Web用过R的朋友们相信一定不会对Hadley·Wickham这个名字有所陌生，作为RStudio的Chief Scientist，他为R用户贡献了多个重量级的package（ggplot2、dplyr等等）。而今天介绍的这个lubridate包，也是由他所编写，专注于对日期时间数据（Date-time data）的处理。 http://www.idata8.com/rpackage/lubridate/period_to_seconds.html

R: Contrive a period to/from a given number of seconds

http://www.codebaoku.com/it-go/it-go-280893.html WebR>lubridate::period_to_seconds (hms ("01:00:00")) gives expected 3600 seconds as numeric counting from 00:00:00 or in the case above: R>period_to_seconds (hms ("12:34:45")) Share Improve this answer Follow answered Dec 9, 2012 at … shoe size chart comparing men and women\\u0027s us

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WebAug 5, 2024 · First, you are converting the seconds into a Period (lubridate's object to represent time lapses) using seconds_to_period () function. The result of that looks like this "2H 23M 20S" Then, using hour () and minute () you can extract the units you need, in this case hours and minutes. WebContrive a period to/from a given number of seconds Description. period_to_seconds() approximately converts a period to seconds assuming there are 365.25 days in a calendar year and 365.25/12 days in a month. seconds_to_period() create a period that has the maximum number of non-zero elements (days, hours, minutes, seconds). This … shoe size chart conversion women to men