Displaying 11 results from an estimated 11 matches for "27.76".
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7.76
2017 Dec 07
1
Seeking help with code
Assuming the days of raining during half a year of all states(provinces) of a country is normally distributed (mean=?, standard deviation=?) with sigma (?) equals to 2. We now have 10 data points here: 26.64, 30.65, 31.27, 33.04, 32.56, 29.10, 28.96, 26.44, 27.76, 32.27. Try to get the 95% level of CI for ?, using parametric Bootstrap method with bootstrap size B=8000.
my code - what am i doing
2007 Aug 02
1
Using 'diff' on zoo vs zooreg classes (possible bug?)
Hello,
Can anyone explain the following behaviour? To me it seems a bug, but maybe
it is intentional.
It seems that a diff on a zooreg class that is not _strictly_ regular only
considers those entries that are 'deltat' apart.
In the following, diff on the zooreg class only returns values where the
index was one second apart. The example replicates by dev code, but I've
also tested
2010 Jan 04
1
log-normal overlay
Hello,
Using the following lines of code, I created the following graph:
2010 Jan 04
1
log normal overlay
Hello,
Using the following lines of code, I created the following graph:
2016 May 27
2
Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2
All of our Kafka clusters are fairly write-heavy. The cluster in question is our second-heaviest ? we haven?t yet upgraded the heaviest, due to the issues we?ve been experiencing in this one.
Here is an iostat example from a host within the same cluster, but without the RAID check running:
[root at r2k1 ~] # iostat -xdmc 1 10
Linux 3.10.0-327.13.1.el7.x86_64 (r2k1) 05/27/16 _x86_64_ (32 CPU)
2016 Jun 01
0
Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2
I did some additional testing - I stopped Kafka on the host, and kicked off a disk check, and it ran at the expected speed overnight. I started kafka this morning, and the raid check's speed immediately dropped down to ~2000K/Sec.
I then enabled the write-back cache on the drives (hdparm -W1 /dev/sd*). The raid check is now running between 100000K/Sec and 200000K/Sec, and has been for several
2014 Sep 01
1
Correlation Matrix with a Covariate
R Help -
I'm trying to run a correlation matrix with a covariate of "age" and will
at some point will also want to covary other variables concurrently.
I'm using the "psych" package and have tried other methods such as writing
a loop to extract semi-partial correlations, but it does not seem to be
working. How can I accomplish this?
library(psych)
> set.cor(y =
2016 May 25
6
Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2
I?ve posted this on the forums at https://www.centos.org/forums/viewtopic.php?f=47&t=57926&p=244614#p244614 - posting to the list in the hopes of getting more eyeballs on it.
We have a cluster of 23 HP DL380p Gen8 hosts running Kafka. Basic specs:
2x E5-2650
128 GB RAM
12 x 4 TB 7200 RPM SATA drives connected to an HP H220 HBA
Dual port 10 GB NIC
The drives are configured as one large
1997 Aug 18
1
R-beta: bug report
The following seems to be a bug when I tried to use the predict function.
> forbes
boil.pt pressure log.pressure
[1,] 194.5 20.79 303.4472
[2,] 194.3 20.79 303.4472
[3,] 197.9 22.40 310.9061
[4,] 198.4 22.67 312.1042
[5,] 199.4 23.15 314.1995
[6,] 199.9 23.35 315.0597
[7,] 200.9 23.89 317.3460
[8,] 201.1 23.99
2009 Apr 03
35
Xen system hang or freeze
Hi all,
This is my first post to the list, I hope someone out there can help!
I am running xen 3.0.3, with CentOS 5.2 based Dom0
(kernel-xen-2.6.18-92.1.22.el5)
Recently I have noticed some complete system lockups on a few different
servers. Neither Dom0 or any of the guests respond to pings, connecting a
keyboard and monitor to the system only shows a blank screen. Nothing is
written to logs
2013 Apr 30
0
lmer Error: Downdated X'X is not positive definite
Hi,
This is the first time I've posted, and I apologize if I formulate this
incorrectly.
I am analyzing data from a multi-region carrot variety trial. 35 varieties
of carrots were grown in 3 randomized complete blocks in organic and
conventional fields in Wisconsin, Indiana, Washington, and California. In
this example I am comparing the heights of the carrot tops at harvest.
In other