Re: [R] date and time data on x axis

Hi, Bert I will check those two, by the way, how can you find the two function? have you used them before? Thanks very much. From: Bert Gunter Date: 2018-11-04 10:07 To: snowball0916 CC: MacQueen, Don; R-help Subject: Re: [R] date and time data on x axis See ?identify and ?locator Cheers

Re: [R] date and time data on x axis

e other way to get the same goal? > > Thanks very much. > > > > > > From: MacQueen, Don > Date: 2018-10-30 00:01 > To: snowball0916; r-help > Subject: Re: [R] date and time data on x axis > Here's an example of 24 hours of data at one second intervals. > &g

Re: [R] date and time data on x axis

hanks very much. From: MacQueen, Don Date: 2018-10-30 00:01 To: snowball0916; r-help Subject: Re: [R] date and time data on x axis Here's an example of 24 hours of data at one second intervals. npts <- 24*60*60 df <- data.frame( tm = seq( Sys.time(), by

Re: [R] date and time data on x axis

Hi, Don I got it, I will try and study . Thanks very much. From: MacQueen, Don Date: 2018-10-30 00:01 To: snowball0916; r-help Subject: Re: [R] date and time data on x axis Here's an example of 24 hours of data at one second intervals. npts <- 24*60*60 df <-

Re: [R] date and time data on x axis

Hi, Rui Thank you . I will try later. Thanks again. From: Rui Barradas Date: 2018-10-30 00:38 To: snowball0916; r-help Subject: Re: [R] date and time data on x axis Hello, Inline. Às 14:03 de 29/10/2018, snowball0916 escreveu: > Hi, Rui > Thanks for your code, even though I

Re: [R] date and time data on x axis

*From:* Rui Barradas <mailto:ruipbarra...@sapo.pt> *Date:* 2018-10-29 02:53 *To:* snowball0916 <mailto:snowball0...@163.com>; r-help <mailto:r-help@r-project.org> *Subject:* Re: [R] date and time data on x axis Hello, Maybe y

Re: [R] date and time data on x axis

Here's an example of 24 hours of data at one second intervals. npts <- 24*60*60 df <- data.frame( tm = seq( Sys.time(), by='1 sec', length=npts), yd = round(runif(npts),2) ) head(df) with(df, plot(tm,yd)) The x axis appears to me to be display

Re: [R] date and time data on x axis

Hi, Jim Thanks very much, I will need to study your code, though. Will large volume of data will affect the x axis display? Thanks again. From: jim holtman Date: 2018-10-29 05:53 To: snowball0916 CC: R mailing list Subject: Re: [R] date and time data on x axis You need to specify what the

Re: [R] date and time data on x axis

d help(POSIXct) and not found the actual use. Thanks very much. From: Rui Barradas Date: 2018-10-29 02:53 To: snowball0916; r-help Subject: Re: [R] date and time data on x axis Hello, Maybe you could get some inspiration in the following code. op <- par(mar = c(4, 0, 0, 0) + par(&

Re: [R] date and time data on x axis

You need to specify what the format of the date will be. I am using ggplot for the plot: library(lubridate) library(tidyverse) mydata <- read.table(text = "time value 20181028_10:00:00 600 20181028_10:00:01 500 20181028_10:00:02 450 20181028_10:00:03 660", header = TR

Re: [R] date and time data on x axis

Hello, Maybe you could get some inspiration in the following code. op <- par(mar = c(4, 0, 0, 0) + par("mar")) plot(xdata, ydata, type = "o", xaxt = "n") axis.POSIXct(1, xdata, at = xdata, labels = xdata, las = 2) par(op) The important part is the call axis.POSIXct, argument las = 2 and the

[R] date and time data on x axis

Hi, guys How do you guys deal with the date and time data on x axis? I have some trouble with it. Could you help with this? = Sample Data = The sample data look like this: 20181028_10:00:00 600 20181028_10:00:01 500 20181028_10:00:02 450 20181028_10:00:03 660 .. ==