X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=epclust%2Ftests%2Ftestthat%2Ftest.clustering.R;h=49afe601ad6a6b6eac7aed4cc216914ea8c2b8a4;hb=492cd9e74a79cbcc0ecde55fa3071a44b7e463dc;hp=a4d59d9d72ba0e62168f69e97fd988232e518770;hpb=8702eb86906bd6d59e07bb887e690a20f29be63f;p=epclust.git diff --git a/epclust/tests/testthat/test.clustering.R b/epclust/tests/testthat/test.clustering.R index a4d59d9..49afe60 100644 --- a/epclust/tests/testthat/test.clustering.R +++ b/epclust/tests/testthat/test.clustering.R @@ -7,7 +7,8 @@ I = function(i, base) test_that("computeClusters1 behave as expected", { require("MASS", quietly=TRUE) - require("clue", quietly=TRUE) + if (!require("clue", quietly=TRUE)) + skip("'clue' package not available") # 3 gaussian clusters, 300 items; and then 7 gaussian clusters, 490 items n = 300 @@ -62,10 +63,11 @@ test_that("computeSynchrones behave as expected", for (i in seq_len(n)) series[i,] = s[[I(i,K)]] + rnorm(L,sd=0.01) getRefSeries = function(indices) { - indices = indices[indices < n] + indices = indices[indices <= n] if (length(indices)>0) series[indices,] else NULL } - synchrones = computeSynchrones(rbind(s1,s2,s3), getRefSeries, 100) + synchrones = computeSynchrones(rbind(s1,s2,s3), getRefSeries, n, 100, + verbose=TRUE, parll=FALSE) expect_equal(dim(synchrones), c(K,L)) for (i in 1:K) @@ -94,23 +96,23 @@ test_that("computeClusters2 behave as expected", for (i in seq_len(n)) series[i,] = s[[I(i,K1)]] + rnorm(L,sd=0.01) getRefSeries = function(indices) { - indices = indices[indices < n] + indices = indices[indices <= n] if (length(indices)>0) series[indices,] else NULL } # Artificially simulate 60 medoids - perfect situation, all equal to one of the refs medoids_K1 = do.call(rbind, lapply( 1:K1, function(i) s[[I(i,K1)]] ) ) - medoids_K2 = computeClusters2(medoids_K1, K2, getRefSeries, 75) + medoids_K2 = computeClusters2(medoids_K1, K2, getRefSeries, n, 75, + verbose=TRUE, parll=FALSE) expect_equal(dim(medoids_K2), c(K2,L)) # Not easy to evaluate result: at least we expect it to be better than random selection of # medoids within 1...K1 (among references) - distorGood = computeDistortion(series, medoids_K2) for (i in 1:3) expect_lte( distorGood, computeDistortion(series,medoids_K1[sample(1:K1, K2),]) ) }) -test_that("clusteringTask + computeClusters2 behave as expected", +test_that("clusteringTask1 + computeClusters2 behave as expected", { n = 900 x = seq(0,9.5,0.1) @@ -126,9 +128,12 @@ test_that("clusteringTask + computeClusters2 behave as expected", if (length(indices)>0) series[indices,] else NULL } wf = "haar" - getCoefs = function(indices) curvesToCoefs(series[indices,],wf) - medoids_K1 = getSeries( clusteringTask(1:n, getCoefs, K1, 75, 4) ) - medoids_K2 = computeClusters2(medoids_K1, K2, getSeries, 120) + ctype = "absolute" + getContribs = function(indices) curvesToContribs(series[indices,],wf,ctype) + medoids_K1 = getSeries( clusteringTask1(1:n, getContribs, K1, 75, + verbose=TRUE, parll=FALSE) ) + medoids_K2 = computeClusters2(medoids_K1, K2, getSeries, n, 120, + verbose=TRUE, parll=FALSE) expect_equal(dim(medoids_K1), c(K1,L)) expect_equal(dim(medoids_K2), c(K2,L))