Re: [R] Extract estimate of error variance from glm() object

I think vcov() gives estimates of VCV for coefficients. I want estimate of SD for residuals On Tue, Dec 24, 2024 at 7:24 PM Ben Bolker wrote: > > vcov(). ? > > > On Tue, Dec 24, 2024, 8:45 AM Christofer Bogaso > wrote: >> >> Hi, >> >> I have

[R] Extract estimate of error variance from glm() object

Hi, I have below GLM fit clotting <- data.frame( u = c(5,10,15,20,30,40,60,80,100), lot1 = c(118,58,42,35,27,25,21,19,18), lot2 = c(69,35,26,21,18,16,13,12,12)) summary(glm(lot1 ~ log(u), data = clotting, family = gaussian)) Is there any direct function to extract estimate of Error s

[R] outer() is not working with my simple function

Hi, I have below code FN1 = function(x, y) 3 outer(1:9, 1:9, FN1) With above I get error as below Error in dim(robj) <- c(dX, dY) : dims [product 81] do not match the length of object [1] Could you please help to understand why is it failing? I am just expecting to get a matrix with all el

[R] How to install this package

Hi, I would like to install an R library from https://cran.r-project.org/src/contrib/Archive/termstrc/ I executed below code without success. Any help would be appreciated. > install.packages('/Users/termstrc_1.3.tar.gz', repos = NULL, type="source") * installing *source* package ‘termstrc’ ..

[R] Reading a txt file from internet

Hi, I am trying to the data from https://online.stat.psu.edu/onlinecourses/sites/stat501/files/ch15/employee.txt without any success. Below is the error I am getting: > read.delim('https://online.stat.psu.edu/onlinecourses/sites/stat501/files/ch15/employee.txt') Error in make.names(col.names, un

[R] How R calculates SE of prediction for Logistic regression?

Hi, I have below logistic regression Dat = read.csv('https://raw.githubusercontent.com/sam16tyagi/Machine-Learning-techniques-in-python/master/logistic%20regression%20dataset-Social_Network_Ads.csv') head(Dat) Model = glm(Purchased ~ Gender, data = Dat, family = binomial()) How I can get Standar

[R] Adding parameters for Benchmark normal distribution in shapiro.test

Hi, In ?shapiro.test, there seems to be no option to pass mean and sd information of the Normal distribution which I want to compare my sample data to. For example in the code below, I want to test my sample to N(0, 10). shapiro.test(rnorm(100, mean = 5, sd = 3)) Is there any way to pass the in

Re: [R] Prediction from Arima model

rence between a CI and a PI is that the PI is > constructed for data > that hasn't been seen yet. The CI is constructed for data that's already > there. I hope this helps. > > > On Sat, Aug 31, 2024 at 2:38 PM Christofer Bogaso > wrote: >> >> I want to

Re: [R] Prediction from Arima model

I want to obtain confidence interval for a new data as well as estimate of SE for the new data On Sat, Aug 31, 2024 at 11:58 PM David Winsemius wrote: > > > Sent from my iPhone > > > On Aug 31, 2024, at 10:55 AM, Christofer Bogaso > > wrote: > > > > Hi,

[R] Prediction from Arima model

Hi, I have run following code to obtain one step ahead confidence interval from am arima model library(forecast) set.seed(100) forecast(Arima(rnorm(100), order = c(1,0,1), xreg = rt(100, 1)), h = 1, xreg = 10) However this appear to provide the Prediction interval, however I wanted to get the

[R] A question on Statistics regarding regression

Hi, I have asked this question elsewhere however failed to get any response, so hoping to get some insight from experts and statisticians here. Let say we are fitting a regression equation where one explanatory variable is categorical with 2 categories. However in the sample, one category has 95%

[R] Using optim() function to find MLE

Hi, I am trying to fit a GLM on below data. While R does provide direct estimation, I wanted to go with manual calculation as below dat = structure(list(PurchasedProb = c(0.37212389963679, 0.572853363351896, 0.908207789994776, 0.201681931037456, 0.898389684967697, 0.944675268605351, 0.66079779248

