Displaying 5 results from an estimated 5 matches for "xmy".
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2011 Dec 23
2
missing value where TRUE/FALSE needed
...)
X <- as.matrix(data)
stepsize <- 0.05
c1 <- (2 * pi) ** (n.cols / 2)
c2 <- n.rows * (smoothing ** (n.cols + 2))
c3 <- n.rows * (smoothing ** n.cols)
Kexp <- function(sqs){
return (exp((-1 * sqs) / (2 * smoothing ** 2)))
}
FindGradient <- function(x){
XmY <- t(x - t(X))
sqsum <- rowSums(XmY * XmY)
K <- sapply(sqsum, Kexp)
dens <- ((c1 * c3) ** -1) * sum(K)
grad <- -1 * ((c1 * c2) ** -1) * colSums(K * XmY)
return (list(gradient = grad,
density = dens))
}
attractors <- matrix(0, n.rows, n.col...
2011 Dec 05
0
Rggobi pdf output
...sic.std[,-c(1:2)],6,6,neigh="bubble",rlen=100)
music.som<-som(d.music.std[,-c(1:2)],6,6,neigh="bubble",rlen=1000)
# Set up data for ggobi - data needs to have any labels in the first few columns
f.ggobi.som<-function(x,x.som) {
xmx<-jitter(x.som$visual$x,factor=2)
xmy<-jitter(x.som$visual$y,factor=2)
ncols<-ncol(x)
x.ggobi<-cbind(x,xmx,xmy)
dimnames(x.ggobi)[[2]][ncols+1]<-"Map 1"
dimnames(x.ggobi)[[2]][ncols+2]<-"Map 2"
x.grid<-cbind(x.som$code,x.som$code.sum[,1:2])
dimnames(x.grid)[[2]]<-dimnames(x.ggobi)[[...
2011 Dec 05
1
[rggobi] ggplot like pdf output
...sic.std[,-c(1:2)],6,6,neigh="bubble",rlen=100)
music.som<-som(d.music.std[,-c(1:2)],6,6,neigh="bubble",rlen=1000)
# Set up data for ggobi - data needs to have any labels in the first few columns
f.ggobi.som<-function(x,x.som) {
xmx<-jitter(x.som$visual$x,factor=2)
xmy<-jitter(x.som$visual$y,factor=2)
ncols<-ncol(x)
x.ggobi<-cbind(x,xmx,xmy)
dimnames(x.ggobi)[[2]][ncols+1]<-"Map 1"
dimnames(x.ggobi)[[2]][ncols+2]<-"Map 2"
x.grid<-cbind(x.som$code,x.som$code.sum[,1:2])
dimnames(x.grid)[[2]]<-dimnames(x.ggobi)[[...
2003 Jan 07
0
Your Enterprise Java/J2EE Architect Requirement
Good morning and Happy New Year 2003!
Let it be prosperous for both you and me!
Below you see a very short version of my CV as of January 2003
for your kind consideration and update.
Word, TXT, and PDF version of the complete CV are available upon request.
Enjoy the economic recovery!
Make it a great day:
ZAR
=================================================================
ZAR PETKOV,
2006 Aug 14
5
UML
In Rolling with Ruby on Rails tutorial -
http://www.onlamp.com/pub/a/onlamp/2005/01/20/rails.html - I saw that to
introduce a new element to my domain, I needed to define it in a table,
generate a model element with a similar name and the class would
autoamtically take the attributes from the table definition. Is it
possible to do this in the other direction... i.e to take the class
diagram