<jupyter_start><jupyter_text>Load all datasets<jupyter_code>df_train = pd.read_feather("../../../../data/processed/CLTP_train_set.feather")
df_opt = pd.read_feather("../../../../data/processed/CLTP_optimization_set.feather")
df_val = pd.read_feather("../../../../data/processed/CLTP_validation_set.feather")
df_test = pd.read_feather("../../../../data/processed/CLTP_test_set.feather")<jupyter_output><empty_output><jupyter_text>Check class distribution<jupyter_code>df_train["CLTP"].value_counts().plot.bar()
df_opt["CLTP"].value_counts().plot.bar()
df_val["CLTP"].value_counts().plot.bar()
df_test["CLTP"].value_counts().plot.bar()<jupyter_output><empty_output>
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