Creating a new date.time “interval” column based on start date.time and end date.time
I have a data set of start and end times of when a reef is exposed during low tide. I am trying to create a new column called "interval" using the lubridate::interval function. I have about 400 rows of data.
https://github.com/LCRoysterproject/bird/blob/STEVEN-L--DEVELOPMENT/data/birdcamtides.csv
Site Start.Date.Time End.Date.Time
1 LCOR_1 2017-11-08 13:20:00 2017-11-08 15:00:00
2 LCOR_1 2017-11-09 08:40:00 2017-11-09 15:45:00
3 LCOR_1 2017-11-10 09:20:00 2017-11-10 18:30:00
4 LCOR_1 2017-11-11 10:00:00 2017-11-11 18:55:00
5 LCOR_1 2017-11-12 12:05:00 2017-11-12 18:30:00
6 LCOR_1 2017-11-13 13:40:00 2017-11-13 18:55:00
7 LCOR_1 2017-11-14 07:35:00 2017-11-14 09:10:00
8 LCOR_1 2017-11-14 14:45:00 2017-11-14 18:55:00
9 LCOR_1 2017-11-15 07:30:00 2017-11-15 10:30:00
10 LCOR_1 2017-11-15 15:50:00 2017-11-15 18:55:00
library(lubridate)
tides <- read.csv("data/birdcamtides.csv", header = T)
tides$Start.Date.Time <- paste(tides$Date, tides$Start.Low.Tide)
tides$End.Date.Time <- paste(tides$Date, tides$End.Low.Tide)
tides$Start.Date.Time <- mdy_hm(tides$Start.Date.Time, tz = 'EST')
tides$End.Date.Time <- mdy_hm(tides$End.Date.Time, tz = 'EST')
tides$interval <- interval(tides$Start.Low.Tides,
tides$End.Low.Tide)
I keep getting the error
"Error in as.POSIXlt.character(as.character(x), ...) :
character string is not in a standard unambiguous format"
I don't understand how I am getting this error, since all of my dates are in the POSIX.ct format. My question is different because I am trying to write a function or something to create a new column with an interval for each corresponding start and end time.
r datetime intervals lubridate
add a comment |
I have a data set of start and end times of when a reef is exposed during low tide. I am trying to create a new column called "interval" using the lubridate::interval function. I have about 400 rows of data.
https://github.com/LCRoysterproject/bird/blob/STEVEN-L--DEVELOPMENT/data/birdcamtides.csv
Site Start.Date.Time End.Date.Time
1 LCOR_1 2017-11-08 13:20:00 2017-11-08 15:00:00
2 LCOR_1 2017-11-09 08:40:00 2017-11-09 15:45:00
3 LCOR_1 2017-11-10 09:20:00 2017-11-10 18:30:00
4 LCOR_1 2017-11-11 10:00:00 2017-11-11 18:55:00
5 LCOR_1 2017-11-12 12:05:00 2017-11-12 18:30:00
6 LCOR_1 2017-11-13 13:40:00 2017-11-13 18:55:00
7 LCOR_1 2017-11-14 07:35:00 2017-11-14 09:10:00
8 LCOR_1 2017-11-14 14:45:00 2017-11-14 18:55:00
9 LCOR_1 2017-11-15 07:30:00 2017-11-15 10:30:00
10 LCOR_1 2017-11-15 15:50:00 2017-11-15 18:55:00
library(lubridate)
tides <- read.csv("data/birdcamtides.csv", header = T)
tides$Start.Date.Time <- paste(tides$Date, tides$Start.Low.Tide)
tides$End.Date.Time <- paste(tides$Date, tides$End.Low.Tide)
tides$Start.Date.Time <- mdy_hm(tides$Start.Date.Time, tz = 'EST')
tides$End.Date.Time <- mdy_hm(tides$End.Date.Time, tz = 'EST')
tides$interval <- interval(tides$Start.Low.Tides,
tides$End.Low.Tide)
I keep getting the error
"Error in as.POSIXlt.character(as.character(x), ...) :
character string is not in a standard unambiguous format"
I don't understand how I am getting this error, since all of my dates are in the POSIX.ct format. My question is different because I am trying to write a function or something to create a new column with an interval for each corresponding start and end time.
r datetime intervals lubridate
1
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05
add a comment |
I have a data set of start and end times of when a reef is exposed during low tide. I am trying to create a new column called "interval" using the lubridate::interval function. I have about 400 rows of data.