Re: [R] Obtaining predicted probabilities for Logistic regression

Many thanks. May be I need to check my eyes before anything!!! On Sat, Jul 13, 2024 at 6:46 PM Rui Barradas wrote: > > Às 12:13 de 13/07/2024, Christofer Bogaso escreveu: > > Hi, > > > > I ran below code > > > > Dat = > > read.csv('https://raw.gi

[R] Obtaining predicted probabilities for Logistic regression

Hi, I ran below code Dat = read.csv('https://raw.githubusercontent.com/sam16tyagi/Machine-Learning-techniques-in-python/master/logistic%20regression%20dataset-Social_Network_Ads.csv') head(Dat) Model = glm(Purchased ~ Gender, data = Dat, family = binomial()) head(predict(Model, type="response"))

[R] refresh.console() function?

Hi, I run a lengthy for loop and I want to display loop status for each step in my loop. I previously heard of a R function namely refresh.console() which would print the status within the loop as it progresses. However I see this > help.search("refresh.console") No vignettes or demos or help

[R] Generating mouse click and hold using R

Hi, I wonder if R can provide any functionality where I need simulate mouse click in windows machine at certain coordinate on screen and hold the click for certain seconds e.g. for 5 seconds Really appreciate if I can have someone suggestion how above can be simulated with R Thanks and regards,

Re: [R] Code editor for writing R code

Hi Sergei, Where can I find TeX Comments extension in VS Code? On Wed, Nov 29, 2023 at 9:34 PM Sergei Ko wrote: > > TeX Comments extension in VS Code > > > > > Sent from my phone > > > Original message > From: Christofer Bogaso > Date:

[R] Code editor for writing R code

Hi, Currently I use VS-Code to write codes in R. While it is very good, it does not allow me to write Latex expressions in comments, which I am willing to have to write corresponding mathematical expressions as comments in my code files. Does there exist any Code editor for R, that allows me to w

Re: [R] if-else that returns vector

> if some element of the test is false. > ifelse(c(NA,NA), stop("true"), stop("false")) > => c(NA,NA). > > At any rate, what you want is if () else > > > > On Fri, 13 Oct 2023 at 09:22, Christofer Bogaso > wrote: >> >> Hi, >>

[R] if-else that returns vector

Hi, Following expression returns only the first element ifelse(T, c(1,2,3), c(5,6)) However I am looking for some one-liner expression like above which will return the entire vector. Is there any way to achieve this? __ R-help@r-project.org mailing l

[R] Finding combination of states

Let say I have 3 time points.as T0, T1, and T2.(number of such time points can be arbitrary) In each time point, an object can be any of 5 states, A, B, C, D, E (number of such states can be arbitrary) I need to find all possible ways, how that object starting with state B (say) at time T0, can be

Re: [R] Could not read time series data using read.zoo()

Hi, I just provided a snapshot of my CSV file. Attaching the full file here (not sure if R-help would accept the attachment). Thanks and regards, On Thu, Aug 3, 2023 at 8:35 PM Jeff Newmiller wrote: > > no commas? > > On August 3, 2023 7:53:07 AM PDT, Christofer Bogaso >

[R] Could not read time series data using read.zoo()

Hi, I have a CSV which contains data like below (only first few rows), Date Adj Close lret 02-01-1997 737.01 03-01-1997 748.03 1.48416235 06-01-1997 747.65 -0.050813009 07-01-1997 753.23 0.743567202 08-01-1997 748.41 -0.64196699 09-01-1997 754.85 0.856809786 10-01-1997 759.5 0.614126802 However

Re: [R] Adding comment in C++ code for debugging purpose

_a),max_entries(max_entries_a),default_distr(default_distr_a),link_function(link_function_a),calc_rc(calc_rc_a),loss_thr(loss_thr_a); List ret; etc This still does not print in the console. Not sure if I am missing something. Thanks and regards, On Sat, Dec 17, 2022 at 6:57 PM Rui Barradas w

Re: [R] Adding comment in C++ code for debugging purpose

11:39 AM Rui Barradas wrote: > > Às 23:32 de 16/12/2022, Christofer Bogaso escreveu: > > Hi, > > > > I am using an R package where there are some C++ code. > > > > To check some intermediate values generated by that C++ code, I added > > a line like > >

