set final draft for package
[epclust.git] / epclust / R / algorithms.R
diff --git a/epclust/R/algorithms.R b/epclust/R/algorithms.R
deleted file mode 100644 (file)
index 97dce90..0000000
+++ /dev/null
@@ -1,24 +0,0 @@
-#NOTE: always keep ID in first column
-curvesToCoeffs = function(series, wf)
-{
-       library(wavelets)
-       L = length(series[1,])
-       D = ceiling( log(L-1) )
-       nb_sample_points = 2^D
-       #TODO: parallel::parApply() ?!
-       res = apply(series, 1, function(x) {
-               interpolated_curve = spline(1:(L-1), x[2:L], n=nb_sample_points)$y
-               W = wavelets::dwt(interpolated_curve, filter=wf, D)@W
-               nrj_coeffs = rev( sapply( W, function(v) ( sqrt( sum(v^2) ) ) ) )
-               return ( c(x[1], nrj_coeffs) )
-       })
-       return (as.data.frame(res))
-}
-
-getClusters = function(data, K)
-{
-       library(cluster)
-       pam_output = cluster::pam(data, K)
-       return ( list( clusts=pam_output$clustering, medoids=pam_output$medoids,
-               ranks=pam_output$id.med ) )
-}