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Comparison of Accelerometry Methods for Estimating Physical Activity
ACTIGRAPH ACCELEROMETER WRIST HIP MACHINE LEARNING SEDENTARY BEHAVIOR
2018/4/24
Purpose This study aimed to compare physical activity estimates across different accelerometer wear locations, wear time protocols, and data processing techniques.
Methods A convenience sample of mid...
Comparison of 2 methods for estimating the prevalences of inadequate and excessive iodine intakes
dietary surveys food content iodine Total Diet Study urinary iodine variability
2018/12/14
Background: Prevalences of iodine inadequacy and excess are usually evaluated by comparing the population distribution of urinary iodine concentration (UIC) in spot samples with established UIC cutoff...
Alternative methods of estimating program effects in event history models
Duration models Duration of dependence
2015/9/18
This paper first investigates the sensitivity of estimates of duration models to the specification of duration dependence. Using data from an experiment involving disadvantaged women in the U.S., we f...
Evaluation of three methods for estimating the Weibull distribution parameters of Chinese pine (Pinus tabulaeformis )
Weibull distribution diameter distribution parameter estimation
2015/3/12
Weibull distribution was used to fit tree diameter data collected from 86 sample plots located in Chinese pine stand in Beijing. To estimate the Weibull distribution parameters, three methods [namely ...
A critical analysis of three near-infrared photometric methods of estimating distances to cataclysmic variables
Stars: novae cataclysmic variables Stars:distances parallaxes Stars:statistics
2011/10/13
A critical analysis of three methods of estimating distances to cataclysmic variables (CVs) is performed. These methods, by Ak et al., Beuermann, and Knigge, all use near-infrared (JHK or Ks) magnitud...
Some methods of estimating uncertainty in accident reconstruction
estimating uncertainty accident reconstruction Gauss statistical method
2011/8/5
Abstract: In the paper four methods for estimating uncertainty in accident reconstruction are discussed: total differential method, extreme values method, Gauss statistical method, and Monte Carlo sim...
Evaluation of some empirical methods of estimating potential evapo-transpiration for determination of length of growing season in a tropical wet and dry climate
Potential evapo-transpiration length of growing season
2011/1/12
A comparison of 4 empirical methods of calculating potential evapo-transpiration (PE) using climatic data for the estimation of length of growing season from rainfall – potential evapo-transpiration m...
Development and Validation of Spectrophotometric Methods for Estimating Amisulpride in Pharmaceutical Preparations
Spectrophotometric Methods Estimating Amisulpride Pharmaceutical Preparations
2010/9/20
Five simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C, D and E) have been developed for estimating Amisulpride in pharmaceutical preparations. These are based on the d...
ON THE GROUND-WATER DISCHARGE TO THE BALTIC SEA AND METHODS FOR ESTIMATING IT
GROUND-WATER DISCHARGE BALTIC SEA METHODS FOR ESTIMATING IT
2009/10/29
The methods for quantitatively estimating ground-water discharge to the
Baltic Sea and the possibilities of applying these methods to investigations
of the role of ground water in the water and salt...
COMPARISON OF THE METHODS OF ESTIMATING MEAN AREAL RAINFALL
COMPARISON METHODS OF ESTIMATING MEAN AREAL RAINFALL
2009/10/29
A comparison of nine different methods of estimating mean areal rainfall
is made. Five areas from three continents of the world are selected for application
of the methods. The methods are utilized ...
COMPARISON OF METHODS FOR ESTIMATING REFERENCE EVAPOTRANSPIRATION IN SOUTHERN CALIFORNIA
California Irrigation Management Information System evapotranspiration
2009/10/12
A significant part of precipitation returns back to the atmosphere by evapotranspiration. Developing formulations aimed at accurately quantifying evapotranspiration over a given region can aid a wide ...
Death distribution methods for estimating adult mortality：Sensitivity analysis with simulated data errors
adult mortality death distribution methods estimation sensitivity analysis simulation
2009/9/14
TThe General Growth Balance (GGB) and Synthetic Extinct Generations (SEG) methods have been widely used to evaluate the coverage of registered deaths in developing countries. However, relatively littl...
Developing Methods for Estimating Forest Areas under Article 3.4 of the Kyoto Protocol:A Case Study on Private Lands in Gifu Prefecture,Japan
forest register forest under Article 3.4 Kyoto Protocol silvicultural practices
2009/8/28
This study aims to develop a methodology to account for and identify forests under Article 3.4 of the Kyoto Protocol (forests under Art. 3.4), and then to calculate forest area under Art. 3.4. Forests...
A comparison of methods for estimating soil characteristics in regional acidification models; an application of the MAGIC model to Scotland
Acid Neutralising Capacity soil depth soil physico-chemical
2009/6/5
The results from an application of MAGIC (Model of Acidification of Groundwater In Catchments) to 733 Scottish catchments are presented. The availability of representative, good quality soil data is f...
Comparison of MCMC Methods for Estimating GARCH Models
Bayesian inference GARCH Gibbs sampler Markov chain Monte Carlo Metropolis-Hastings algorithm
2009/3/6
This paper reviews several MCMC methods for estimating the class of ARCH models, and compare performances of them. With respect to the mixing, efficiency and computational requirement of the MCMC, thi...