Re: [R] Adding comment in C++ code for debugging purpose

Hi Ivan, This is a very nice point. I will check this out. Thanks and regards, On Sat, Dec 17, 2022 at 1:53 PM Ivan Krylov wrote: > > On Sat, 17 Dec 2022 05:02:33 +0530 > Christofer Bogaso wrote: > > > I am using an R package where there are some C++ code. > > > &

[R] Adding comment in C++ code for debugging purpose

Hi, I am using an R package where there are some C++ code. To check some intermediate values generated by that C++ code, I added a line like std::cout << "My values"; Now with this modification, I next build a modified package (source) using R CMD build Next I install this modified package us

[R] How to access source code

Hi, I am trying to access the source code from package GCPM, where I am interested to look into the source code of one function called LGD. So I did below > LGD standardGeneric for "LGD" defined from package "GCPM" function (this) standardGeneric("LGD") Methods may be defined for argumen

Re: [R] Fixing the size of R's Graphic Device

y have a 300 > inch display? > > On August 25, 2022 12:05:00 PM PDT, Christofer Bogaso > wrote: > >Thanks. > > > >But this is woking upto some number > > > >For example > > > >options(device=function()windows(width=303,height=354,xpos=-5

Re: [R] Fixing the size of R's Graphic Device

ypos=100)) > graphics.off() > plot(1:10) > > > -Bill > > > On Thu, Aug 25, 2022 at 11:11 AM Christofer Bogaso > wrote: >> >> Hi, >> >> I am wondering if there is any way to fix the size (i.e. height and >> width) of R's graphic device permane

Re: [R] Fixing the size of R's Graphic Device

device? That is, what OS are you using? > > On August 25, 2022 11:10:45 AM PDT, Christofer Bogaso > wrote: > >Hi, > > > >I am wondering if there is any way to fix the size (i.e. height and > >width) of R's graphic device permanently. Every time I open R, and >

[R] Fixing the size of R's Graphic Device

Hi, I am wondering if there is any way to fix the size (i.e. height and width) of R's graphic device permanently. Every time I open R, and create my first plot, the default size of the graphic device is fairly small, and I need to adjust it manually to make it of comfortable size. Any help is rea

Re: [R] Fitted values from AR model

values, the > fits are extremely close.) > > HTH, > Eric > > On Thu, Aug 11, 2022 at 9:53 PM bogus christofer > wrote: > > > > Hi, > > > > I have below AR model and fitted values from the forecast package > > > > library(forecast) > > dta

[R] Fitted values from AR model

Hi, I have below AR model and fitted values from the forecast package library(forecast) dta = c(5.0, 11, 16, 23, 36, 58, 29, 20, 10, 8, 3, 0, 0, 2, 11, 27, 47, 63, 60, 39) fit <- arima(dta, order=c(2,0,0)) fitted(fit) This gives fitted values as Time Series: Start = 1 End = 20 Frequency = 1 [1

[R] Cumulative probability from binomial distribution

Hi, I have the below output. > pbinom(0.10, 1, 0.40) [1] 0.6 I am curious what it means to serve a fraction as the first argument in pbinom()? Thanks for your time __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.eth

Re: [R] Connection to Oracle DB failing from R

iam Dunlap wrote: > > Which version of java do you have installed? Oracle's web site says > ojdbc5.jar is for Java 1.5 and ojdbc6.jar is for more recent versions. > > Bill Dunlap > TIBCO Software > wdunlap tibco.com > > On Mon, Aug 31, 2020 at 3:56 AM Christofer Bogaso

[R] Connection to Oracle DB failing from R

Hi, I am trying to establish a connection to a Oracle DB from R and used below code which is failing every time I try - > library(RJDBC) Loading required package: DBI > jdbcDriver =JDBC("oracle.jdbc.OracleDriver",classPath="ojdbc5.jar") *** caught segfault *** address 0x854961, cause 'memory no

[R] Bayesian estimation with MCMC

Hi, In python there is a package called pymc3 for Bayesian parameter estimation with MCMC. I am curious if there is any equivalent package available for R. Any pointer will be highly appreciated. __ R-help@r-project.org mailing list -- To UNSUBSCRIBE

