2D Normal Distributions
Interact with a correlated bivariate normal density. Adjust the means, standard deviations, and correlation to see how they reshape the joint surface and the marginal PDFs. Rotate or zoom the 3D plot to get a clearer sense of the bowl shape and elliptical level curves.
3D surface
Elliptic contours
Marginals
Controls
Drag the sliders or enter values to highlight a parameter in the joint PDF.
0.30
0.0
0.0
2.00
1.40
Joint + marginals
Peak height
—
Contour type
Ellipses unless ρ = 0
Joint PDF