diff --git a/test/PCA_inverse_test.scd b/test/PCA_inverse_test.scd
new file mode 100644
index 0000000..a798015
--- /dev/null
+++ b/test/PCA_inverse_test.scd
@@ -0,0 +1,40 @@
+(
+fork{
+	~dict = Dictionary.newFrom([
+		"cols",5,
+		"data",Dictionary.newFrom(Array.fill(20,{
+			arg i;
+			[(i/2).asInteger,Array.fill(5,{rrand(-1.0,1.0)})]
+		}).flatten)
+	]);
+	// ~dict.at("data").at(0).postln;
+	~ds = FluidDataSet(s).load(~dict);
+	~pca = FluidPCA(s,5);
+	~pca.fit(~ds);
+	b = Buffer.alloc(s,5);
+	s.sync;
+	b.setn(0,Array.fill(5,{rrand(-1.0,1.0)}).postln);
+	// ~ds.getPoint(0,b);
+	c = Buffer.alloc(s,5);
+}
+)
+
+b.plot
+
+~pca.transformPoint(b,c);
+
+(
+c.loadToFloatArray(action:{
+	arg fa;
+	fa.postln;
+});
+)
+
+~pca.inverseTransformPoint(c,b);
+
+(
+b.loadToFloatArray(action:{
+	arg fa;
+	fa.postln;
+});
+)
\ No newline at end of file