search for: perceptible

Hi, I need your help. I have a vector of numbers reflecting the switch in the perception of a figure. For a certain period I have positive numbers (which reflect the perception A) then the perception changes and I have negative numbers (perception B), and so on for 40000 iterations. I need to take the rate of this switch for my analysis. Namely, I need a new vector with numbers which reflect how

Hello, I apologize that this is off-topic. I am seeking information on perception of graphical data, in an effort to improve the plots I produce. Would anyone point me to literature reviews in this area? (Or keywords to try on google?) Is this located somewhere near cognitive science, psychology, human factors research? For example, some specific questions I have are: I recall as a child

Hello, I'm sorry if this mail is somehow inappropriate but I couldn't find another feedback address on the Ogg Theora site. What I want to tell the people who are making a GUI (Graphical User Interface) for a Theora encoder is. If you intend to add a color adjuster to your encoder program, make the GUI a boring NEUTRAL GRAY! The reason is that human color perception of one part of

Hi, I found rails on internet when I looking for some ''better'' way how to create web applications. I read tutorial 4 days on rails and I have 3 questions 1. How speed is it? (very slow on my testing machine, but that is P100 with 64Mb RAM, what''s enough for php or rhtml :)) 2. How does it work... I create table categories, I create model and controller category, but

Hi, Why does ActiveRecord allow perception of success when updating an ID, however it doesn''t really work(i.e. no change in database)? Here''s an example. The update of "id" versus update of a non-existent attribute. ?> ai = AccountItem.find(:first) => #<AccountItem id: 1, account_id: 1, date: "2009-01-11", amount:

Greg, I'm going to join issue with your here! Not that I'll go near advocating "Excel-style" graphics (abominable, and the Patrick Burns URL which you cite is remarkable in its restraint). Also, I'm aware that this is potential flame-war territory -- again, I want to avoid that too. However, this is the second time you have intervened on this theme (previously Mon 6

Hi, I'm not used to thinking along these lines, and wanted to ask your advice: Suppose you have a sample of around 100, consisting of patients according to doctors, in which patients and doctors are given a questionnaire with categorical responses. Each patient somehow has roughly 3 doctors, or 3 rows of data. The goal is to assess by category of each question or DV the agreement between

Dear R developers: R is supposed to be slow for iterative calculations. actually, it isn't. matrix operations are fast. it is data frame operations that are slow. R <- 1000 C <- 1000 example <- function(m) { cat("rows: "); cat(system.time( for (r in 1:R) m[r,20] <- sqrt(abs(m[r,20])) + rnorm(1) ), "\n") cat("columns: "); cat(system.time(for (c

Hallo, I have an other problem, I have this vector signData with an alternation of 1 and -1 that corrispond to the duration of two different percepts. I extracted the durations like this: signData<- scan("dataTR10.txt") dur<-rle(signData)$length Now I would like to extract only the positive duration, e.g. signData <- c(1,1,1,1,-1,-1,-1,1,1,-1,-1) posduration <- c(4,2) I

Hi! I am using R to process some community survey data. Several item responses are recorded via a 7-point Likert-Scale. As I have coded the responses, 1 represents high agreement, and 7 high disagreement. This of course impacts the coefficients in a linear regression (of example agreement to self-perception measures on housing satisfaction). For some purposes, in order to make the coefficients

On Jan 31, 2011, at 7:27 PM, Óscar Fuentes wrote: >> >> If one is not supposed to use svn (the official blessed >> LLVM SCM) on "our side," pray tell, what _are_ we supposed to use? > > Because LLVM chose to use svn at some point on the past (when > distributed tools were not so mature and undestood as they are now) and > because there is no enough

On 16/04/2016 8:47 AM, Atte Tenkanen wrote: > Hi, > > How would you calculate the "mean colour" of several colours, for > example c("#FF7C00","#00BF40","#FFFF00")? > Bert answered your subject line question. Your text is asking something else: if those are colours, you don't want to treat each of them as a single integer. A

On Fri, November 3, 2017 3:36 am, hw wrote: > Valeri Galtsev wrote: >> If you have not Dell server hardware my choice of [hardware] RAID cards >> would be: >> >> Areca > > Areca is forbiddingly expensive. Yes, and it is worth every dollar it costs. All good RAID cards will be on the same price level. Those cheaper ones I will not let into our stables (don't

Hello, I have two tab-delimited files which I would like to combine. In the first one I have gene IDs (Unique) on column 1 and than various experimental results from microarray analysis (see attached files list1 ) the second arrays have the same genes IDs (more and in a different order, some are double) (see attached files list2 ) What I would like to do is to search in the second list for gene

Dear List, One persistent feedback I am getting to people who are newly introduced to R ( especially in this cost cutting recession) is - 1) The website looks a bit old. While the current website does have a lot of hard work behind it, should n't a world class statistics package have a better website instead. You can check out www.knime.org which is an open source software , and free, and

On Sat, February 13, 2016 5:57 am, Timothy Murphy wrote: > Devin Reade wrote: > >> I have a CentOS 6 machine that was initially installed as CentOS 6.4 >> in May of 2013. It's /boot filesystem is 200M which, IIRC, was the >> default /boot size at the time. > > As a matter of interest, is there any advantage today > in having a /boot partition? > I thought

Dear List, I'm trying to interpret the results of the Kruskal's Non-metric Multidimensional Scaling algorithm (isoMDS, MASS package). The 'goodness of fit' is reported as "The final stress achieved (in percent)". What does this mean exactly? I've tried to google for an answer but I've not come up with a definitive answer. Regards, Dieter -- Dieter Vanderelst

We currently have a Toshiba Perception EX and I would like to start moving toward VOIP. Is there anyway we can run these two systems in parrallel? Better yet, is there anyway we can run fully on asterisk using the current PBX hardware? The current PBX has a mix of analog, digital and electronic cards in it. I tried to google for advice but I didn't find anything that pertained to this.

On Mon, 7 Aug 2023, Chris Rapier wrote: > > The broader issue of hiding all potential keystroke timing is not yet fixed. > > Could some level of obfuscation come from enabling Nagle for interactive > sessions that has an associated TTY? Though that would be of limited > usefulness in low RTT environments. I don't like the idea of having a steady > drip of packets as that

Hi Volker, Thanks for the response. The clients are Win 7, Win 10 and various flavours of Linux, with Samba client versions ranging from 3.6 to 4.5.3. There is no perceptible difference between any of them. Network latency is never above 0.2s and mostly sits at around 0.1s. If that's a problem it is so only for Samba. I did as you suggested with the smb options but that just made it worse. Using the same test environment and file set, the final speed dropped fr...