search for: unsquar

Displaying 3 results from an estimated 3 matches for "unsquar".

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2010 Apr 26
2
Cluster analysis: dissimilar results between R and SPSS
...9;'s method and Distance measure= Interval: Squared Euclidean distance. After that, I computed the means of each variable for each cluster. The problem is I have different results between the two analyses (different clusters and means). However, when I use the "Euclidean distance" (unsquared) in SPSS, I have the same results! I thought the R "euclidean" command meant the "usual square distance between the two vectors (2 norm)" as specified in the documentation, no the unsquared distance. Did it not? Thanks for the comment! Jeffrey [[alternative HTML versio...
2005 Jan 11
1
CUSUM SQUARED structural breaks approach?
Dear all, Does anyone know where there is R or S code for the CUSUM SQUARED structural breaks approach? (Brown, Durban and Evans, 1975 - used in Pesaran and Timmerman, 2002) The problem is that the breaks package only appears to offer the standard 'unsquared' CUSUM, even though it appears most think it is inferior to the squared version. It might appear to be a relatively simple problem - just use the recursive residuals function, square them and then take the cumulative sum. But the problem is that the normalisation and calculation of confiden...
2012 Mar 14
2
Using the mantel test in Ape Package
Hi, I am trying to use a mantel test on two distance matrices. The code I have entered for each is: Gen_dists <- read.csv(file.choose(), stringsAsFactors = FALSE, na.strings = c(" "), fill = T,