Open AccessThe influence of SO4 and NO3 to the acidity (pH) of rainwater using minimum variance quadratic unbiased estimation (MIVQUE) and maximum likelihood methods
Author(s) -
Shintia Ulfa Dilla,
Yudhie Andriyana,
Sudartianto
Publication year - 2017
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.4979455
Subject(s) - rainwater harvesting , nitric acid , sulfuric acid , mathematics , variance (accounting) , minimum variance unbiased estimator , statistics , quadratic equation , variance components , maximum likelihood , chemistry , mean squared error , inorganic chemistry , economics , ecology , geometry , accounting , biology
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