000 00342nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aRamachandran,P
245 _aMissing values:alternatives in data analysis
260 _aNew Delhi
260 _bAshiah
260 _c1987
300 _a95p.
650 _aData analysis
763 _a6468
999 _c41838
_d41838