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2005 Feb 24
2
a question about function eval()
Hi,
I have a question about the usage of eval(). Wonder if any experienced user can help me out of it.
I use eval() in the following function:
semireg.pwl <- function(coef.s=rnorm(1),coef.a=rnorm(1),knots.pos=knots.x,knots.ini.val=knots.val){
knotn <- length(knots.pos)
def.par.env <- sys.frame(1)
print(def.par.env)
print(environment(coef.s))
tg <- eval( (parse(text=
2011 Jul 12
0
timezones - any practical solution?
...65 426
365 days 426.0000 days
12 2010-12-01 2011-12-01 2012-01-01
365 396
365 days 396.0000 days
Variables 'days2End1.from.Excel and 'days2End2.from.Excel' are alculated
in Excel.
Same calculation (with same outcome!) I would like to be able to perform
with R.
Variables 'days2End1.in.R' and 'days2End2.in.R are calculated with R.
> Dataset$days2End1.from.Excel
[1] 365 365 365 365 365 365 365 365 365 365 365 365
> Dataset$days2End1.in.R <-...