Displaying 3 results from an estimated 3 matches for "mahanalobi".
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mahanalobis
2012 Oct 25
5
system is computationally singular: reciprocal condition number
Hi folks,
I know, this is a fairly common question and I am really disappointed that I
could not find a solution.
I am trying to calculate Mahanalobis distances in a data frame, where I have
several hundreds groups and several hundreds of variables.
Whatever I do, however I subset it I get the "system is computationally
singular: reciprocal condition number" error.
I know what it means and I know what should be the problem, but there...
2012 Nov 27
5
Predict function in Raster package
Hey,
I am having troubles using the 'predict' function with in the Raster
package. I am using pm<-predict(mm, predictors) where mm is the
mahalanobis distance and the predictors are a stack of 6 raster layers
containing environmental variables.
When I try to run the prediction I get the following warning message:
Warning message:
In layerNames(x): the layerNames function is
2003 Feb 19
1
getting/storing the name of an object passed to a function
...digits = digits)
cat("\n")
cat("Group 2:", "\n")
print.default(x$s2, digits = digits)
cat("\n")
cat("Pooled correlation matrix:", "\n\n")
print.default(x$Vcor, digits = digits)
cat("\n")
cat("Mahanalobis Generalised distance \(d^2\):", x$d2, "\n")
cat("Square root of Mahalanobis Distance:", x$d, "\n")
cat("Hotelling's T^2:", x$t2, "\n")
cat("F-value:", x$F.stat, "on", df1, "and", df2, "degrees...