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Methods for estimating the density and/or abundance of populations
Distance sampling is a widely used group of closely related methods for estimating the density and/or abundance of populations. The main methods are based
Distance_sampling
Group of statistical methods
species. A variety of methods are used in abundance sampling: mark-recapture, plot sampling, distance sampling. Terrestrial and marine habitats require different
Abundance_estimation
Distance between pixel centers in remote sensing
In remote sensing, ground sample distance (GSD) in a digital photo of the ground from air or space is the distance between pixel centers measured on the
Ground_sample_distance
Selection of data points in statistics
business and medical research, sampling is widely used for gathering information about a population. Acceptance sampling is used to determine if a production
Sampling_(statistics)
penguins in Antarctica. Most maritime surveys use strip transect and distance sampling to measure penguin species density; this is then extrapolated over
List of Sphenisciformes by population
List_of_Sphenisciformes_by_population
Sampling from a population which can be partitioned into subpopulations
In statistics, stratified sampling is a method of sampling from a population which can be partitioned into subpopulations. In statistical surveys, when
Stratified_sampling
Sufficiency theorem for reconstructing signals from samples
uniformly spaced (periodic) sampling, it establishes a sufficient condition on the sample rate that permits a discrete sequence of samples to capture all the information
Nyquist–Shannon sampling theorem
Nyquist–Shannon_sampling_theorem
Sampling from the part of the population close at hand
sampling (also known as grab sampling, accidental sampling, or opportunity sampling) is a type of non-probability sampling that involves the sample being
Convenience_sampling
Method of sampling in biostatistics
biostatistics, line-intercept sampling (LIS) is a method of sampling elements in a region whereby an element is sampled if a chosen line segment, called
Line-intercept_sampling
Survey sampling method
Quota sampling is a method for selecting survey participants that is a non-probabilistic version of stratified sampling. In quota sampling, a population
Quota_sampling
Distance between two statistical objects
distributions or samples, or the distance can be between an individual sample point and a population or a wider sample of points. A distance between populations can
Statistical_distance
Path along which organisms are recorded
estimation method – Method for estimating a species population size Distance sampling – Methods for estimating the density and/or abundance of populations
Transect
Measurement of population size per unit area or unit volume
living density, population density at which the average person lives Distance sampling Demography Human geography Idealised population List of population
Population_density
Stratified sampling Cluster sampling distance sampling Multistage sampling Nonprobability sampling Slice sampling Sampling bias Sampling design Sampling distribution
List_of_statistics_articles
Statistical distance measure
later work is from 1927). R.C. Bose later obtained the sampling distribution of Mahalanobis distance, under the assumption of equal dispersion. It is a multivariate
Mahalanobis_distance
Restricted model of non-universal quantum computation
boson sampling device, which makes it a non-universal approach to linear optical quantum computing. Moreover, while not universal, the boson sampling scheme
Boson_sampling
Species of squirrel
giant squirrel (Ratufa indica) abundance in southern India using distance sampling" (PDF). Current Science. 95 (7): 885–888. JSTOR 24103185. Archived
Indian_giant_squirrel
Statistical sampling technique
This sampling scheme does not require more samples for more dimensions (variables); this independence is one of the main advantages of this sampling scheme
Latin_hypercube_sampling
Distribution estimation technique
sampling is also related to umbrella sampling in computational physics. Depending on the application, the term may refer to the process of sampling from
Importance_sampling
Marine biology monitoring programming
sampling primarily focuses on the northwest European shelf and the Northeast and Northwest Atlantic, with these regions undergoing monthly sampling;
Continuous_Plankton_Recorder
Largest species of the bovid family
and the contiguous Phnom Prich Wildlife Sanctuary. Line transect distance sampling in Keo Seima Wildlife Sanctuary revealed around 500 individuals in
Gaur
Probabilistic problem-solving algorithm
use adaptive routines such as stratified sampling, recursive stratified sampling, adaptive umbrella sampling or the VEGAS algorithm. A similar approach
Monte_Carlo_method
Measure of variation in statistics
