search for: lidaky

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

2012 Feb 29
1
The joys of Nabble: Re: Cannot use negative argument in function
...e example? What are we trying to solve? With the erroneous formatting codes removed, the function runs, as far as I can tell. Sarah > should that be > > ?TT <- "Temp"+273.15 > or > ?TT <- Temp+273.15 > or something else? > > On Wed, Feb 29, 2012 at 2:14 PM, lidaky <svfilhol at alaska.edu> wrote: > >> here is the code: >> >> index.refraction <- function(Temp,Press, RH, CO2) >> { >> ?#define constant >> ?lambda ?<- ?531 #nm >> ?Co ?<- 299792458 #m/s >> ?ww <- c(295.235,2.6422,-0.03238,0.00402...
2012 Feb 29
3
Cannot use negative argument in function
Hi, today i wrote a function in R of the type: index.refraction <- function(Temp,Press, RH, CO2) When i try to plug a negative number in Temp, i got this type of error: " n <- index.refraction(Temp= -40,100,80,CO2) Messages d'avis : 1: In Ops.ordered(left, right) : '-' is not meaningful for ordered factors 2: In Ops.factor(left, right) : - not meaningful for factors 3: