0410836 20240103182242.720060210235959.9 30 s. cav_un_epca*02507910020-3157542 (2002)261-290 robust regression M-estimate sensitivity study on deletion of a group of observations cav_un_auth*0101225 Víšek Jan Ámos UTIA-B Ústav teorie informace a automatizace AV ČR, v. v. i. 12B 255/2000/A EK/FSV GA UK CZ CEZ:AV0Z1075907 Formulas for the change of the M-estimate of regression coefficients when a group of observation is deleted are given for following situations : a) number of deleted observations is fix when number of obserations N goes to infinity, b) number of deleted observations tends to infinity when N goes to infinity, however is asymptotically negligible with respect to N, c) number of deleted observations is proportional to N which goes to infinity. Consequences of the results are discussed. BB SI http://hdl.handle.net/11104/0130923 UTIA-B 20020050 2002 cav_un_epca*0250791 Annals of the Institute of Statistical Mathematics 0020-3157 1572-9052 Roč. 54 č. 2 2002 261 290