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authorReza Zadeh <rizlar@gmail.com>2014-01-04 11:52:42 -0800
committerReza Zadeh <rizlar@gmail.com>2014-01-04 11:52:42 -0800
commit8bfcce1ad81348a5eac3e3d332ddc293380c041a (patch)
treeef709114a111e2e2d24f7d0a61804094cd77efae /mllib/src/test
parent35adc72794f25223502562f2dc0077f61d91cb79 (diff)
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fix tests
Diffstat (limited to 'mllib/src/test')
-rw-r--r--mllib/src/test/scala/org/apache/spark/mllib/linalg/SVDSuite.scala28
1 files changed, 17 insertions, 11 deletions
diff --git a/mllib/src/test/scala/org/apache/spark/mllib/linalg/SVDSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/linalg/SVDSuite.scala
index dc4e9239a2..a83d9d015b 100644
--- a/mllib/src/test/scala/org/apache/spark/mllib/linalg/SVDSuite.scala
+++ b/mllib/src/test/scala/org/apache/spark/mllib/linalg/SVDSuite.scala
@@ -87,15 +87,18 @@ class SVDSuite extends FunSuite with BeforeAndAfterAll {
// check multiplication guarantee
assertMatrixEquals(retu.mmul(rets).mmul(retv.transpose), densea)
}
-/*
+
test("rank one matrix svd") {
val m = 10
val n = 3
- val data = sc.makeRDD(Array.tabulate(m,n){ (a,b)=>
- ((a+1,b+1), 1.0) }.flatten )
- val min_svalue = 1.0e-4
+ val data = sc.makeRDD(Array.tabulate(m, n){ (a,b) =>
+ MatrixEntry(a + 1, b + 1, 1.0) }.flatten )
+ val k = 1
- val (u, s, v) = SVD.sparseSVD(data, m, n, min_svalue)
+ val decomposed = SVD.sparseSVD(data, m, n, k)
+ val u = decomposed.U
+ val s = decomposed.S
+ val v = decomposed.V
val retrank = s.toArray.length
assert(retrank == 1, "rank returned not one")
@@ -116,15 +119,18 @@ class SVDSuite extends FunSuite with BeforeAndAfterAll {
assertMatrixEquals(retu.mmul(rets).mmul(retv.transpose), densea)
}
- test("truncated with min singular value") {
+ test("truncated with k") {
val m = 10
val n = 3
- val data = sc.makeRDD(Array.tabulate(m,n){ (a,b)=>
- ((a+1,b+1), (a+2).toDouble*(b+1)/(1+a+b)) }.flatten )
+ val data = sc.makeRDD(Array.tabulate(m,n){ (a, b) =>
+ MatrixEntry(a + 1, b + 1, (a + 2).toDouble*(b + 1)/(1 + a + b)) }.flatten )
- val min_svalue = 5.0 // only one svalue above this
+ val k = 1 // only one svalue above this
- val (u, s, v) = SVD.sparseSVD(data, m, n, min_svalue)
+ val decomposed = SVD.sparseSVD(data, m, n, k)
+ val u = decomposed.U
+ val s = decomposed.S
+ val v = decomposed.V
val retrank = s.toArray.length
val densea = getDenseMatrix(data, m, n)
@@ -140,5 +146,5 @@ class SVDSuite extends FunSuite with BeforeAndAfterAll {
assertMatrixEquals(retu, svd(0).getColumn(0))
assertMatrixEquals(rets, DoubleMatrix.diag(svd(1).getRow(0)))
assertMatrixEquals(retv, svd(2).getColumn(0))
- }*/
+ }
}