Description Usage Arguments Details Value Author(s) See Also Examples
View source: R/OLE-productmoment.R
calculates product-moment correlation coefficient from two datasets
1 | OLE.productmoment(data1, data2, CheckData = TRUE)
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data1 |
data.frame; can either be an abundance dataset. |
CheckData |
logical; if TRUE the CheckData() function will be run in advance. |
data1 |
data.frame; can either be an abundance dataset. |
Calculates the product moment correlation coefficient as found in 'The Measurement of Niche Overlap and Some Relatives' (Hurlbert, S.H. 1971). The function takes abundance datasets as input.
numeric value representing product-moment correlation coefficient.
Florian Berger <florian_berger@ymail.com>
1 2 3 4 5 6 7 8 9 10 11 | #Create Datasets
a <- c(1:10)
dates1 <- as.Date(a, origin = '2017-01-01')
count1 <- c(1,1,3,4,6,9,5,4,2,1)
dat1 <- data.frame(dates1, count1)
b <- c(6:15)
dates2 <- as.Date(b, origin = '2017-01-01')
count2 <- c(1,2,4,5,6,9,3,4,1,1)
dat2 <- data.frame(dates2, count2)
OLE.productmoment(dat1,dat2)
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