search for: headwater

Displaying 2 results from an estimated 2 matches for "headwater".

Did you mean: headmaster
2009 Feb 11
2
problem with 'which' and strings
...quot;FishDELTPct" "Minnows-Tolerant" [7] "NumberPer100m-Tolerant" "Sensitive" "SLithopPct" [10] "TolerantPct" "Omnivore" "PiscivorePct" [13] "Headwater-Tolerant" "Insect-Tolerant" "Wetland-Tolerant" [16] "Piscivore" "DarterSculpNot" "OmnivorePct" [19] "SlithopPct" For this given site the metrics that are calculated are XXX.table$Metr...
2011 Oct 08
0
Accouting for temporal correlation in linear regression
I measured nitrate concentration and primary production (PP) biweekly for 23 months in one headwater stream. I would like to use linear regression to determine if PP is related to nitrate concentration. My dataframe is called "data" and consists of the vectors Rdate, PP, and nitrate. Rdate is the observation date in class "date" and PP is primary production. I first fit...