Do not keep name in utils.phaseof by default

CITATION.cff

@@ -33,5 +33,5 @@ keywords:
   - spectroscopy
   - submillimeter
 license: MIT
-version: 2025.6.1
-date-released: '2025-06-23'
+version: 2025.8.0
+date-released: '2025-08-18'

README.md

@@ -11,7 +11,7 @@ DESHIMA code for data analysis
 ## Installation
 
 ```shell
-pip install decode==2025.6.1
+pip install decode==2025.8.0
 ```
 
 ## Quick look

decode/__init__.py

@@ -11,7 +11,7 @@
     "stats",
     "utils",
 ]
-__version__ = "2025.6.1"
+__version__ = "2025.8.0"
 
 
 # submodules

decode/utils.py

@@ -46,6 +46,7 @@ def phaseof(
     *,
     keep_attrs: bool = False,
     keep_coords: bool = False,
+    keep_name: bool = False,
 ) -> xr.DataArray:
     """Assign a phase to each value in a 1D DataArray.
 
@@ -57,6 +58,7 @@ def phaseof(
         da: Input 1D DataArray.
         keep_attrs: Whether to keep attributes of the input.
         keep_coords: Whether to keep coordinates of the input.
+        keep_name: Whether to keep name of the input.
 
     Returns:
         1D int64 DataArray of phases.
@@ -69,4 +71,11 @@ def phaseof(
     is_transision.data[1:] = da.data[1:] != da.data[:-1]
 
     phase = is_transision.cumsum(keep_attrs=keep_attrs)
-    return phase if keep_coords else phase.reset_coords(drop=True)
+
+    if not keep_coords:
+        phase = phase.reset_coords(drop=True)
+
+    if not keep_name:
+        phase = phase.rename(None)
+
+    return phase

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "decode"
-version = "2025.6.1"
+version = "2025.8.0"
 description = "DESHIMA code for data analysis"
 readme = "README.md"
 keywords = [