[R] Notational derivative in R

Hi, I was wondering if R can perform notational derivative something like Mathematica does as explained in https://reference.wolfram.com/language/howto/TakeADerivative.html Any pointer will be highly appreciated. Thanks, __ R-help@r-project.org mailin

[R] Fitting Richards' curve

Hi, Is there any R package to fit Richards' curve in the form of https://en.wikipedia.org/wiki/Generalised_logistic_function I found there is one package grofit, but currently defunct. Any pointer appreciated. __ R-help@r-project.org mailing list -- T

Re: [R] save() unable to find object

Thanks Duncan. It worked. On Thu, Oct 31, 2019 at 3:02 PM Duncan Murdoch wrote: > > On 31/10/2019 5:17 a.m., Christofer Bogaso wrote: > > As I said the name 'AAA31' is itself a variable. So I cant hard-code > > it within the save() function > > Use the li

Re: [R] save() unable to find object

As I said the name 'AAA31' is itself a variable. So I cant hard-code it within the save() function On Thu, Oct 31, 2019 at 2:45 PM Jim Lemon wrote: > > Hi Christofer, > This is a guess, but have you tried: > > save(AAA31,file="Save.RData") > > Jim >

[R] save() unable to find object

Hi, I wanted to save a few R objects in RData file for some future use. The names of such R objects are actually dynamic so I used below code to save them - Date = Sys.Date() assign(paste('AAA', format(Date, "%d"), sep = ""), 5) save('Date', paste('AAA', format(Date, "%d"), sep = ""), file = 'Sav

[R] How to use breaks argument in hist() function correctly?

Hi, I have a numerical vector as below x = c(92958.2014593977, -379826.025677203, 881937.411562002, 25761.5278163719, -11837.158273897, 48450.8089746788, -415505.62910869, -168462.98512054, 328504.255373387, -298966.051027528, 237133.794811816, -49610.1148173768, -92459.1170329526, -261611.557495

Re: [R] A question on regular expression

}") > [[1]] > [1] "{cd$ }" "{cad$ }" > > Cheers, > Bert > > On Thu, Sep 12, 2019 at 10:12 AM Christofer Bogaso > wrote: >> >> Thanks Bert, >> >> This works, but if in my text there are more than one patterns then >> fai

Re: [R] A question on regular expression

> Anyway, this will do what you want I think: > > z <- paste("ab{cd$ }ed", "ab{cad$ }ed", collapse = " ") ## just for > readability > > > str_extract_all(z,"\\{[^}]*\\}") > [[1]] > [1] "{cd$ }" "{cad$ }" &g

Re: [R] A question on regular expression

; these tasks. > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Thu, Sep 12, 2019 at 9:31

[R] A question on regular expression

Hi, I am wondering on what is the correct way to select a pattern which goes as - {"(any character with any length)"} The expressions " {" " and " "} " both are included in the pattern. For example, the lookup of the above pattern in the text " {"asaf455%"}57573blabla " will result in {"asaf455

[R] Partition a vector into select groups with fixed length

Hi, Let say I have a vector as below Vec = LETTERS Now I want to break this vector into groups of the same length of 5. So, 1st group consists - "A" "B" "C" "D" "E" 2nd group - "F" "G" "H" "I" "J" and so on.. last group will consist only the leftover elements I have a very large initial vecto

[R] Extract row as NA with no matching name

Hi, Let say I have below matrix mdat <- matrix(c(1,2,3, 11,12,13), nrow = 2, ncol = 3, byrow = TRUE, dimnames = list(c("row1", "row2"), c("C.1", "C.2", "C.3"))) Now I can extract a raw by rowname as > mdat['row1', ] C.1 C.2 C.3 1 2 3 Howe

[R] A question on generating Error message upon Timeout

Hi, I have created a function called myFn() which should be acting as below: 1. If function takes too long, then it will timeout and a specific message will be displayed 2. This function may generate error on its own, so if it evaluates before that specific time and fails then another specific me