{\left({\frac {N-1}{2}}\right)}}}.} This arises because the sampling distribution of the sample standard deviation follows a (scaled) chi distribution, and
Standard_deviation
Statistical measure of how far values spread from their average
statistical inference, hypothesis testing, goodness of fit, and Monte Carlo sampling. The variance of a random variable X {\displaystyle X} is the expected
Variance
Probability distribution of the possible sample outcomes
contexts, only one sample (i.e., a set of observations) is observed, but the sampling distribution can be found theoretically. Sampling distributions are
Sampling_distribution
Animal population estimation method
Thomas, Len; Miller, David; Bishop, Jon (2015-08-17). "Mark-Recapture Distance Sampling (mrds)". Comprehensive R Archive Network (CRAN). "Program MARK". Archived
Mark_and_recapture
Tropical wetland in Brazil, Bolivia and Paraguay
Batista, Flávia Regina; Bornato, Thainan Silva (December 16, 2021). "Distance sampling surveys reveal 17 million vertebrates directly killed by the 2020's
Pantanal
Methods for measuring wildlife populations include mark and recapture, distance sampling, and examining a harvest. Biologists who survey wildlife populations
Wildlife_population
Species of plant in the genus Tilia
"Estimation of Population Density for Sika Deer (Cervus nippon) Using Distance Sampling in the Forested Habitats of Hokkaido, Japan". Mammal Study. 42: 57–64
Tilia_maximowicziana
periodic sampling is by far the simplest scheme. Theoretically, sampling can be performed with respect to any set of points. But practically, sampling is carried
Hexagonal_sampling
Statistical considerations on how many observations to make
complicated sampling techniques, such as stratified sampling, the sample can often be split up into sub-samples. Typically, if there are H such sub-samples (from
Sample_size_determination
Subspecies of onager
L. Laake; D. L. Borchers; L. Thomas, eds. (2001). Introduction to Distance Sampling. Estimating Abundance of Biological Populations. Oxford, UK: Oxford
Mongolian_wild_ass
British statistician and professor
at the University of St Andrews. He is best known for his work on distance sampling, a widely used technique for estimating the size of animal populations
Stephen_Buckland
Maximum frequency of non-aliased component upon sampling
as the Nyquist rate. When the function domain is distance, as in an image sampling system, the sample rate might be dots per inch and the corresponding
Nyquist_frequency
Type of sampling strategy
statistics, multistage sampling is the taking of samples in stages using smaller and smaller sampling units at each stage. Multistage sampling can be a complex
Multistage_sampling
Rectangular frame used to demarcate a part of the substrate for detailed analysis
quadrats throughout the sampling area. For long-term studies, the same quadrats can be revisited after their initial sampling. Methods of precisely relocating
Quadrat
Statistical measure
grand mean of the distance matrix of the X sample. The notation is similar for the b values. (In the matrices of centered distances (Aj, k) and (Bj,k)
Distance_correlation
Measure of similarity and diversity between sets
Jaccard distance is commonly used to calculate an n × n matrix for clustering and multidimensional scaling of n sample sets. These distance measures
Jaccard_index
Similarity of two probability distributions
amount of overlap between two statistical samples or populations. It is not a metric, despite being named a "distance", since it does not obey the triangle
Bhattacharyya_distance
importance sampling method of variance reduction, does not require detailed knowledge of the system. The basic idea behind line sampling is to refine
Line_sampling
Sampling methodology in statistics
In statistics, cluster sampling is a sampling plan used when mutually homogeneous yet internally heterogeneous groupings are evident in a statistical population
Cluster_sampling
Species of fish
of southern stingrays Dasyatis americanaon a Caribbean atoll using distance sampling". Aquatic Conservation: Marine and Freshwater Ecosystems. 23 (2):
Southern_stingray
Statistical method
error, etc.) to sample estimates. This technique allows estimation of the sampling distribution of almost any statistic using random sampling methods. Bootstrapping
Bootstrapping_(statistics)
Distance in millimeters between the centers of each pupil
Pupillary distance (PD), more correctly known as interpupillary distance (IPD) is the distance in millimeters between the centers of each pupil. Distance PD
Pupillary_distance
Statistical hypothesis test
where x ¯ {\displaystyle {\bar {x}}} is the sample mean, s is the sample standard deviation and n is the sample size. The degrees of freedom used in this
Student's_t-test
Monte Carlo algorithm
obtaining a sequence of random samples from a probability distribution from which direct sampling is difficult. New samples are added to the sequence in
Metropolis–Hastings_algorithm
National Park of Tanzania
