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365
2012 Oct 23
1
Filling a covariance matrix
...ear?s worth of
sub-daily observations of flow (?Q?) and specific conductance (?SC?, a
surrogate for concentration) at a point in a stream. The R code posted
below shows the extent of data processing thus far. My goal is to create a
covariance matrix that takes on the following form:
Q1 Q2 ? Q365 SC1 SC2 ? SC365
Q1
Q2
?
Q365
SC1
SC2
...
SC365
Where the covariance between Q1 (flow on day 1) & Q2 (flow on day 2) is
determined using the sub-daily data contained in the variable ?x? of the R
code below. Similarly, the covariance between Q1 & SC1 (specific
conductance on day 1) would b...