entropy: Compute the Shannon entropy index from regions - industries...
In PABalland/EconGeo: Computing Key Indicators of the Spatial Distribution of Economic Activities
entropy R Documentation
Compute the Shannon entropy index from regions - industries matrices
Description
This function computes the Shannon entropy index from regions - industries matrices from (incidence) regions - industries matrices
Usage
entropy(mat)
Arguments
mat
An incidence matrix with regions in rows and industries in columns
Author(s)
Pierre-Alexandre Balland p.balland@uu.nl
References
Shannon, C.E., Weaver, W. (1949) The Mathematical Theory of Communication. Univ of Illinois Press.
Frenken, K., Van Oort, F. and Verburg, T. (2007) Related variety, unrelated variety and regional economic growth, Regional studies 41 (5): 685-697.
See Also
diversity
Examples
## generate a region - industry matrix
set.seed(31)
mat <- matrix(sample(0:100,20,replace=T), ncol = 4)
rownames(mat) <- c ("R1", "R2", "R3", "R4", "R5")
colnames(mat) <- c ("I1", "I2", "I3", "I4")
## run the function
entropy (mat)
PABalland/EconGeo documentation built on Jan. 5, 2023, 8:40 a.m.
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| entropy | R Documentation |
Compute the Shannon entropy index from regions - industries matrices
Description
This function computes the Shannon entropy index from regions - industries matrices from (incidence) regions - industries matrices
Usage
entropy(mat)
Arguments
mat |
An incidence matrix with regions in rows and industries in columns |
Author(s)
Pierre-Alexandre Balland p.balland@uu.nl
References
Shannon, C.E., Weaver, W. (1949) The Mathematical Theory of Communication. Univ of Illinois Press.
Frenken, K., Van Oort, F. and Verburg, T. (2007) Related variety, unrelated variety and regional economic growth, Regional studies 41 (5): 685-697.
See Also
diversity
Examples
## generate a region - industry matrix
set.seed(31)
mat <- matrix(sample(0:100,20,replace=T), ncol = 4)
rownames(mat) <- c ("R1", "R2", "R3", "R4", "R5")
colnames(mat) <- c ("I1", "I2", "I3", "I4")
## run the function
entropy (mat)
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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