Show Reference: "Updating mean and variance estimates: an improved method"

Updating mean and variance estimates: an improved method Communications of the ACM, Vol. 22, No. 9. (1 September 1979), pp. 532-535, doi:10.1145/359146.359153 by D. H. D. West
@article{west-1979,
    abstract = {A method of improved efficiency is given for updating the mean and variance of weighted sampled data when an additional data value is included in the set. Evidence is presented that the method is stable and at least as accurate as the best existing updating method.},
    address = {New York, NY, USA},
    author = {West, D. H. D.},
    day = {1},
    doi = {10.1145/359146.359153},
    issn = {00010782},
    journal = {Communications of the ACM},
    keywords = {math},
    month = sep,
    number = {9},
    pages = {532--535},
    posted-at = {2011-11-08 15:45:41},
    priority = {2},
    publisher = {ACM},
    title = {Updating mean and variance estimates: an improved method},
    url = {http://dx.doi.org/10.1145/359146.359153},
    volume = {22},
    year = {1979}
}

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