[R] Snapshot of a shiny app

Hi, I have a Shiny app with address like http://xx.xx.xx.xx:1080/remotepp/ When I try to get a PDF snapshot of this app using webshot() function from webshot package, I see a blank PDF file saved. I also tried with appshot() function as below, however getting error: appshot(" http://xx.xx.xx.xx

[R] Complete month name from as.yearmon()

Hi, I am wondering if there is any way to get the full name from as.yearmon() function. Please consider below example: library(quantmod) as.yearmon(Sys.Date()) This gives: [1] "Apr 2019". How can I extract the full name ie. 'April 2019' Appreciate your pointer. Thanks, [[alternative H

[R] Memory usage

Hi, I have below lines of code to understand how R manages memory. > library(pryr) *Warning message:* *package ‘pryr’ was built under R version 3.4.3 * > mem_change(x <- 1:1e6) 4.01 MB > mem_change(y <- x) 976 B > mem_change(x[100] < NA) 976 B > mem_change(rm(x)) 864 B > mem_change(rm(

[R] TIme Zone error

Hi, I want to set a specific Timezone for my R environment, with below syntax: > Sys.getenv("Asia/Calcutta") [1] "" > But it sets to some blank timezone. I checked with OlsonNames(), to see available zones for R, where I found "Asia/Calcutta" available. I idea why R failed to set timezone pro

Re: [R] Webshot failed to take snapshot in Ubuntu machine

Thanks Martin, I reinstalled PhantomJS and now it works fine. Regards, On Thu, Dec 20, 2018 at 5:30 PM Martin Maechler wrote: > >>>>> Marc Girondot via R-help > >>>>> on Tue, 18 Dec 2018 13:53:34 +0100 writes: > > > Hi Christofer, I just try

[R] Failed to install RQuantLib in Ubuntu machine

Hi, I was trying to install RQuantLib in my Ubuntu machine which failed with below information : *> install.packages('RQuantLib', INSTALL_opts = c('--no-lock'))* *Installing package into ‘/usr/local/lib/R/site-library’* *(as ‘lib’ is unspecified)* *trying URL 'https://cloud.r-project.org/src/c

Re: [R] Webshot failed to take snapshot in Ubuntu machine

Is there any alternative to webshot? On Tue, Dec 18, 2018 at 6:23 PM Marc Girondot wrote: > Hi Christofer, > I just try on MacOSX and ubuntu and it works on both: > > For ubuntu: > > Sys.info() >sysname >

Re: [R] Webshot failed to take snapshot in Ubuntu machine

1.5 pillar_1.3.0 [9] rlang_0.2.2 debugme_1.1.0callr_3.0.0 tools_3.4.4 [13] compiler_3.4.4 processx_3.2.0 base64enc_0.1-3 tibble_1.4.2 On Tue, Dec 18, 2018 at 6:07 PM Christofer Bogaso < bogaso.christo...@gmail.com> wrote: > Hi, > > I was using webshot package to take sna

[R] Webshot failed to take snapshot in Ubuntu machine

Hi, I was using webshot package to take snapshot of a webpage as below: library(webshot) webshot(' https://www.bseindia.com/stock-share-price/asian-paints-ltd/asianpaint/500820/', 'bb.pdf') However what I see is a Blank PDF file is saved. However if I use the same code in my windows machine it

[R] Width of a text

Hi, In HTML there is a way to measure the width of a Text before printing it on screen as in https://www.w3schools.com/tags/canvas_measuretext.asp In R we have nchar() function which just measures the number of letters in a Text, but I wonder if we can measure the width of text as well. I have a

[R] POSIXct format

Hi, I am trying to format my Character strings to POSIXct as below : > as.POSIXct('2018-11-2700:00:00', format = "%Y-%m-%d%H:%M:%S", tz = 'UTC') [1] "2018-11-27 UTC" > as.POSIXct('2018-11-2701:00:00', format = "%Y-%m-%d%H:%M:%S", tz = 'UTC') [1] "2018-11-27 01:00:00 UTC" For the first case, I wa

[R] Drawing a random number

Hi, I would like to draw an Integer from a range of [10, 1000] inclusive, however that random integer should be outside of a pre-defined vector of integers. Let say I draw an integer as below as.integer(runif(1, 10, 1000)) and my pre-defined vector is Vec = c(563, 453, 897, 567) The policy is

