nearest neighbor analysis

nearest neighbor analysis

a biochemical method used to estimate the frequency with which specific pairs of bases are located next to one another.
References in periodicals archive ?
A pair of Peregrine Falcons had been observed during the 1979 survey; however, we did not include them in the nearest neighbor analysis for that year because their nesting status was not confirmed.
A nearest neighbor analysis of tree islands with symptomatic trees revealed that the mean minimum distance between symptomatic tree islands was 1.
In an article as "establishing and implementing Krast database in Minnesota zone (sinkholes analysis and dispersion), Gao et al provided information in a Karst feature database (KFD) in Minnesota by directing the existing theories regarding the sinkholes dispersion and formation and managed the sinkholes by conducting the nearest neighbor analysis in different scales.
Nearest neighbor analysis Average nearest neighbor distance between host trees within the survey area was 12.
The nearest neighbor analysis supports this, as host trees were, on average, 12.
1; Table 1) were both RT and nearest neighbor analysis (NNA; described subsequently) possible.
Spatial aggregation analysis Nearest neighbor analysis (NNA), was performed as described by Selkirk and Neave (1984) to test for significant spatial aggregation of the following segments of the sampled population: 1) all halibut; 2) halibut too small to be legally retained by the commercial fishery (i.
Among the methods the researchers applied were nearest neighbor analysis, which discerns nonrandom distribution of cases and is often used by scientists studying species distribution.
Mean and range of relative efficiency of nearest neighbor analysis (NNA), least square smoothing (LSS), and the first-order autoregressive correlation model (AR1) to the randomized complete block (RCB) analysis for 157 field pea variety trials tested across 5 yr.
A nearest neighbor analysis (based on the minimum convex polygon) was performed to identify the spatial arrangement of burrow entrances within the subcolony, and it indicated a clumping pattern (n = 742, R = 8.
Each disease occurrence was plotted spatially and the spread or dispersion of disease incidence was examined using nearest neighbor analysis based on the R scale.
Nearest neighbor analysis across locations and years reduced the LSD for comparing entry means across locations and years for all methods and all of the cool-season grass trials (Table 4).