Hi R-Helpers,
I don't think I need to post a dataset for this question but if I do, I
can. Anyway, I am having a lot of trouble with the ifelse command.
Here is my code:
vn$PM.DIST_flag - ifelse( (vn$PM.EXP 0.0) (vn$PM.DIST.TOT != 1.0), 1,
0 )
And here is my output that doesn't make ANY
On Fri, Aug 24, 2012 at 3:22 PM, Jennifer Sabatier
plessthanpointohf...@gmail.com wrote:
Hi R-Helpers,
I don't think I need to post a dataset for this question but if I do, I
can. Anyway, I am having a lot of trouble with the ifelse command.
You probably should have: dput() makes it super
Oops, sorry, I thought I was in plain text. I can't tell the
difference because I use so little formatting in my emails.
Try this (a truncated version since I have to hand space everything):
PM.EXP PM.DIST.TOT PM.DIST_flag
0 00
6417 1
... and if Michael is correct, there is a lesson here: Think of how
much time and aggravation you would have saved yourself if you had
FIRST made an effort to read the docs. The FAQ's are there for a
reason. As is An Introduction to R, which also should be read before
posting on this list.
If
On 2012-08-24 13:22, Jennifer Sabatier wrote:
Hi R-Helpers,
I don't think I need to post a dataset for this question but if I do, I
can. Anyway, I am having a lot of trouble with the ifelse command.
Here is my code:
vn$PM.DIST_flag - ifelse( (vn$PM.EXP 0.0) (vn$PM.DIST.TOT != 1.0), 1,
0 )
Bert,
I will thank you not to condescend to me, as I am too damn old (40) to
be treated that way. You didn't even offer a solution to my problem.
You only came to chastise me with regards to your assumptions about
me, which is very annoying.
While I am at the beginner level of R, I am not an
Hi Peter,
I'm really sorry, I thought I was in plain text. I don't use any
formatting in my emails and in Gmail the HTML looks the same as plain
text.
Anyway, I've attached the data (I didn't think we could do that but I
am frequently wrong).
I say many cases because this is just a subset of
Hello,
Michael's standard guess, FAQ 7.31, was also mine, but is wrong. The
error is in Jennifer's flag column, not the result of her ifelse. (!)
x - scan(what=character, text=
PM.EXP PM.DIST.TOT PM.DIST_flag 0 0 0 0 0 0 0 0 0 177502 1 0 31403 1
0 0 0 0 1100549 1 0 38762 1 0 0 0 0
BTW - no one else who has replied to this topic was snobby or
unfriendly and I thank you very much for trying to help me.
It's just Bert is not the first to respond to my request for help as
such. As someone looking forward to becoming an advanced R programmer
in my statistical work it is
Hi Rui,
Thanks so much for responding but I think with my HTML problem the vn
data you made must not be the same. I tried running your code on the
data (I uploaded a copy) and I got the same thing I had before.
Jen
On Fri, Aug 24, 2012 at 5:28 PM, Rui Barradas ruipbarra...@sapo.pt wrote:
Off the wall / wild guess, do you use attach() frequently? Not
entirely sure how it would come up, but it tends to make weird errors
like this occur.
M
On Fri, Aug 24, 2012 at 4:36 PM, Jennifer Sabatier
plessthanpointohf...@gmail.com wrote:
Hi Rui,
Thanks so much for responding but I think
Hi Michael,
No, I never use attach(), exactly for the reasons you state. To do
due diligence I did a search of code for the function and it didn't
come up (I would have been shocked because I never us it!).
Now that real data is up, does your suggestion still apply? I am
reading it now.
No data arrived to me.
Rui Barradas
Em 24-08-2012 22:46, Jennifer Sabatier escreveu:
Hi Michael,
No, I never use attach(), exactly for the reasons you state. To do
due diligence I did a search of code for the function and it didn't
come up (I would have been shocked because I never us it!).
On Fri, Aug 24, 2012 at 4:46 PM, Jennifer Sabatier
plessthanpointohf...@gmail.com wrote:
Hi Michael,
No, I never use attach(), exactly for the reasons you state. To do
due diligence I did a search of code for the function and it didn't
come up (I would have been shocked because I never us
On Fri, Aug 24, 2012 at 4:50 PM, R. Michael Weylandt
michael.weyla...@gmail.com wrote:
On Fri, Aug 24, 2012 at 4:46 PM, Jennifer Sabatier
plessthanpointohf...@gmail.com wrote:
Hi Michael,
No, I never use attach(), exactly for the reasons you state. To do
due diligence I did a search of code
Oh, sorry, I first though you couldn't post data to the list, but then
I thought I remembered other people doing so, so I tried to post it.
Here is a copy.
Thanks,
Jen
On Fri, Aug 24, 2012 at 5:49 PM, Rui Barradas ruipbarra...@sapo.pt wrote:
No data arrived to me.
Rui Barradas
Em
Hi Michael,
Thanks for letting me know how to post data. I will try to upload it
that way in a second.
I can usually use code to make a reproducible dataset but this time
with the ifelse behaving strangely (perhaps, it's probably me) I
didn't think I could do it easily so I figured I would just
I see that you got other responses while I was composing an answer.
Your 'example.csv' did come through for me, but I still can't
replicate your PM.DIST_flag variable. Specifically, observations
30, 33, 36 and 40 are wrong.
I agree with Rui, that there's something else going on. The data
you've
AHHH I GOT IT!!
And I *think* I understand about floating point arithmetic..
In this case vn$PM.DIST.TOT is the sum of proportions. So, it should
be anywhere 0 and 1.
In our case, if it's anything other than 1 when vn$PM.EXP is greater
than 0 then it means something is wrong
On Fri, Aug 24, 2012 at 7:29 PM, Jennifer Sabatier
plessthanpointohf...@gmail.com wrote:
AHHH I GOT IT!!
And I *think* I understand about floating point arithmetic..
Well then you're doing much better than the rest of us: it's quite a
difficult subject and only gets trickier as
Hah - I guess I didn't mean I understood it in full as I expect I will
run into it again without anticipating it.
But, now that I know the old adage I will look there first when I
run into a problem.
Also, I used the square root of machine precision instead - thanks for
that, too.
Thank you,
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