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Figure 4: (a) Scatter diagram showing correlation analysis between columella alar angle and nares axis angle. Line of regression depicting the extent of linear relationship along with R^{2} value is also shown in the figure. (b) Scatter diagram showing correlation analysis between columella alar angle and dorsum–base ratio. Line of regression depicting the extent of linear relationship along with R^{2} value is also shown in the figure. (c) Scatter diagram showing correlation analysis between nares axis angle and dorsum–base ratio. Line of regression depicting the extent of linear relationship along with R^{2} value is also shown in the figure 
