcbU34 |
000356731300069 WOS |
mrcbU63 |
cav_un_epca*0257500 Proceedings of the National Academy of Sciences of the United States of America 0027-8424 1091-6490 Roč. 112 č. 25 2015 7755 7760 National Academy of Sciences |
|