other arboreal primates in the Udzungwa Mountains using systematic distance sampling." International Journal of Primatology 35 (2014): 941-956. Menegon
Udzungwa Mountains National Park
Udzungwa_Mountains_National_Park
Computer graphics rendering method
A possible way of sampling distances is the ray marching method, which works similarly to ray tracing but operates on a distance field of the scene and
Volumetric_path_tracing
Proposed Mars sample return mission
April 2022) Mars sample-return mission – Sampling Process Mars sample-return mission – Sample Tubes Mars sample-return mission Mars sample-return mission
NASA-ESA_Mars_Sample_Return
Spatial anti-aliasing method
sub-pixels, and a sample is taken from the center of each. It is fast and easy to implement. Although, due to the regular nature of sampling, aliasing can
Supersampling
Measure of linear correlation
on the value of the sample correlation coefficient r. The other aim is to derive a confidence interval that, on repeated sampling, has a given probability
Pearson correlation coefficient
Pearson_correlation_coefficient
Distance from center of Earth to center of Moon
lunar distance. Some factors are listed in the sections below. The distance to the Moon can be measured to an accuracy of 2 mm over a 1-hour sampling period
Lunar_distance
Statistical property
standard deviation of its sampling distribution. The standard error is often used in calculations of confidence intervals. The sampling distribution of a mean
Standard_error
Statistical test comparing two probability distributions
Kolmogorov–Smirnov statistic quantifies a distance between the empirical distribution function of the sample and the cumulative distribution function of
Kolmogorov–Smirnov_test
At which direct and reverberant sounds have equal pressure
source is directional, the sound pressure as a function of distance between source and sampling point (listener) varies with their relative position, so
Critical_distance
Method of statistical sampling
clear distinctions during sampling. This sampling method should be distinguished from cluster sampling, where a simple random sample of several entire clusters
Stratified_randomization
Square matrix containing the distances between elements in a set
cosine. Euclidean distance is invariant to mean-correction. The sampling distribution of a mean is generated by repeated sampling from the same population
Distance_matrix
Method for numerical integration
The nested sampling algorithm is a computational approach to the Bayesian statistics problems of comparing models and generating samples from posterior
Nested_sampling_algorithm
Volcanic rock
Okanoba’s eruption on January 20, 1986. South Iwo Jima can be seen in the distance. Sample of glassy pumice (9 cm across) from Mono County, California Air fall
Pumice
Search algorithm
is accomplished by introducing a small probability of sampling the goal to the state sampling procedure. The higher this probability, the more greedily
Rapidly_exploring_random_tree
Acceptance Sampling Technique
In statistics, a variables sampling plan is an acceptance sampling technique. Plans for variables are intended for quality characteristics that are measured
Variables_sampling_plan
Optical property
angular-spectrum and related convolution-based propagators typically impose sampling constraints and may require zero padding or enlarged computational windows
Fresnel_number
Species of owl
Phillcaine, Pilla (2018). "Sunda Scops-Owl Density Estimation via Distance Sampling and Call Playback" (PDF). Sains Malaysiana. 47 (3): 441–446. doi:10
Sunda_scops_owl
Derived representation of a digital image
A distance transform, also known as distance map or distance field, is a derived representation of a digital image. The choice of the term depends on the
Distance_transform
Security glazing standard
strikes, with multiple strikes placed within 120mm of each other in the test sample which dimensions are 500±5mm x 500±5mm. The glazing should also be shatterproof
EN_1063
Measure of divergence between populations
Publications. Nei M, Roychoudhury AK (February 1974). "Sampling variances of heterozygosity and genetic distance". Genetics. 76 (2): 379–90. doi:10.1093/genetics/76
Genetic_distance
Sampling bias in astronomy
and average distance to a group of stars. Because of the luminous stars that are at a further distance, it will appear as if our sample of stars is farther
Malmquist_bias
New Zealand ecology researcher
Island Saddlebacks (Philesturnus rufusater) on a small island: using distance sampling to determine variation". Emu. 107 (3): 196–202. Bibcode:2007EmuAO
Dianne_Brunton
System of photographic colour sensing
Colour co-site sampling is a system of photographic colour sensing, wherein 4, 16 or 36 images are collected from the sensor and merged to form a single
Colour_co-site_sampling
New Zealand ecologist
Cassey, Phill (1997). "Estimating Animal Abundance: An assessment of distance sampling techniques for New Zealand populations". Auckland University, New
