Emerging statistical methods for estimating abundance
Estimating bird abundance : making methods work
... Estimating distances Inability to estimate distances accurately is often cited as a reason for not using distance sampling. We noted above that data may be grouped into distance intervals to reduce this problem; ...
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Comparison of aerial survey methods for estimating abundance of common scoters
... During the month of March, four survey methods were applied to the SPA at Carmarthen Bay. WWT staff carried out visual aerial surveys using distance sampling methodology (Camphuysen et al. 2004). Visual ...
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An overview of statistical methods for estimating critical gap at a roundabout
... [6] Amin, H.J., Maurya A. K.: A review of critical gap estimation approaches at uncontrolled intersection in case of heterogeneous traffic conditions, Journal of Transport Literature, 9(3): 5-9, Jul. 2015, ...
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Evaluation of methods for estimating species richness and abundance of reptiles in olive groves
... 2 Instituto de Agricultura Sostenible (IAS, CSIC), Alameda del Obsinpo s /n, 14080 Córdoba, Spain 3 Corresponding author, e-mail: [email protected] Abstract.—The Mediterranean has a high diversity of herpetofauna, which ...
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Estimating gopher tortoise abundance through design-based and model-based methods
... field methods, the resulting estimates of abundance have shown high ...Alternate methods for abundance and variance estimation that could lower the variance were ...to abundance ...
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Estimating gopher tortoise abundance through design based and model based methods
... field methods, the resulting estimates of abundance have shown high ...Alternate methods for abundance and variance estimation that could lower the variance were ...to abundance ...
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ESTIMATING THE ABUNDANCE OF MOUSE POPULATIONS OF KNOWN SIZE: PROMISES AND PITFALLS OF NEW METHODS
... true abundance, and so must estimate it using a method such as mark–recapture or distance ...in abundance estimation allow one to model heterogeneity with individual covariates or mixture distributions and ...
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Distance sampling methods for estimating the density and/or abundance capture recapture methods spatially explicit capture recapture
... Related Methods), where the object counted is an instantaneous cue such as a bird ...Point-transect methods are used to estimate the density of cues ...other methods for songbirds are considered in ...
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Methods for estimating sperm whale abundance from passive acoustic line transect surveys
... (14) and ¯ r ( x ) is the mean radial distance of the j th interval in {j ( x ) } . This is very messy and complicated!! An alternative is to use ˆ N obs only to estimate mean school size, and to use conventional line ...
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Estimating abundance of African great apes
... The past fifteen years have seen many improvements to methods for storing, extracting, amplifying, and genotyping DNA (reviewed by Beja-Pereira et al. 2009). For example, multiplexing, in which several loci are ...
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Estimating the Optimal Dexketoprofen Pharmaceutical Formulation with Machine Learning Methods and Statistical Approaches
... in this sector in parallel to other working fields. Tree-based models have better predictive results in comparison to other models. GBM and XGBoost yielded better predictive results than other tree-based models. ...
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Statistical methods for forecasting and estimating passenger willingness-to-pay in airline revenue management
... This thesis explores statistical methods for estimating sell-up, or the likelihood of a passenger to purchase a higher fare class than they originally intended, based solely o[r] ...
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Comparison of physical and statistical methods for estimating probable maximum precipitation in southwestern basins of Iran
... a statistical procedure to calculate PMP in the southwest arid regions of ...through statistical analysis of the series of annual maximum 24 hour ...through statistical procedures are more than two ...
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Estimating the Health Effects of Environmental Exposures: Statistical Methods for the Analysis of Spatio-temporal Data
... Our findings add to previous literature in several key ways. First, we investigated the noise-cardiovascular hospitalization relationship across gradients of airport noise ex- posure levels across the largest number of ...
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Evaluating and extending statistical methods for estimating the construct-level predictive validity of selection tests
... Pakistan, emerging evidence suggests that female and highly economically and academically developed districts score higher in Medical and Dental Colleges Entrance Tests (Khan, Tabasum, and Mukhtar, ...
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Estimating and adjusting for ancestry admixture in statistical methods for relatedness inference, heritability estimation, and association testing
... Abstract It is well known that genetic association studies are not robust to population stratification. Two widely used approaches for the detection and correction of population structure are principal component analysis ...
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Alternative statistical methods for estimating efficacy of interferon beta-1b for multiple sclerosis clinical trials
... extended methods of survival analysis for time-to-event data have been proposed, and such methods are useful when study subjects experience 2 or more ...these methods have not generally been applied ...
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Statistical framework for estimating GNSS bias
... The probability density function and cumulative density function estimates for the coincident vertical TEC differ- ences are shown in Fig. 5. The new method results in signifi- cantly more < 1 TEC unit differences than ...
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New and Emerging Methods
... international statistical community. At the recent Joint Statistical Meeting and the World Statistics Congress a number of Big Data sessions were ...are emerging. Together, the statistical ...
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Statistical Methods in Geodesy
... Then, you compute the mean and variance for any estimated parameter from these n results: M −1 , M −2 , . . . , M −(n−1) , M −n . It turns out that the mean is an unbiased estimator of the pa- rameter mean, and the ...
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