Update README.md

Author: dervinism

README.md

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 # kdeModalityTest
-Matlab kernel density excess mass estimate of data modality described by Fisher and Marron (2001). Only circular implementation is currently available. Linear implementation is pending.
+Matlab kernel density excess mass estimate of data modality described by Fisher and Marron (2001).
 
 Reference:  N. I. Fisher and J. S. Marron, "Mode Testing via the Excess Mass Estimate," Biometrika 88 (2), 499-517 (2001).