Add t-statistic images as valid targets in ImageTransformer (#895)

Add t-statistic image as valid target in ImageTransformer

nimare/tests/test_transforms.py

@@ -30,6 +30,12 @@ def test_ImageTransformer(testdata_ibma):
     new_p_files = new_dset.images["p"].tolist()
     assert all([isinstance(pf, str) for pf in new_p_files])
 
+    t_files = dset.images["t"].tolist()
+    t_transformer = transforms.ImageTransformer(target="t")
+    new_dset = t_transformer.transform(dset)
+    new_t_files = new_dset.images["t"].tolist()
+    assert t_files[:-1] == new_t_files[:-1]
+
 
 def test_transform_images(testdata_ibma):
     """Smoke test on transforms.transform_images."""

nimare/transforms.py

@@ -110,7 +110,7 @@ def transform_images(images_df, target, masker, metadata_df=None, out_dir=None,
     """
     new_images_df = images_df.copy()  # Work on a copy of the images_df
 
-    valid_targets = {"z", "p", "beta", "varcope"}
+    valid_targets = {"t", "z", "p", "beta", "varcope"}
     if target not in valid_targets:
         raise ValueError(
             f"Target type {target} not supported. Must be one of: {', '.join(valid_targets)}"