Small-worldness index

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August undefined, 2024

Websmallworldness: Compute the small-worldness index. Description Compute the small-worldness index (Humphries & Gurney, 2008) relying on the global transitity of the … WebOct 13, 2024 · The small-worldness index S provides a canonical measure of the degree to which a network is small-world. Here, we take a slightly modified version, ...

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WebThe Small World Index (SWI) is defined as = Both ω′ and SWI range between 0 and 1, and have been shown to capture aspects of small-worldness. However, they adopt slightly … WebJul 29, 2024 · Finally, the small-worldness index (SWI) reflects the efficiency of the functional organisation of the network or graph, and is measured as the ratio between the normalised clustering coefficient ... cylinder capacity 1598 cc

Small-world network - Wikipedia

WebWe addressed the limits of small-world measures and defined new metric indices: the small-world efficiency (SWE) and the small-world angle (SWA), both based on the tradeoff … WebApr 30, 2008 · A network is now deemed a ‘small-world’ if S>1 - an assertion which may be tested statistically. We then examined the behavior of S on a large data-set of real-world … WebTo consider a network as "smallworld", it is also suggested to inspect that the network has a transitivity substantially higher than comparable random networks and that its average … cylinder capacity calculator litres

Compute the small-worldness index. — smallworldness • …

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WebNov 28, 2024 · From Table 5, within global topological properties three groups had a small-world connectome organisation, as the mean small-worldness index was greater than one. There were statistically significant differences in terms of small-worldness index (p = 0.004). Patients receiving chemotherapy had the lowest mean small-worldness index, … WebBoth density and small worldness increase rapidly starting in 2003, reaching a maximum in 2004 and decreasing rapidly, falling to zero in 2005. The observed temporal development is more pronounced for small worldness, by an order of magnitude. More specifically, the small worldness increase is about by 3000%, while the density increase is about ... cylinder capacity engineWebJul 6, 2024 · Although small-world index described by Humphries et al. is one of the most commonly used network features in brain network studies, we can find that it is not a … cylinder cap

"WebThe small-worldness index is then computed as the transitivity (normalized by the random transitivity) over the average shortest path length (normalized by the random average shortest path length). The lo and up quantiles of the distribution of the random networks are also returned for both the transitivity and the average shortest path length. " - Small-worldness index

Small-worldness index

Small-world indices via network efficiency for brain networks from ...

WebHumphries and Gurney [ 34] introduced a small-worldness metric which uses the network-average clustering coefficient and path length values, relative to these metrics for random networks, to provide an overview of connectivity in the entire network. WebSep 21, 2024 · Global and nodal properties were calculated and compared between two groups, including small-worldness index, clustering coefficient, characteristic path length, degree centrality ( DC ), betweenness centrality ( BC) and nodal efficiency. Both LDH and HC groups showed small-world architecture in the functional network of brain.

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WebSep 13, 2024 · Exploratory partial Pearson’s correlation analyses showed that the small-worldness indices were positively correlated with ALSFRS ( r = 0.27, P = 0.017, Fig. 3 a); the degree centrality of the right medial orbital frontal cortex was negatively correlated with depression symptoms ( r = − 0.30, P = 0.011) (Fig. 3 b) and the nodal efficiency of the … WebApr 18, 2015 · The small-worldness is believed to be a crucial aspect of efficient brain organization that confers significant advantages in signal processing (e.g., Lago-Fernández et al. 2000 ).

WebJul 11, 2024 · The small-worldness index has also been calculated to. extract topology descriptors of brain networks to understand. WM phases [19]. These indicators are e ... WebMar 31, 2024 · Compute the small-worldness index (Humphries & Gurney, 2008) relying on the global transitity of the network (Newman, 2003) and on its average shortest path …

WebCompute the small-worldness index (Humphries & Gurney, 2008) relying on the global transitity of the network (Newman, 2003) and on its average shortest path length. RDocumentation. Search all packages and functions. qgraph ... Even if the small-worldness is higher than three, ... WebDec 14, 2024 · SW is a particularly interesting property in that the healthy human brain is a small-world network ( 10, 17 ), but brain networks reportedly deviate from small-world networks in some neurological conditions such as Alzheimer's disease ( 17 ), depression ( 18 ), and schizophrenia ( 19 ).

WebFeb 27, 2024 · I am trying to calculate small-worldness index using package qgraph. I create an igraph object and use the function: smallworldness(). The result is [Inf] or [NaN]. What …

WebHosted on the Open Science Framework cylinder capacity 意味WebSource code for networkx.algorithms.smallworld. """Functions for estimating the small-world-ness of graphs. A small world network is characterized by a small average shortest path length, and a large clustering coefficient. Small-worldness is commonly measured with the coefficient sigma or omega. Both coefficients compare the average clustering ... cylinder capacity gallonsWebDec 21, 2024 · Based on previous data processing, the small-worldness index (σ), clustering coefficient (γ), and characteristic path length (λ) were calculated in each frequency band … cylinder capacity meaningWebSmall-world network Full size image Interpretation of graph metrics in the context of cognitive and behavioral outcomes is an area of ongoing investigation. It is likely an oversimplification to interpret a higher or lower value of most metrics as necessarily a positive or negative outcome (Bullmore & Bassett, 2011 ). cylinder capacity 1995 ccWebJul 1, 2011 · In this article, for a number of real-world as well as Watts–Strogatz model networks, we investigated the profile of the network small-worldness as random failures, … cylinder cap and strainerWebFeb 21, 2024 · In order to examine whether or not a network does satisfy the small-worldness property, three Graph Theoretic metrics are calculated across a range of intra-cluster rewiring probabilities, \... cylinder cap toolWebCompute the small-worldness index (Humphries & Gurney, 2008) relying on the global transitity of the network (Newman, 2003) and on its average shortest path length. Usage smallworldness (x, B = 1000, up = 0.995, lo = 0.005) Arguments Details The function computes the transitivity of the target network and the average shortest path length. cylinder capping equipment