Hi,

 

I've been using the chron package to convert excel time into
month/day/year and h:m:s formats, specifically for use as axis labels.
I've come across something I don't quite understand.

 

### Here are some excel times:

dat = c(39083, 39083.00694, 39083.01389, 39083.02083, 39083.02778, 

39083.03472, 39083.04167, 39083.04861, 39083.05556, 39083.0625

)

 

### I create date/time vectors from excel times:

orig =chron("01/01/1900");

# month/day/year h:m:s format

date.time = orig + dat-2; 

# h:m:s format

time= date.time - floor(date.time); 

# month/day/year format

date = orig + floor(dat)-2; 

 

#I can easily recreate the date.time vector without the parenthesis (as
characters though):

paste(date, time)

 

But, I don't see why the values in the ORIGINAL date.time vector have
parenthesis around them?  Is there as specific reason?

 

Thanks!

 

ken

 

kat215@psu.edu

 


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