Weighted incremental algorithm ( Variance Calculations): Difference between revisions

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(Created page with "== Time Complexity == $O(n)$ == Space Complexity == $O({1})$ auxiliary words (Maintains O(1) information (sum of weights, sum of squared weights, weighted sum of values, weighted sum of values squared) that is constantly updated as values are read) == Description == == Approximate? == Exact == Randomized? == No, deterministic == Model of Computation == Word/Real RAM == Year == 1979 == Reference == https://dl.acm.org/doi/10.1145/359146.359153")
 
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== Space Complexity ==  
== Space Complexity ==  


$O({1})$ auxiliary words
$O({1})$ words


(Maintains O(1) information (sum of weights, sum of squared weights, weighted sum of values, weighted sum of values squared) that is constantly updated as values are read)
(Maintains O(1) information (sum of weights, sum of squared weights, weighted sum of values, weighted sum of values squared) that is constantly updated as values are read)

Latest revision as of 09:42, 10 April 2023

Time Complexity

$O(n)$

Space Complexity

$O({1})$ words

(Maintains O(1) information (sum of weights, sum of squared weights, weighted sum of values, weighted sum of values squared) that is constantly updated as values are read)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word/Real RAM

Year

1979

Reference

https://dl.acm.org/doi/10.1145/359146.359153