similar to: Data frames

Displaying 20 results from an estimated 400 matches similar to: "Data frames"

2005 May 27
4
Chars as numbers
Is there a proper function for transforming a character to a number instead of using i=match('c',letters) # 3 Thanks. Josef Eschgf??ller -- Josef Eschgf??ller Dipartimento Matematico Universita' di Ferrara http://felix.unife.it
2005 May 23
1
Backslash
Why sometimes one has to put a double backslash in regular expressions, but often simple backslashes work too? Is only a \ required for giving a metacharacter its usual meaning? --------------------------------------- u=grep('\\{[\\-u]x',a,perl=T) # equivalent to u=grep('\{[\-u]x',a,perl=T) # but u=grep('\w',a,perl=T) # is not correct and requires
2005 Apr 06
2
Precision
How precise is R numerically? For example I wrote the following function for calculating the volume of the ball inscribed in the unit cube in m dimensions. In order to see what happens in 40 dimensions, I created an output of 24 digits. But how many are precise? Thanks Josef Eschgf?ller Ferrara --------------------------------------- Vol = function (m) {if (m<=1) 1 else Vol(m-2)*pi/(m+m)}
2005 May 19
3
Drawing a circle
Hi. I need to draw a circle whit center (a,b) and radio r. So I use the R code below a<-1.975 # valore x del centro b<-1.215 # valores y del centro r<-1.46 # radio x1<-seq(a-r,a+r,by=0.01); #los valores de x yp<-sqrt(r^2-(x1-a)^2)+b; # los valores y a partir de la ra??z positiva yn<-(-1)*sqrt(r^2-(x1-a)^2)+b; # los valores y a partir de la ra??z negativa x<-c(x1,x1);
2002 Apr 11
3
new acf package
I'm a PhD student and I'm working with covariance function. I'm interested to know if exist some packages in R to calculate and plot the bidimensional Autocovariance Function. the input matrix is a matrix that describe a spatial location over a 2-D space and I want to use it in the same way I can use a time serie in the 1-D acf. Thanks, Nicola.
2002 Apr 11
3
new acf package
I'm a PhD student and I'm working with covariance function. I'm interested to know if exist some packages in R to calculate and plot the bidimensional Autocovariance Function. the input matrix is a matrix that describe a spatial location over a 2-D space and I want to use it in the same way I can use a time serie in the 1-D acf. Thanks, Nicola.
2005 Apr 06
6
Introduce a new function in a package?
R-help, Sometimes I define functions I wish to have in any R session. The obvious thing to do is copy-paste the code The thing is that sometimes I don't know where I have the function code. My question is if somehow I could define a function and "introduce" it (let's say 'base' package ) so that could be used anytime I run a different R project. Thank you in advance
2004 Jun 16
0
Jobs openings in Italy
I apologize if this post is not relevant to this mailing list, but I feel it might be of interest for many of you and did not find any other more suitable R-list. We are seeking for a couple of post-docs at University of Ferrara, Italy. The posts are in microarrays data mining and are for people with a degree in Statistics, IT or related. A documented interest in biological problems,
2018 Feb 05
2
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Mon, Feb 05, 2018 at 10:57:58PM +0100, Luca 'remix_tj' Lorenzetto wrote: > On Fri, Feb 2, 2018 at 12:52 PM, Richard W.M. Jones <rjones@redhat.com> wrote: > > There is a section about this in the virt-v2v man page. I'm on > > a train at the moment but you should be able to find it. Try to > > run many conversions, at least 4 or 8 would be good places to
2004 Aug 25
5
Something broken in voicemail app??
