projects / epclust.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c652979 BA |
1 | toInteger <- function(x, condition) |
| 2 | { | |
| 3 | if (!is.integer(x)) | |
| 4 | tryCatch( | |
| 5 | {x = as.integer(x)[1]}, | |
| 6 | error = function(e) paste("cannot convert argument",substitute(x),"to integer") | |
| 7 | ) | |
| 8 | if (!condition(x)) | |
| 9 | stop(paste("argument",substitute(x),"does not verify condition",body(condition))) | |
| 10 | x | |
| 11 | } | |
| 12 | ||
| 48108c39 | 13 | writeCoeffs = function(coeffs) |
| 5c652979 | 14 | { |
| 48108c39 | 15 | file = ".coeffs" |
| 5c652979 BA |
16 | #......... |
| 17 | #C function (from data.frame, type of IDs ??! force integers ? [yes]) | |
| 18 | #return raw vector | |
| 5c652979 | 19 | #take raw vector, append it (binary mode) to a file |
| 7b13d0c2 | 20 | #TODO: appendCoeffs() en C --> serialize et append to file |
| 5c652979 BA |
21 | } |
| 22 | ||
| 48108c39 | 23 | readCoeffs = function(indices) |
| 5c652979 BA |
24 | { |
| 25 | #...... | |
| 48108c39 | 26 | file = ".coeffs" |
| 5c652979 BA |
27 | #C function (from file name) |
| 28 | } | |
| 29 | ||
| 30 | getSeries(data, rank=NULL, id=NULL) | |
| 31 | { | |
| 32 | #TODO: | |
| 33 | } | |
| 0e2dce80 BA |
34 | |
| 35 | curvesToCoeffs = function(series, wf) | |
| 36 | { | |
| 37 | L = length(series[1,]) | |
| 38 | D = ceiling( log2(L) ) | |
| 39 | nb_sample_points = 2^D | |
| 40 | apply(series, 1, function(x) { | |
| 41 | interpolated_curve = spline(1:L, x, n=nb_sample_points)$y | |
| 42 | W = wavelets::dwt(interpolated_curve, filter=wf, D)@W | |
| 43 | rev( sapply( W, function(v) ( sqrt( sum(v^2) ) ) ) ) | |
| 44 | }) | |
| 45 | } |