Hi all,
A bit stumped here.
z - seq(.05,.85,by=.1)
z==.05 #good
[1] TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
z==.15 #huh
[1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
More generally:
sum(z==.25)
[1] 1
sum(z==.35)
[1] 0
sum(z==.45)
[1] 1
sum(z==.55)
[1] 1
On Jul 3, 2014, at 1:28 PM, Matthew Keller mckellerc...@gmail.com wrote:
Hi all,
A bit stumped here.
z - seq(.05,.85,by=.1)
z==.05 #good
[1] TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
z==.15 #huh
[1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
More
FAQ 7.31
Sent from my Verizon Wireless 4G LTE Smartphone
div Original message /divdivFrom: Matthew Keller
mckellerc...@gmail.com /divdivDate:07/03/2014 11:28 (GMT-08:00)
/divdivTo: r help r-help@r-project.org /divdivSubject: [R] odd
behavior of seq() /divdiv
/divHi all
Precision, precision, precision...
z[2]-0.15
[1] 2.775558e-17
My solution:
z - signif(seq(.05,.85,by=.1), 5)
z[2] - 0.15
[1] 0
z[2]==0.15
[1] TRUE
Peter
On Thu, Jul 3, 2014 at 11:28 AM, Matthew Keller mckellerc...@gmail.com wrote:
Hi all,
A bit stumped here.
z - seq(.05,.85,by=.1)
thanks all!
On Thu, Jul 3, 2014 at 12:38 PM, Peter Langfelder
peter.langfel...@gmail.com wrote:
Precision, precision, precision...
z[2]-0.15
[1] 2.775558e-17
My solution:
z - signif(seq(.05,.85,by=.1), 5)
z[2] - 0.15
[1] 0
z[2]==0.15
[1] TRUE
Peter
On Thu, Jul 3, 2014 at
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