Check the target variable counts in train data set

check_target_label.py

plt.figure(figsize=(10, 6))
total_ = float(len(y_train))
ax = sns.countplot(y_train)
for p in ax.patches:
    height = p.get_height()
    ax.text(p.get_x() + p.get_width() / 2.,
            height + 10,
            '{0:1.1%}'.format(height / total_),
            ha='center')
plt.title('Training label distribution', fontsize=16)
plt.show();