Phill_Cassey
Difficulties arising when analyzing data with many aspects ("dimensions")
which is the unit interval. In the above example n = 2: when using a sampling distance of 0.01 the 10-dimensional hypercube appears to be 1018 "larger" than
Curse_of_dimensionality
Middle quantile of a data set or probability distribution
set of sample points x 1 , … x N {\displaystyle x_{1},\ldots x_{N}} in a Euclidean space is the point minimizing the sum of distances to the sample points
Median
Inverse of the average of the inverses of a set of numbers
Pharm Sci 74(2) 229-231 Cox DR (1969) Some sampling problems in technology. In: New developments in survey sampling. U.L. Johnson, H Smith eds. New York: Wiley
Harmonic_mean
Spatial statistics function
of how much two samples taken from the mining area will vary in gold percentage depending on the distance between those samples. Samples taken far apart
Variogram
Frequency divided by a characteristic frequency
{\displaystyle f} ) and a constant frequency associated with a system (such as a sampling rate, f s {\displaystyle f_{s}} ). Some software applications require normalized
Normalized frequency (signal processing)
Normalized_frequency_(signal_processing)
Calculation of complex statistical distributions
component-wise updating idea, later known as Gibbs sampling. Simultaneously, the theoretical foundations for Gibbs sampling were being developed, such as the Hammersley–Clifford
Markov_chain_Monte_Carlo
Mathematical statistics distance measure
{\displaystyle D_{\text{KL}}(P\parallel Q)} , is a type of statistical distance: a measure of how much an approximating probability distribution Q is different
Kullback–Leibler_divergence
American conservation biologist and ecologist
She also completed modelling of white-tail deer populations using distance sampling techniques. She went on to gain a Master's degree in Zoology at the
Michelle_LaRue
Process of using data analysis for predicting population data from sample data
also of importance: in survey sampling, use of sampling without replacement ensures the exchangeability of the sample with the population; in randomized
Statistical_inference
Measure of the influence of a data point in regression analysis
In statistics, Cook's distance or Cook's D is a commonly used estimate of the influence of a data point when performing a least-squares regression analysis
Cook's_distance
Group of near-Earth asteroids
the Earth's orbit is difficult, and this difficulty may contribute to sampling bias in the apparent preponderance of eccentric Atens. Aten asteroids account
Aten_asteroid
Metric used to assess image quality
The Fréchet inception distance (FID) is a metric used to assess the quality of images created by a generative model, like a generative adversarial network
Fréchet_inception_distance
Statistical test
distributions. It is also used as a part of other algorithms, such as minimum distance estimation. It is defined as ω 2 {\displaystyle \omega ^{2}} , where ω
Cramér–von_Mises_criterion
Bias in a statistical analysis due to non-random selection
reporting of information Sampling bias – Bias in the sampling of a population Sampling probability – Theory relating to sampling from finite populations
Selection_bias
How many standard deviations apart from the mean an observed datum is
standard deviation of the population. The absolute value of z represents the distance between that raw score x and the population mean in units of the standard
Standard_score
Spacing between measurements
spatial sampling layout is more related to the Earth's surface, such as in remote sensing and satellite imagery. Image resolution Ground sample distance Level
Spatial_resolution
Similarity measure for number sequences
{\text{cosine distance}}=D_{C}(A,B):=1-S_{C}(A,B)\,.} By virtue of being proportional to squared Euclidean distance, the cosine distance is not a true distance metric;
Cosine_similarity
Influence of the location and availability of pre-existing infrastructure, such
of irregular genetic sampling of Bolivian wild potatoes. A 2000 report of previous studies' sampling found that 60% of samples had been taken near towns
Infrastructure_bias
Radar performance enhancement strategy
process of digital sampling causes ringing in the filters that are used to remove reflected signals from slow moving objects. Sampling causes frequency
Pulse-Doppler signal processing
Pulse-Doppler_signal_processing
Dennis, Roger L. H.; Shuker, David M.; Thomas, Chris D. (2011). "Distance sampling and the challenge of monitoring butterfly populations" (PDF). Methods
Butterfly_count
Distance between probability distributions
Energy distance is a statistical distance between probability distributions. If X and Y are independent random vectors in Rd with cumulative distribution
Energy_distance
Japanese space mission to asteroid Ryugu
descent and sampling processes, but later it successfully dropped one from an altitude of 9 m (30 ft) on 4 June 2019. The sub-surface sampling took place
