Subject: Re: [R] function for the average or expected range?;
CORECTION
Hi, Greg:
1. I did the integration in Excel for four reasons:
First, it's easier (even for me) to see what's happening and
debug for something that simple. Second, my audience were
people who were probably
PM
To: Greg Snow
Cc: r-help@r-project.org
Subject: Re: [R] function for the average or expected range?; CORECTION
Hi, Greg:
Thanks very much for the reply.
1. The 'ptukey' and 'qtukey' function are the distribution of the
studentized range, not the range. I tried sum(ptukey(x, 2
.
*From:* Spencer Graves [mailto:[EMAIL PROTECTED]
*Sent:* Fri 3/21/2008 3:39 PM
*To:* Greg Snow
*Cc:* r-help@r-project.org
*Subject:* Re: [R] function for the average or expected range?; CORECTION
Hi, Greg:
Thanks very much for the reply.
1. The 'ptukey' and 'qtukey
Hi, All:
** My previous email on this subject seemed to contain an error; check
the correction:
Is there a function in R to compute the expected range of a sample
of size n from some distribution? I ask, because I was recently asked
about the control chart constant 'd2', which is the
Hi, All:
** My previous email on this subject seemed to contain an error; check
the correction below; please excuse my errors.
Is there a function in R to compute the expected range of a sample
of size n from some distribution? I ask, because I was recently asked
about the control chart
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Spencer Graves
Sent: Friday, March 21, 2008 11:13 AM
To: r-help@r-project.org
Subject: [R] function for the average or expected range?; CORECTION
Hi, All:
** My previous email on this subject seemed to contain
Hi, Greg:
Thanks very much for the reply.
1. The 'ptukey' and 'qtukey' function are the distribution of the
studentized range, not the range. I tried sum(ptukey(x, 2, df=Inf,
lower=FALSE))*.1 and got 1.179 vs. 1.128 in the standard table of d2
for n = 2 observations per
7 matches
Mail list logo
