euler_characteristic: Euler Characteristic
In Nestimate: Network Estimation, Bootstrap, and Higher-Order Analysis
euler_characteristic R Documentation
Euler Characteristic
Description
Computes \chi = \sum_{k=0}^{d} (-1)^k f_k where f_k is the
number of k-simplices. By the Euler-Poincare theorem,
\chi = \sum_{k} (-1)^k \beta_k.
Usage
euler_characteristic(sc)
Arguments
sc
A simplicial_complex object.
Value
Integer.
Examples
mat <- matrix(c(0,.6,.5,.6,0,.4,.5,.4,0), 3, 3)
colnames(mat) <- rownames(mat) <- c("A","B","C")
sc <- build_simplicial(mat, threshold = 0.3)
euler_characteristic(sc)
Nestimate documentation built on April 20, 2026, 5:06 p.m.
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| euler_characteristic | R Documentation |
Euler Characteristic
Description
Computes \chi = \sum_{k=0}^{d} (-1)^k f_k where f_k is the
number of k-simplices. By the Euler-Poincare theorem,
\chi = \sum_{k} (-1)^k \beta_k.
Usage
euler_characteristic(sc)
Arguments
sc |
A |
Value
Integer.
Examples
mat <- matrix(c(0,.6,.5,.6,0,.4,.5,.4,0), 3, 3)
colnames(mat) <- rownames(mat) <- c("A","B","C")
sc <- build_simplicial(mat, threshold = 0.3)
euler_characteristic(sc)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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