search for: vel

...trying to estimate the weibull model using nls after putting OLS values as the initial inputs to NLS. I tried multiple times but still i m getting the same error of Error in nlsModel(formula, mf, start, wts) : singular gradient matrix at initial parameter estimates. The Program is as below > vel <- c(1,2,3,4,5,6,7,8,9,10,11,12,13,14) > df <- data.frame(conc, vel) > df conc vel 1 0.077 1 2 0.328 2 3 0.882 3 4 1.195 4 5 1.884 5 6 3.577 6 7 6.549 7 8 13.000 8 9 33.690 9 10 52.220 10 11 90.140 11 12 166.050 12 13 233.620 13 14...

...nux. CentOS Cada vers?o ? suportada por 7 anos (por meio de atualiza??es de seguran?a). CentOS Uma nova vers?o ? liberada a cada 2 anos, e cada vers?o CentOS ? actualizado regularmente (a cada 6 meses) para suportar os hardware mais novos. Isso resulta em uma rede segura, de baixa manuten??o, confi?vel e previs?vel e reprodut?vel em ambiente Linux. Planeta CentOS Permane?a em contato com desenvolvedores CentOS em nosso Planeta. Download Download CD e DVD imagens individuais ou pacotes RPM. Vers?es disponivel 5,2, 4,7, 3,9 ou 2,1. Pesquisa Encontre informa??es sobre CentOS por palavra-chave no...

...uis ipsum sed elit laoreet malesuada. Quisque rhoncus dui vitae eros euismod fermentum sollicitudin sem scelerisque. Nulla facilisi. Maecenas mollis pulvinar euismod. Duis viverra pharetra turpis eget feugiat. Nulla facilisi. Nullam facilisis, felis vitae lacinia fermentum, enim erat placerat erat, vel imperdiet lorem velit et ligula. Nam congue est in nisl lacinia lobortis. Vivamus elementum lacinia sodales. Curabitur commodo risus tincidunt augue pulvinar vehicula. Morbi eget velit sollicitudin nibh porta molestie. Maecenas in augue id quam ullamcorper rutrum. [scarolan at host:~]$ vi loremips...

...: int 3 3 3 3 3 3 3 3 3 3 ... $ Estacao : int 2 2 2 2 2 2 2 2 2 2 ... $ X30cm : int 1 1 1 1 1 1 1 1 1 1 ... $ Dir.mov : int 0 0 0 0 0 0 0 0 0 0 ... $ Temp.media : num 12.0 11.3 12.1 12.3 12.4 ... $ Temp.amplitude : num 1.167 -0.750 0.875 0.125 ... $ Vel.media : num 0.479 0.514 0.517 0.445 0.468 ... $ Vel.amplitude : num -0.04865 0.03417 0.00312 0.02364 ... $ Caudal.medio : num 0.570 0.585 0.589 0.485 0.501 ... $ Caudal.amplitude: num -0.04323 0.01449 0.00405 0.01617 ... $ Prof.media : num 36.1 34.6 34.1 32.9 32.1 ......

...ods to deal with segmented regression? From a graph, v shapes are more clear at 1.2 and 1.5 break points than 1.5 and 1.7. Appreciate your help. Result1: Initial break points are 1.2 and 1.5. The estimated break points and slopes: Estimated Break-Point(s): Est. St.Err Mean.Vel 1.285 0.05258 1.652 0.01247 Est. St.Err. t value CI(95%).l CI(95%).u slope1 0.4248705 0.3027957 1.403159 -0.1685982 1.018339 slope2 2.3281445 0.3079903 7.559149 1.7244946 2.931794...

...4, while vector f has dimension 2. Here's some sample code: ###################################################################### require(sspir) # getting the hang of the kalman filter x.coords <- c(5,6,5,6,8,9,8,8,10,11) y.coords <- c(25,30,42,51,55,52,42,28,24,31) times <- 1:10 x.vel <- c(0,diff(x.coords)/diff(times)) y.vel <- c(0,diff(y.coords)/diff(times)) kal.df <- data.frame(x.coords,x.vel,y.coords,y.vel) kal.ts <- ts(kal.df,deltat=mean(diff(times))) my.Fmat <- function(tt,x,phi){ mf <- matrix(c(1,0,0,0,0,1,0,0),nrow=4,byrow=T) return(mf) } my.Gmat <-...

