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...ould be converted into: a= (-2,-2,-2,-2,1,1,1,3,3,3,-4) I tried many things and finally concluded that probably(?) rollapply may be the best way? I tried f= function(x){ ifelse(x==0,Lag(x),x) } And then, rollappy(a,1,f) and that didn't work. Can someone help please? Thx R Jefferies archives and monitors outgoing and incoming e-mail. The contents of this email, including any attachments, are confidential to the ordinary user of the email address to which it was addressed. If you are not the addressee of this email you may not copy, forward, disclose or otherwise use it or any...

Hi, I am trying to download R version 3.6.1 onto my company computer and need an email confirming that r does not include any electronic communication functionality within the program. Thank you very much! Best, Edward Woo Edward Woo Municipals Securities Group Jefferies LLC 520 Madison Avenue, 3rd Floor New York, NY 10022 Phone: 212-708-2958 ewoo at jefferies.com<mailto:ewoo at jefferies.com> Jefferies archives and monitors outgoing and incoming e-mail. The contents of this email, including any attachments, are confidential to the ordinary user of the emai...

Dear Colleagues, I would like to provide a CITATION file for my package nat.nblast [1]. I have the correct citation in BibTeX format [2]. How can I convert this BibTeX to the format needed by R for a package CITATION file (I have a lot of other packages needing citations ...). I think what I need is the opposite of RefManageR::toBiblatex [3]. This seems like it should be a common need, so I

Hello, Does anyone know of an R package that can read Windows BMP format images? Many thanks, Greg Jefferis. -- Gregory Jefferis, PhD Division of Neurobiology MRC Laboratory of Molecular Biology, Hills Road, Cambridge, CB2 0QH, UK. http://www2.mrc-lmb.cam.ac.uk/group-leaders/h-to-m/g-jefferis

If I have a list I can set a sub-element as follows on the command line: people=list() people$tom$hair="brown" people But what if I have a string containing the name of the sub-element that I want to access? subel= "people$tom$hair" get(subel) # returns error assign(subel,"red") # silent but doesn't change list people The attempts above using assign/get

This seems to be a simple problem, and I feel that there ought to be a simple answer, but I can't seem to find it. I have a function that returns a number of values as a heterogeneous list - always the same length and same names(), but a number of different data types, including character. I want to apply it to many inputs, resulting in a list of lists. I would like to turn this list of

Hi, I am attempting to get Xen working on my Mandriva Linux and I can only get as far as the initial loading screen which happens to be failing with: "xen will only load images built for xen v3.0" I am following the instructions outlined at http://qa.mandriva.com/twiki/bin/view/Main/HowToXen Any hints on where I should start debugging this problem? cheers, Jeffery

On Thu, 30 May 2019, Dr Gregory Jefferis wrote: > Dear Colleagues, > > I would like to provide a CITATION file for my package nat.nblast [1]. > > I have the correct citation in BibTeX format [2]. How can I convert this > BibTeX to the format needed by R for a package CITATION file (I have a > lot of other packages needing citations ...). (1) You can use read.bib() from the

Dear List Members, I'm presently carrying out morphological analysis of a data set of neuronal structures. These are essentially 3D binary trees. In due course I will be trying to use discriminant analysis or other methods to classify these neurons based on morphological variables such as total tree length, segment number etc. I would like to calculate a 3D convex hull for a set of X,Y,Z

Dear R Users, I want to test the dimensions of an incoming vector, matrix or array safely and succinctly. Specifically I want to check if the unknown object has exactly 2 dimensions with a specified number of rows and columns. I thought that the following would work: > obj=matrix(1,nrow=3,ncol=5) > identical( dim( obj) , c(3,5) ) [1] FALSE But it doesn't because c(3,5) is numeric

Hi, I am currently downloading CentOS-4.4-i386-bin1of4.iso and was wondering what is the minimum number of install disks I require to get a working install of Centos ? Do I need to download all four of the disks ? cheers, Jeffery -------------- next part -------------- A non-text attachment was scrubbed... Name: jeffery.vcf Type: text/x-vcard Size: 293 bytes Desc: not available URL:

https://bugs.freedesktop.org/show_bug.cgi?id=98677 Bug ID: 98677 Summary: [NVAC] iMac9,1 effective backlight brightness range changes after S3 Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium

Dear R-devel, Can anyone help me to understand this? It seems that subscripting the rows of a data.frame without actually changing their order, somehow changes an internal representation of row.names that is revealed by e.g. dput/dump/serialize I have read the docs and inspected the (R) code for data.frame, rownames, row.names and dput without enlightenment. df=data.frame(a=1:10, b=1)

Does anyone know how to update a Facebook Status with Facebooker?

If have a couple patches I found while looking at a panic I was seeing while unloading the nouveau module. Unloading the nouveau module on my optimus notebook machine causes the system to panic. This started occuring when moving from 4.4 to 4.14. These patches make it such that the system does not panic when unloading the module. 4.14 also requires commit 34112bf4935d ("drm/nouveau/fbcon:

I have an OCFS2 filesystem on a coraid AOE device. It mounts fine, but with heavy I/O the server self fences claiming a write timeout: (16,2):o2hb_write_timeout:164 ERROR: Heartbeat write timeout to device etherd/e0.1p1 after 12000 milliseconds (16,2):o2hb_stop_all_regions:1789 ERROR: stopping heartbeat on all active regions. Kernel panic - not syncing: ocfs2 is very sorry to be fencing this

Hello Laurent, Ray and Greg, I tried the gmake settings. Yet, I still got an Error code 1 message when I run the test. running regression tests don't know how to make ../library/base/R/base (bu42). *** Error code 1 (bu21) Thanks you if you have any idea. Manuel -----Message d'origine----- De : Laurent Gautier [ mailto:laurent at genome.cbs.dtu.dk <mailto:laurent at

Dear R users, I would like to reverse the axes on some xy plots (for example to set the origin at the top left rather than the bottom left). I had planned to use something of the following form: plot(y=y<-c(20,4,5,6),x=x<-c(10,20,30,40),ylim=rev(range(y))) ie reversing ylim to reverse the y axis. This works fine however I also want to use the parameter asp=1 to ensure that equal

Hi, I am new to R plot. I am trying to increase the data point observation when duplicate data points exist x y 1 10 1 10 2 3 4 5 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem 757-864-7114 LARC/J.L.Shipman/jshipman Jeffery.L.Shipman at nasa.gov

Dear R Users, This is only partly an R question, but I would be very grateful if anyone could offer some suggestions for approaches or packages I could use in R. I have 11 sets of points in 3D (synapses in a region of a fly's brain for 11 different kinds of neurons as it happens); each set has between 80-250 points distributed in an irregularly shaped cloud. I would like to calculate a) a