[R] How to remove backslash

Hi, I have below string where I am trying to remove Backslash from. I tried with gsub() function, however failed to remove that: > str = ' gsub("\\", "", str) Error in gsub("\\", "", str) : invalid regular expression '\', reason 'Trailing backslash' Any pointer to the right approach? Thanks

[R] Obtaining exact pattern in list.files()

Hi, In the list.files() function, there is an argument 'pattern' to locate the desired files. However I failed to see if I can manage to fetch those files that having an exact match. For example, if there are 2 files that contain the expression 'File' and 'Second_File', then I should get the 1st

[R] Cant schedule R job using taskscheduleR

Hi, I am trying to schedule an R job using taskscheduler_create() function available in package taskscheduleR. Below is my code: > library(taskscheduleR) Warning message: package ‘taskscheduleR’ was built under R version 3.5.1 > taskscheduler_create(taskname = "ABC", rscript = paste("C:\\ABC.R")

Re: [R] [FORGED] Adding % sign to ticks in persp()

LSE) > } > lapply(labelGrobs, addPercent) > grid.refresh() > > ... is that what you meant? The positioning of the labels relative to > the tick marks is imperfect and could perhaps be improved by also > editing the 'cex' for the labels, but hopefully this gets close enough

[R] Adding % sign to ticks in persp()

Hi, Is there any way to add styles to the tick marks in persp() function? For eample I want to add '%' suffix to the z-axis tick marks.in below plot : x <- seq(-10, 10, length= 30) y <- x f <- function(x, y) { r <- sqrt(x^2+y^2); 10 * sin(r)/r } z <- outer(x, y, f) z[is.na(z)] <- 1 op <- par(bg

Re: [R] dbGetQuery() returns wrong value

The data type is defined as bigint On Mon, Jul 30, 2018 at 4:45 PM Eric Berger wrote: > The ID matches in the first 16 characters. > How is your table declared? > > > On Mon, Jul 30, 2018 at 2:00 PM, Christofer Bogaso < > bogaso.christo...@gmail.com> wrote: >

Re: [R] dbGetQuery() returns wrong value

0.0 loaded via a namespace (and not attached): [1] compiler_3.5.0 tools_3.5.0 On Mon, Jul 30, 2018 at 2:27 PM Christofer Bogaso < bogaso.christo...@gmail.com> wrote: > Hi, > > I used following SQL query to fetch information from DB > > > dbGetQuery(Conn, "select ID from XX

[R] dbGetQuery() returns wrong value

Hi, I used following SQL query to fetch information from DB > dbGetQuery(Conn, "select ID from where date = '2018-07-18' and ID = '72075186224672770' limit 10") ID 1 72075186224672768 As you see, it is returning a different result from what actual query string contains. However wh

[R] Saving objects in RData file in different name

Hi, Let say I have 2 objects as below x1 = 1:3 x2 = 5:4 Now I want to save both x1 and x2 in some RData file, however x1 will be saved with a different name e.g. y I tried below save(y = x1, x2, file = "file.RData") However still they are saved in their original names i.e. x1 and x2, not y an

[R] Stop a loop if it takes long time

Hi, Let say I am implementing a loop using for() / apply()-family etc. Now, the calculation-time within a particular loop is not fixed, means, some loop takes a long time to finish calculation, and next loop perhaps very quick to finish. I am exploring if there is any way, to check if the calcul

Re: [R] Zoo changing time-zone when I merge 2 zoo time series

My default is set as GMT. On Mon, Jul 9, 2018 at 4:01 PM David Wolfskill wrote: > On Mon, Jul 09, 2018 at 03:52:02PM +0530, Christofer Bogaso wrote: > > Hi, > > > > Below is my code : > > > > library(zoo) > > Dat1 = structure(c(17890, 17770.01, 17600, 17

[R] Zoo changing time-zone when I merge 2 zoo time series

Hi, Below is my code : library(zoo) Dat1 = structure(c(17890, 17770.01, 17600, 17593, 17630.01), index = structure(c(1512664740, 1512664800, 1512664860, 1512664920, 1512664980), class = c("POSIXct", "POSIXt"), tzone = "America/Los_Angeles"), class = "zoo") Dat2 = structure(c(15804.28, 15720.61, 1

[R] R couldnt recognize US Pasific timezome

Hi, I wanted to convert Epoch time to readable time with US Pacific Time Zone using 'anytime' package, as below: > library(anytime) > anytime(1417411980, tz = 'PST') [1] "2014-12-01 05:33:00 GMT" Warning message: In as.POSIXlt.POSIXct(x, tz) : unknown timezone 'PST' However it appears that R co

Re: [R] parallel processing in r...

