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Questions tagged [chron]

An R package for Chronological objects which can handle dates and times, written by David James.

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Subtracting r objects of class 'times'

I have two objects of class 'times' generated using chron that I am trying to compare. On the surface they look identical: > str(x) Class 'times' atomic [1:6] 0.04444 0.05417 0.05486 0.00208 0.01111 ... ..- attr(*, "format")= chr…
lcabral
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Format Time in R independent of a Date

How do I format time independent of a date in R? I have a time vector that I would like to add and subtract; however, when I format the vector as POSIXct(), POSIXlt(), or strptime() R attaches a date to it: > sample V1 1 1:23 2 5:20 3 2:28 4…
DataProphets
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Problems locale language with converting string to dates

I have problems with converting strings into dates. First I encountered the problem and figured out that as.chron is using the Dutch abbrevations. Therefore I thought that changing the locale would solve this problem. However after doing this I…
Twan Houwers
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Spring is not running my @Scheduled(cron = "0,30 * * * * *")

Following is code I am using spring.boot.version 1.4.1.RELEASE now Nothing is printed when I start the server I am using @Scheduled annotation to run a cron job but It never starts Same code works fine if I create new project and use following…
vk1
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R / chron - data.frame tag by time-range

First question to stackoverflow so apologies if I don't follow etiquette... I have a table df similar to the following: subject_id date_time 1 1999-10-20 19:08:00 2 1983-03-16 00:28:14 .... I'm trying to add further columns to…
Nickopotamus
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Installing package "chron" in R

Running Ubuntu 14.04 and while installing the package chron on R, I get the following message: * installing *source* package ‘chron’ ... ** package ‘chron’ successfully unpacked and MD5 sums checked ** libs gcc -std=gnu99 -I/usr/share/R/include…
Natalia Restrepo Coupe
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How to lock screen 30 minutes after unlock

I would like my children to only use the computer for 30 minutes, at which time I would like the screen to be locked. At that point, if I choose to unlock the screen again, I would like the screen to lock again in another 30 minutes. How can I write…
aam
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24:00 hour support in R

R supports time from 00:00 to 23:59. Is there a way to change it to 24:00. creating a POSIXct object of "2012-12-03 24:00" makes it "2012-12-04 00:00". For my dataset(TMY3) this is problematic. As a workaround I have replaced all instance of "24:00"…
MySchizoBuddy
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scheduled task from plesk "unable to resolve host address"

Under my virtualHost, I need to schedule a task. Done it from plesk , and working till a week ago. I have tried adding another task, and then it stop worked. The task is wget http://mydomain.it/cron/scrape.php . and obviously called from external…
giuseppe
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How to convert variable to time format when values have different formatting

I am trying to convert a variable that contains that length of time of a phone call from a factor into a chronological format using the chron function. However, the values for calls that were less then 1 hour are reported as m:s, while calls that…
Andrews
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Reassign the starting Julian date (July 1st = Julian date 1, southern hemisphere)

My data set includes various observations at different stages throughout the year. year when samples were collected. site location of measurement Class physical stage during r of measurement date date of measurement Julian Julian date The final…
hesaguy
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How do I run a Jenkins job on a weekend, AFTER another job has completed?

I have a job in Jenkins that I only want to run on Saturday, but it must only be ran after another job is finished (this is a report job, so data must be in place). I understand how to use the Jenkins con expressions, but can I chain that in…
user1151133
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How to aggregate tweets per minute

I´ve done some for-fun twitter-mining. I used twitters streaming-APi and recorded the tweets before, while and after a football match. Now i want to do a ggplot2-graph that shows the frequency of tweets on the football match. In the original…
SEMson
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Creating and appending csv files

I am working on my first python project and am in over my head. I am trying to collect bike share data from an xml feed. I want to capture this data every n minutes, lets say 5 for now, then create a csv file of that data. Additionally I want to…
pedrohobo
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Converting date from MS Excel 2010 to R's Date format

With a data set imported from MS Excel 2010, similar to df which is: x0 xx d1 d2 2014-04-29 16189 1944-04-27 1944-04-29 2014-04-29 16189 1944-04-27 1944-04-29 2014-04-29 16189 1944-04-27 1944-04-29 2014-04-29 16189 1944-04-27…
Duna
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