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-rw-r--r--src/argaze/GazeFeatures.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/argaze/GazeFeatures.py b/src/argaze/GazeFeatures.py
index e92e41c..574727c 100644
--- a/src/argaze/GazeFeatures.py
+++ b/src/argaze/GazeFeatures.py
@@ -166,14 +166,14 @@ class TimeStampedGazePositions(DataStructures.TimeStampedBuffer):
precision: specific precision column label if exist.
"""
- # Select columns
+ # Copy columns
if precision:
- df = dataframe[[timestamp, x, y, precision]]
+ df = dataframe.loc[:, (timestamp, x, y, precision)]
else:
- df = dataframe[[timestamp, x, y]]
+ df = dataframe.loc[:, (timestamp, x, y)]
# Merge x and y columns into one 'value' column
df['value'] = tuple(zip(df[x], df[y]))