Results 141 to 150 of about 27,531 (299)
Accuracy of occurrence and abundance estimates from insect metabarcoding
Methods in Ecology and Evolution, EarlyView.Abstract DNA metabarcoding—high‐throughput sequencing of barcode regions from bulk samples—has become a key tool for insect biodiversity assessment. Yet, how methodological choices affect the accuracy of metabarcoding data remains insufficiently explored. In this paper, we ask: (1) How does the lysis method (non‐destructive lysis vs.
Ela Iwaszkiewicz‐Eggebrecht +12 more
wiley +1 more source
BIMr2: Inference of migration rates and their drivers from multilocus genotypes
Methods in Ecology and Evolution, EarlyView.Abstract Understanding how environmental factors drive recent migration is crucial for predicting species' responses to habitat change and for informing conservation strategies. There is one method available (BIMr) aimed at identifying the environmental factors associated with migration patterns using genetic data.
Igor J. Chybicki +2 more
wiley +1 more source
The Stationery Distribution of Wealth with Random Shocks [PDF]
A convergence model with wealth accumulation subject to i.i.d. random shocks is examined. The transfer function shows what k_{t+1} - wealth at t+1 - would be, given k_t, with no shock: It has a positive slope, but its concavity/convexity is indeterminate.
Christopher Bliss
core
Mitigating policy uncertainty: What financial markets reveal about firm‐level lobbying
American Journal of Political Science, EarlyView.Abstract Elections can lead to substantial policy changes and, thus, are a significant source of risk. Firms can respond to such policy uncertainty by lobbying, but it is hard to quantify whether they do so and, if so, how much lobbying benefits them. We construct a new dataset and leverage investors’ expectations of variability in stock returns in the
Kristy Buzard +2 more
wiley +1 more source
Measuring the dispersion of rainfall using Bayesian confidence intervals for coefficient of variation of delta-lognormal distribution: a study from Thailand. [PDF]
PeerJ, 2019 Yosboonruang N +2 more
europepmc +1 more source
A new De Vylder type approximation of the ruin probability in infinite time [PDF]
In this paper we introduce a generalization of the De Vylder approximation. Our idea is to approximate the ruin probability with the one for a different process with gamma claims, matching first four moments.
Aleksander Weron +2 more
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Annals of Public and Cooperative Economics, EarlyView.Abstract Smallholder market participation studies often focus narrowly on selling decisions, overlooking the institutional role of agricultural cooperatives, particularly in contexts like Rwanda, where cooperatives underpin agricultural policy. Consequently, empirical evidence on how cooperative membership shapes farmers’ commercialization across ...
John N. Ng'ombe +3 more
wiley +1 more source
Revista Colombiana de Estadística, 2011 There are several versions of the lognormal distribution in the statistical literature, one is based in the exponential transformation of generalized normal distribution (GN).
Hernández Freddy, Usuga Olga Cecilia
doaj
A lognormal distribution of the lengths of terminal twigs on self-similar branches of elm trees. [PDF]
Proc Biol Sci, 2017 Koyama K, Yamamoto K, Ushio M.
europepmc +1 more source
QLOGNORM: Stata module for diagnostic plots for lognormal distribution
qlognorm plots the quantiles of varname against the quantiles of the corresponding lognormal distribution. plognorm graphs a standardized lognormal probability plot for varname.
Nicholas J. Cox
core