https://github.com/cran/dtw
Tip revision: fb9d711f03cd085124e022a5179b96dd48b48a1b authored by Toni Giorgino on 27 April 2013, 00:00:00 UTC
version 1.16
version 1.16
Tip revision: fb9d711
TODO
* R_inf for comparisons
* Remove C test
* Optimize memory use (e.g. pass distance.only to the native
implementation and avoid returning the two large matrices)
== Scratch notes ==
library(dtw,lib.loc="/tmp/")
s<-10000
m<-matrix(runif(s*s),s,s)
system.time(dtw(m))
m <- matrix(1,ncol=10,nrow=10)
for(i in 2:10)for(j in 2:10)m[i,j]<-m[i-1,j]+m[i-1,j-1]+m[i,j-1]
TEST CASE for Itakura
1 0 1 1
1 1 10 10
1 1 10 10
Type IV: 3 ?
Itakura: 13 ?