A situation in which there is one explanatory variable x and it is known that the linear regression line must pass through the origin (because it is known that Y must be zero when x is zero). In this case the estimate of the slope using the method of least squares is
for data points (x1, y1),…, (xn, yn).
- Leo
- Leo III (680–741)
- Leo I, St (390–461)
- Leo IX, St (1002–54)
- Leo Minor
- Leonardian
- Leonardo
- Leonardo da Vinci (1452–1519)
- Leonardo of Pisa
- Leonidas (480)
- Leonid meteors
- Leonov, Aleksei Arkhipovich (1934– )
- Leontief paradox
- LEOP
- leopard
- Leopold I (1640–1705)
- Leopold II (1835–1909)
- LEOS
- LEP
- Lepanto, Battle of (7 October 1571)
- Le Pichon, Xavier (1937– )
- lepidoblastic
- lepidocrocite
- Lepidodendron selaginoides
- lepidolite