# Friedhelm Eicker

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**Friedhelm Eicker** (5 April 1927 – 19 March 2022) was a German [statistician](/source/Statistician) and [former professor](/source/Emeritus) at the [University of Dortmund](/source/University_of_Dortmund). He is known for his contributions in the development of [heteroscedasticity-consistent standard errors](/source/Heteroscedasticity-consistent_standard_errors).[1]

A native of [Radevormwald](/source/Radevormwald), Eicker earned his PhD from the [University of Mainz](/source/University_of_Mainz) in 1956.[2]

## References

1. Eicker, Friedhelm (1967). ["Limit Theorems for Regression with Unequal and Dependent Errors"](http://projecteuclid.org/euclid.bsmsp/1200512981). *Proceedings of the Fifth Berkeley Symposium on Mathematical Statistics and Probability*. Vol. 5, no. 1. University of California Press. pp. 59–82. MR 0214223. Zbl 0217.51201.

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