...issue but as it is around for sometime I've decided to report. As this is a frequent message when beginners start using R, it gives an unfortunate bad impression on the overall quality of the software which is excellent. The actual message (with the translation error) is: Erro: n?o foi posss?vel encontrar a fun??o "functionname" The correct message should be: Erro: n?o foi poss?vel encontrar a fun??o "functionname"

ol?, estou tentando converter a vari?vel b (abaixo) em uma matriz com duas colunas, sem muito sucesso, algu?m teria alguma sugest?o? muito obrigado, a<-outer(1:5,1:7,FUN="paste") b<- sample(a,10) [1] "4 2" "5 7" "3 3" "4 1" "4 5" "3 5" "5 2" "2 1...

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...tried to change the timer in mfcr2.c to 20000. I tried a lot of combinations in protocolvariant but, no sucess. The Telco said me that the PBX is synchronized. Strange, no? Please help me. Thanks a lot. *unicall.conf* ;call telephony channel driver ; Sample configuration file [channels] loglevel=255 language=br context=default usecallerid=yes hidecallerid=no restrictcid=no callwaitingcallerid=yes threewaycalling=yes transfer=yes cancallforward=no callreturn=no echocancel=yes echocancelwhenbridged=yes echotraining=yes echotraining=800 relaxdtmf=yes rxgain=0.0 txgain= 0.0 callgroup=1 pickupg...

Many git commits in the monorepo look like the following: [Tag0][Tag1] Title line Summary: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque mauris neque, porta nec tristique at, sagittis vel nisi. Fusce pharetra nunc et mauris consequat venenatis. Reviewers: username0, username1 Reviewed By: username0 Subscribers: username2, username3, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/Dxxxxx These Phabricator metadata lines (`Revi...

...t I've had some problems with Web Access RemoteApp when the TS uses samba as logon server, the logon account fail, see below: Nome do Log: Security Fonte: Microsoft-Windows-Security-Auditing Data: 06/11/2014 08:08:08 Identifica??o do Evento:4625 Categoria da Tarefa:Logon N?vel: Informa??es Palavras-chave:Falha de Auditoria Usu?rio: N/D Computador: srvcheina.dipaula.local Descri??o: *Falha no logon de uma conta.* Requerente: Identifica??o de seguran?a: IIS APPPOOL\RDWebAccess Nome da conta: RDWebAccess Dom?nio da conta:...

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...an update about my question: I worked out the following solution (with the package "dplyr") library(dplyr) mydf%>% mutate(speed_vehicles=n_vehicles*mydf$speed) %>% group_by(date_time,type) %>% summarise( sum_n_times_speed=sum(speed_vehicles), n_vehicles=sum(n_vehicles), vel=sum(speed_vehicles)/sum(n_vehicles) ) In fact I was hoping to manage everything in a "one-go": i.e. without the need to create the "intermediate" variable called "speed_vehicles" and with the use of the function weighted.mean() any hints for a different approach...

Dear Massimo, It seems straightforward to use weighted.mean() in a dplyr context library(dplyr) mydf %>% group_by(date_time, type) %>% summarise(vel = weighted.mean(speed, n_vehicles)) Best regards, ir. Thierry Onkelinx Statisticus / Statistician Vlaamse Overheid / Government of Flanders INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND FOREST Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assu...

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...th that I am > using... > The command is the following... > > file<-read.table("/Users/M?rcio/UdeM/Travail Dirig?/Data/MU284 > Population.txt",header=T,skip=24) > > And I am getting the following error... > > Erro em file(file, "rt") : n?o ? poss?vel abrir a conex?o > Al?m disso: Warning message: > In file(file, "rt") : > cannot open file > '/User/M?rcio/UdeM/Travail_Dirig?/Data/MU284_Population.txt': No such file > or directory > > I checked already the messages but I didn't find what could be my &...

...to have disapeared when I migrate from CentOS 4 to CentOS 5. Anyone knows where we can find them? Thanks <html> <body> <font face = "arial" size = "1" color = "#000080">Aviso:<br>"O emitente desta mensagem &eacute; respons&aacute;vel por seu conte&uacute;do e endere&ccedil;amento. Cabe ao destinat&aacute;rio cuidar quanto ao tratamento adequado. Sem a devida autoriza&ccedil;&atilde;o, a divulga&ccedil;&atilde;o, a reprodu&ccedil;&atilde;o, a distribui&ccedil;&atilde;o ou qualquer outr...

I have not been successfull in downloading tseries package in the R in my macbook air. The message sent is:Error in dyn.load(file, DLLpath = DLLpath, ...) : imposs?vel carregar objeto compartilhado '/Library/Frameworks/ Do you have any clue?