I have a vector:
df <- c(5,9,-8,-7,-1)
How can I identify the position prior to a change in sign?
ie df[2]
I have a vector: df <- c(5,9,-8,-7,-1) How can I identify the position prior
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I have a vector:
df <- c(5,9,-8,-7,-1)
How can I identify the position prior to a change in sign?
ie df[2]
This is pretty simple, if you know about the
signfunction…