I updated my source and compiled * last night so I am running CVS-HEAD-08/24/04-23:51:01. This morning I have noticed that when anyone tries to retrieve their voicemail, the voicemail app is not recognizing any digits entered from the phones (cisco 7960's), so It just times-out waiting for digits. Has anyone else seen this problem or could it be something in our environment? TIA, Jamie
2015 Oct 21
3
Extending a Samba4 domain to multi-site
Hi folks, I have been using Samba4 as an Active Directory domain controller with many clients since about 2013, and it is the best. I have recently been asked to extend the AD domain in a clients office, to 6 other physical sites. Rather than reinvent the wheel, what is the best way to accomplish this given the current support in Samba4? Alex Ferrara Director Receptive IT Solutions
2004 Apr 22
2
Problems with ADIT600 and T100P
I am having trouble getting my T100P and ADIT 600 talking. I have 2 FXO 8 port cards in the ADIT and a T1 controller card. I have a T1 x-over cable connecting two together. Here are copies of the relevant bits of my zaptel.conf and Zapata.conf Zaptel.conf span=1,0,0,esf,b8zs loadzone=us defaultzone=us Zapata.cfg context=default signalling=fxs_ks group=1 channel => 1-24 My
2018 Feb 02
0
Re: [ovirt-users] Slow conversion from VMware in 4.1
Hello Richard, unfortunately upgrading virt-v2v is not an option. Would be nice, but integration with vdsm is not yet ready for that options. On Thu, Jan 25, 2018 at 11:06 AM, Richard W.M. Jones <rjones@redhat.com> wrote: [cut] > I don't know why it slowed down, but I'm pretty sure it's got nothing > to do with the version of oVirt/RHV. Especially in the initial phase
2018 Feb 05
0
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Fri, Feb 2, 2018 at 12:52 PM, Richard W.M. Jones <rjones@redhat.com> wrote: > There is a section about this in the virt-v2v man page. I'm on > a train at the moment but you should be able to find it. Try to > run many conversions, at least 4 or 8 would be good places to start. Hello Richard, read the man but found nothing explicit about resource usage. Anyway, digging on
2018 Feb 06
0
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Mon, Feb 5, 2018 at 11:13 PM, Richard W.M. Jones <rjones@redhat.com> wrote: > http://libguestfs.org/virt-v2v.1.html#vmware-vcenter-resources > > You should be able to run multiple conversions in parallel > to improve throughput. > > The only long-term solution is to use a different method such as VMX > over SSH. vCenter is just fundamentally bad. 4 conversions in
2018 Jan 25
0
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Thu, Jan 25, 2018 at 10:08 AM, Richard W.M. Jones <rjones@redhat.com> wrote: > There's got to be some difference between your staging environment and > your production environment, and I'm pretty sure it has nothing to do > with the version of oVirt. > > Are you running virt-v2v inside a virtual machine, and previously you > ran it on bare-metal? Or did you
2018 Feb 06
2
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Feb 6, 2018 11:06 AM, "Luca 'remix_tj' Lorenzetto" < lorenzetto.luca@gmail.com> wrote: On Mon, Feb 5, 2018 at 11:13 PM, Richard W.M. Jones <rjones@redhat.com> wrote: > http://libguestfs.org/virt-v2v.1.html#vmware-vcenter-resources > > You should be able to run multiple conversions in parallel > to improve throughput. > > The only long-term
2018 Feb 06
1
Re: [ovirt-users] Slow conversion from VMware in 4.1
On Tue, Feb 06, 2018 at 11:11:37AM +0100, Luca 'remix_tj' Lorenzetto wrote: > Il 6 feb 2018 10:52 AM, "Yaniv Kaul" <ykaul@redhat.com> ha scritto: > > > I assume its network interfaces are also a bottleneck as well. Certainly if > they are 1g. > Y. > > > That's not the case, vcenter uses 10g and also all the involved hosts. > > We
2006 Apr 05
2
Samba 3 + LDAP - Error Joining Windows XP To Samba Domain
Hi Guys, I am having issues attempting to join a windows xp machine to the domain. If I use the correct root/administrator credentials it gives me an error "user name cannot be found". If I use incorrect credentials it gives me an error "Logon failure: unknown username or bad password" When I check the logs it states (when using the correct credentials) that
2010 Mar 25
1
ADS member server to 2008 R2
Hi all, I have a strange problem, and I can't seem to solve it. I have set up a Ubuntu 9.10 server with samba+kerberos to be an ADS member server. The PDC was a 2003 SBS server, and all was well. Recently I added a 2008 R2 server standard to the mix, and promoted it as a domain controller. Ever since I did this, the samba server stops working daily. I have updated to 3.4.7 out of the