Hi, On ' how to use "top" inside the R prompt? ' you can use system('top') command. Thanks, On Sun, Jul 1, 2018 at 9:53 PM Benoit Vaillant wrote: > Hello, > > On Sun, Jul 01, 2018 at 11:31:29AM +, akshay kulkarni wrote: > > I tried "top" at the bash prompt, but it provides a way to measure

Re: [R] A question on Statistics

k you may need to reconsider Jeff's advice. > > > Cheers, > Bert > > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County"

Re: [R] A question on Statistics

opinion on my question. Answer to Jeff's pointer - yes my distribution is assumed to be centered at 0. Thanks, On Sun, Jul 1, 2018 at 8:04 AM Hasan Diwan wrote: > Christofer, > On Sat, 30 Jun 2018 at 12:54, Jeff Newmiller > wrote: > > > > You should use Stack Ex

[R] A question on Statistics

Hi, I have a quick question on Statistical distribution as follows, hoping Statisticians here would give me very insightful feedback. Say, I have a large sample from a highly asymmetric distribution ranging from -Inf to +Inf. Now I wish to calculate sample X1 and X2 within which middle 70% probab

Re: [R] Correctly executing system code using R in Ubuntu server

LAY=":10") > > x11() > Warning message: > In x11() : cairo-based types may only work correctly on TrueColor visuals > > > > Bill Dunlap > TIBCO Software > wdunlap tibco.com > > On Mon, Jun 25, 2018 at 2:04 PM, Christofer Bogaso < > bogaso.christo..

[R] Correctly executing system code using R in Ubuntu server

Hi, I am curious on how to correctly run System code with R under Ubuntu. I tried to execute below 2 lines of code using system() functions in Ubuntu server, however could not achieve the desired result. system('Xvfb :10 -ac &') system('export DISPLAY=:10') System parameters: > Sys.info()

Re: [R] Efficient manipulation with list object

s, > > Rui Barradas > > > > Enviado a partir do meu smartphone Samsung Galaxy. > Mensagem original > De: Christofer Bogaso > Data: 10/06/2018 16:33 (GMT+00:00) > Para: r-help > Assunto: [R] Efficient manipulation with list object > > Hi, &

[R] Efficient manipulation with list object

Hi, I have a list of length 10,000, and each element of that list is a matrix with 3 columns and 2,000 rows. Now when I tried to make a Matrix object with that list using Reduce('rbind', list), my code is taking a considerable amount of time. Is there any way to implement same above task in more

[R] Time and date conversion

Hi, I have an automatic data feed and I obtained a Date vector in the following format: > Date [1] "03 Jun 2018 10:01 am CT""01 Jun 2018 22:04:25 pm CT" I now like to convert it to UTC time-zone Is there any easy way to convert them so, particularly since 1st element doesnt have any Second

Re: [R] Unable to take correct Web-snapshot

Thanks for that information. However how can I use R to directly get data from that API? On Fri, Jun 1, 2018 at 8:36 PM Martin Møller Skarbiniks Pedersen < traxpla...@gmail.com> wrote: > On 1 June 2018 at 15:08, Christofer Bogaso > wrote: > > Hi again, > > > >

[R] Unable to take correct Web-snapshot

Hi again, I use the *webshot* package to take snapshot from Webpage. However, when I try to take snapshot from* https://www.coinbase.com/ *, this fails to take the full snapshot of that page. I tried following : > library(webshot) > webshot("https://www.coinbase.com/";