Hayabusa2
Value that appears most often in a set of data
discretize the data by assigning frequency values to intervals of equal distance, as for making a histogram, effectively replacing the values by the midpoints
Mode_(statistics)
Relations between persons on different geographical locations
A long-distance relationship (LDR) or long-distance romantic relationship is an intimate relationship between partners who are geographically separated
Long-distance_relationship
Wildfires in Brazil
Queiroz Batista, Flávia Regina; Bornato, Thainan Silva (2021-12-16). "Distance sampling surveys reveal 17 million vertebrates directly killed by the 2020's
2020 Brazil rainforest wildfires
2020_Brazil_rainforest_wildfires
Spacecraft mission
the Solar System. However, due to the distance and other constraints, Europa might not be the target of a sample-return mission in the foreseeable future
Sample-return_mission
Geotechnical engineering test of soil properties
intermittent or continuous sampling. Intervals are typically 1.5 m (5 ft) or less in homogeneous strata. Tests and sampling should be done at every change
Standard_penetration_test
Statistical measure to determine how suited data is for factor analysis
Measure of Sampling Adequacy (MSA) of factor analytic data matrices in 1970. Kaiser and Rice then modified it in 1974. The measure of sampling adequacy
Kaiser–Meyer–Olkin_test
Study of collection and analysis of data
experiment designs and survey samples. Random sampling assures that inferences and conclusions can reasonably extend from the sample to the population as a whole
Statistics
Modification of approximate entropy
Chebyshev distance (but it could be any distance function, including Euclidean distance). We define the sample entropy to be S a m p E n = − ln A B {\displaystyle
Sample_entropy
DISTANCE SAMPLING
DISTANCE SAMPLING
Girl/Female
Muslim/Islamic
Some distance
Boy/Male
Indian
Distance
Girl/Female
Arabic, Muslim, Sindhi
Some Distance
Boy/Male
Arabic
Distance
Girl/Female
American, British, English, French, Greek
Fate; Certain Fortune; The Mythological Greek God of Fate
Girl/Female
Muslim
Some distance
Girl/Female
Muslim
Some distance
Girl/Female
Arabic, Muslim, Sindhi
Some Distance
Girl/Female
Muslim
Some distance
Girl/Female
Indian
Some distance
Female
French
French form of Latin Constantia, CUSTANCE means "steadfast."Â
Boy/Male
Indian, Modern
Full of Light
Girl/Female
Arabic, Muslim
Distinct
Girl/Female
Muslim/Islamic
Some distance
Boy/Male
Hindu
Existance
Girl/Female
Indian
Some distance
Girl/Female
Muslim
Some distance
Girl/Female
English French
Certain fortune; fate. The mythological Greek god of fate.
Boy/Male
Tamil
Astitya | அஸà¯à®¤à®¿à®¤à¯à®¯
Existance
Astitya | அஸà¯à®¤à®¿à®¤à¯à®¯
Girl/Female
Muslim
Distinct
DISTANCE SAMPLING
DISTANCE SAMPLING
Boy/Male
Australian, Chinese, French, German, Italian, Latin, Swiss
Works with the Hands; Craftsman
Boy/Male
Tamil
Devine
Boy/Male
Hindu, Indian
Lighting; Beauty; Light
Boy/Male
Hindu
Boy/Male
Indian
Greatness
Female
Egyptian
, the name of a goddess; a form of Hathor (?).
Surname or Lastname
English
English : habitational name, probably from a lost place named Coatsworth, possibly in County Durham, where the modern surname is most frequent.
Biblical
one chosen or set apart
Boy/Male
Arabic
Reader; Reciter
Girl/Female
Tamil
DISTANCE SAMPLING
DISTANCE SAMPLING
DISTANCE SAMPLING
DISTANCE SAMPLING
DISTANCE SAMPLING
n.
The interval between two notes; as, the distance of a fourth or seventh.
imp. & p. p.
of Distance
a.
So separated as not to be confounded with any other thing; not liable to be misunderstood; not confused; well-defined; clear; as, we have a distinct or indistinct view of a prospect.
n.
A withholding of intimacy; alienation; coldness; disagreement; variance; restraint; reserve.
n.
An instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.
v. t.
To place at a distance or remotely.
a.
Far separated; far off; not near; remote; -- in place, time, consanguinity, or connection; as, distant times; distant relatives.
n.
The remoteness or reserve which respect requires; hence, respect; ceremoniousness.
a.
Reserved or repelling in manners; cold; not cordial; somewhat haughty; as, a distant manner.
v. t.
To cause to appear as if at a distance; to make seem remote.
n.
Removal to a distance; withdrawal; a being at a distance; distance.
v. t.
To mention as a case or example; to refer to; to cite; as, to instance a fact.
a.
Distance.
a.
Not conformable; discrepant; repugnant; as, a practice so widely distant from Christianity.
n.
Remoteness in succession or relation; as, the distance between a descendant and his ancestor.
v. t.
To outstrip by as much as a distance (see Distance, n., 3); to leave far behind; to surpass greatly.
a.
Separated; having an intervening space; at a distance; away.
a.
Indistinct; faint; obscure, as from distance.
n.
Length or interval of time; period, past or future, between two eras or events.
n.
Distance.