Show channel stats

CHANGELOG.md

@@ -2,6 +2,7 @@
 ### Added
 - Add close icon to sidebar on hover ([#454](https://github.com/cbrnr/mnelab/pull/454) by [Benedikt Klöckl](https://github.com/bkloeckl))
 - Add Python 3.13 support ([#457](https://github.com/cbrnr/mnelab/pull/457) by [Clemens Brunner](https://github.com/cbrnr))
+- Add functionality to display channel stats ([#462](https://github.com/cbrnr/mnelab/pull/462) by [Benedikt Klöckl](https://github.com/bkloeckl))
 
 ### Changed
 - Change the append dialog appearance to include original indices used for identifying the data ([#449](https://github.com/cbrnr/mnelab/pull/449) by [Benedikt Klöckl](https://github.com/bkloeckl))

pyproject.toml

@@ -22,16 +22,18 @@ classifiers = [
 ]
 keywords = ["EEG", "MEG", "MNE", "GUI", "electrophysiology"]
 dependencies = [
-    "mne >= 1.7.0",
-    "PySide6 >= 6.7.1",
     "edfio >= 0.4.2",
     "matplotlib >= 3.8.0",
+    "mne >= 1.7.0",
     "numpy >= 2.0.0",
-    "scipy >= 1.14.1",
+    "pandas >= 2.2.3",
     "pybv >= 0.7.4",
+    "pyobjc-framework-cocoa >= 10.0; platform_system=='darwin'",
     "pyxdf >= 1.16.4",
-    "pyobjc-framework-Cocoa >= 10.0; platform_system=='Darwin'",
+    "pyside6 >= 6.7.1",
+    "scipy >= 1.14.1",
 ]
+
 dynamic = ["version"]
 
 [project.optional-dependencies]

src/mnelab/dialogs/channel_stats.py

@@ -0,0 +1,46 @@
+# © MNELAB developers
+#
+# License: BSD (3-clause)
+from PySide6.QtWidgets import (
+    QDialog,
+    QPushButton,
+    QTableWidget,
+    QTableWidgetItem,
+    QVBoxLayout,
+)
+
+
+class ChannelStats(QDialog):
+    def __init__(self, parent, data):
+        super().__init__(parent=parent)
+
+        # window
+        self.setWindowTitle("Channel Stats")
+        self.resize(690, 800)
+        self.setMinimumSize(200, 150)
+        self.setMaximumWidth(690)
+        layout = QVBoxLayout(self)
+
+        # table widget
+        self.table = QTableWidget()
+        self.table.setRowCount(len(data))
+        self.table.setColumnCount(len(data.columns))
+        self.table.setHorizontalHeaderLabels(data.columns)
+
+        # populate table
+        for row in range(len(data)):
+            for col in range(len(data.columns)):
+                item = QTableWidgetItem(str(data.iloc[row, col]))
+                self.table.setItem(row, col, item)
+
+        self.table.resizeColumnToContents(0)  # name
+        self.table.resizeColumnToContents(1)  # type
+        self.table.resizeColumnToContents(2)  # unit
+        layout.addWidget(self.table)
+
+        # add close button
+        close_button = QPushButton("Close")
+        close_button.clicked.connect(self.close)
+        layout.addWidget(close_button)
+
+        self.setLayout(layout)

src/mnelab/mainwindow.py

@@ -29,6 +29,7 @@
 from pyxdf import resolve_streams
 
 from mnelab.dialogs import *  # noqa: F403
+from mnelab.dialogs.channel_stats import ChannelStats
 from mnelab.io import writers
 from mnelab.io.mat import parse_mat
 from mnelab.io.npy import parse_npy
@@ -315,6 +316,10 @@ def __init__(self, model: Model):
             self.show_history,
             QKeySequence(Qt.CTRL | Qt.Key_Y),
         )
+        self.actions["channel_stats"] = view_menu.addAction(
+            "&Channel Stats",
+            self.show_channel_stats,
+        )
         self.actions["toolbar"] = view_menu.addAction("&Toolbar", self._toggle_toolbar)
         self.actions["toolbar"].setCheckable(True)
         self.actions["statusbar"] = view_menu.addAction(
@@ -537,6 +542,9 @@ def data_changed(self):
             self.actions["epoch_data"].setEnabled(
                 enabled and events and self.model.current["dtype"] == "raw"
             )
+            self.actions["channel_stats"].setEnabled(
+                enabled and self.model.current["dtype"] == "raw"
+            )
             self.actions["drop_bad_epochs"].setEnabled(
                 enabled and events and self.model.current["dtype"] == "epochs"
             )
@@ -1245,6 +1253,11 @@ def show_history(self):
         dialog = HistoryDialog(self, "\n".join(self.model.history))
         dialog.exec()
 
+    def show_channel_stats(self):
+        """Show channel stats."""
+        dialog = ChannelStats(self, self.model.current["data"].describe(True))
+        dialog.exec_()
+
     def show_about(self):
         """Show About dialog."""
         from . import __version__