[R] Wired result when I convert from Character to Numeric

Hi, Below is my simple result in R > x = "1282553.821000" > as.numeric(x) [1] 1282554 Any idea where all numbers in the decimal places (ie 8, 2, 1) are gone? Thanks, __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://sta

[R] Split a data.frame

Hi, I am struggling to split a data.frame as will below scheme : DF = data.frame(name = c('a', 'v', 'c'), val = 0); DF split_str = c('a', 'c') Now, for each element in split_str, R should find which row of DF contains that element, and return DF with all rows starting from next row of the corre

[R] Quandl data download error

Hi, I use Quandl package to download data from Quandl https://www.quandl.com Today when I tried to download data from there, I received below error : > Quandl('LME/PR_CO') Error in curl::curl_fetch_memory(url, handle = handle) : gnutls_handshake() failed: An unexpected TLS packet was received

[R] Rolling window difference for zoo time series

Hi, I have a 'zoo' time series as below : Zoo_TS = zoo(5:1, as.Date(Sys.time())+0:4) Now I want to calculate First order difference of order 1, rolling window basis i.e. (Zoo_TS[2] - Zoo_TS[1] ) / Zoo_TS[1] (Zoo_TS[3] - Zoo_TS[2] ) / Zoo_TS[2] . Is there any direct function available to ac

Re: [R] Empirical density estimation

oming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > On Sun, Mar 11, 2018 at 11:45 AM, Christofer Bogaso > wrote: >> >> Hi, >> >> Let say I have below vector of data-points : >> >>

[R] Empirical density estimation

Hi, Let say I have below vector of data-points : Dat = c(-0.444, -0.25, -0.237449799196787, -0.227467046669042, -0.227454464682363, -0.22, -0.214876033057851, -0.211781206171108, -0.199891067538126, -0.192920353982301, -0.192307692307692, -0.186046511627907, -0.184418145956608, -0.

Re: [R] Change Function based on ifelse() condtion

calling FUN, so FUN is being called with zero arguments, exactly as > it is declared. > > A quick workaround is to change the line > > Lapply_me(as.list(1:4), function(xx) { > > to > > Lapply_me(as.list(1:4), function(xx,dummyList) { > > HTH, > Eric > &

Re: [R] Change Function based on ifelse() condtion

pass anything that how is FUN declared? > You have not shown that in your email. > > > > > On Sun, Mar 4, 2018 at 7:11 PM, Christofer Bogaso > wrote: >> >> My modified function looks below : >> >> Lapply_me = function(X = X, FUN = FUN, Apply_MC =

Re: [R] Change Function based on ifelse() condtion

yList)) } } Here, I am not passing ... anymore rather passing myList On Sun, Mar 4, 2018 at 10:37 PM, Eric Berger wrote: > Hi Christofer, > Before you made the change that I suggested, your program was stopping at > the statement: list(...) = list(..) .etc > This means that it neve

Re: [R] Change Function based on ifelse() condtion

@Eric - with this approach I am getting below error : Error in FUN(X[[i]], ...) : unused argument (list()) On Sun, Mar 4, 2018 at 10:18 PM, Eric Berger wrote: > Hi Christofer, > You cannot assign to list(...). You can do the following > > myList <- list(...)[!names(list(...))

Re: [R] Change Function based on ifelse() condtion

urdoch wrote: > On 04/03/2018 10:39 AM, Christofer Bogaso wrote: >> >> Hi again, >> >> I am looking for some way to alternately use 2 related functions, >> based on some ifelse() condition. >> >> For example, I have 2 functions mclapply() and lapply()

[R] Change Function based on ifelse() condtion

Hi again, I am looking for some way to alternately use 2 related functions, based on some ifelse() condition. For example, I have 2 functions mclapply() and lapply() However, mclapply() function has one extra parameter 'mc.cores' which lapply doesnt not have. I know when mc.cores = 1, these 2 f

Re: [R] How to programmatically save a web-page using R (mimicking Command+S)

wondering if there is any other direct ways to achieve the same. Thanks, On Sat, Jan 6, 2018 at 7:14 PM, Henrik Bengtsson wrote: > The 'webshot' package (on CRAN) can do this. > > Henrik > > On Jan 6, 2018 05:27, "Christofer Bogaso" > wrote: >> >> H

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