https://github.com/LCRoysterproject/bird/blob/STEVEN-L--DEVELOPMENT/data/birdcamtides.csv
Site Start.Date.Time End.Date.Time
1 LCOR_1 2017-11-08 13:20:00 2017-11-08 15:00:00
2 LCOR_1 2017-11-09 08:40:00 2017-11-09 15:45:00
3 LCOR_1 2017-11-10 09:20:00 2017-11-10 18:30:00
4 LCOR_1 2017-11-11 10:00:00 2017-11-11 18:55:00
5 LCOR_1 2017-11-12 12:05:00 2017-11-12 18:30:00
6 LCOR_1 2017-11-13 13:40:00 2017-11-13 18:55:00
7 LCOR_1 2017-11-14 07:35:00 2017-11-14 09:10:00
8 LCOR_1 2017-11-14 14:45:00 2017-11-14 18:55:00
9 LCOR_1 2017-11-15 07:30:00 2017-11-15 10:30:00
10 LCOR_1 2017-11-15 15:50:00 2017-11-15 18:55:00
library(lubridate)
tides <- read.csv("data/birdcamtides.csv", header = T)
tides$Start.Date.Time <- paste(tides$Date, tides$Start.Low.Tide)
tides$End.Date.Time <- paste(tides$Date, tides$End.Low.Tide)
tides$Start.Date.Time <- mdy_hm(tides$Start.Date.Time, tz = 'EST')
tides$End.Date.Time <- mdy_hm(tides$End.Date.Time, tz = 'EST')
tides$interval <- interval(tides$Start.Low.Tides,
tides$End.Low.Tide)
I keep getting the error
"Error in as.POSIXlt.character(as.character(x), ...) :
character string is not in a standard unambiguous format"
I don't understand how I am getting this error, since all of my dates are in the POSIX.ct format. My question is different because I am trying to write a function or something to create a new column with an interval for each corresponding start and end time.
r datetime intervals lubridate
I have a data set of start and end times of when a reef is exposed during low tide. I am trying to create a new column called "interval" using the lubridate::interval function. I have about 400 rows of data.
https://github.com/LCRoysterproject/bird/blob/STEVEN-L--DEVELOPMENT/data/birdcamtides.csv
Site Start.Date.Time End.Date.Time
1 LCOR_1 2017-11-08 13:20:00 2017-11-08 15:00:00
2 LCOR_1 2017-11-09 08:40:00 2017-11-09 15:45:00
3 LCOR_1 2017-11-10 09:20:00 2017-11-10 18:30:00
4 LCOR_1 2017-11-11 10:00:00 2017-11-11 18:55:00
5 LCOR_1 2017-11-12 12:05:00 2017-11-12 18:30:00
6 LCOR_1 2017-11-13 13:40:00 2017-11-13 18:55:00
7 LCOR_1 2017-11-14 07:35:00 2017-11-14 09:10:00
8 LCOR_1 2017-11-14 14:45:00 2017-11-14 18:55:00
9 LCOR_1 2017-11-15 07:30:00 2017-11-15 10:30:00
10 LCOR_1 2017-11-15 15:50:00 2017-11-15 18:55:00
library(lubridate)
tides <- read.csv("data/birdcamtides.csv", header = T)
tides$Start.Date.Time <- paste(tides$Date, tides$Start.Low.Tide)
tides$End.Date.Time <- paste(tides$Date, tides$End.Low.Tide)
tides$Start.Date.Time <- mdy_hm(tides$Start.Date.Time, tz = 'EST')
tides$End.Date.Time <- mdy_hm(tides$End.Date.Time, tz = 'EST')
tides$interval <- interval(tides$Start.Low.Tides,
tides$End.Low.Tide)
I keep getting the error
"Error in as.POSIXlt.character(as.character(x), ...) :
character string is not in a standard unambiguous format"
I don't understand how I am getting this error, since all of my dates are in the POSIX.ct format. My question is different because I am trying to write a function or something to create a new column with an interval for each corresponding start and end time.
r datetime intervals lubridate
r datetime intervals lubridate
edited Nov 16 '18 at 5:14
Steven
asked Nov 16 '18 at 3:45
StevenSteven
12
12
1
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05
add a comment |
1
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05
1
1
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05
add a comment |
1 Answer
1
active
oldest
votes
dput:
tides <- structure(list(Date = structure(c(15L, 16L, 1L, 2L, 3L, 4L, 5L,
5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 10L, 11L, 12L, 13L, 14L), .Label = c("11/10/2017",
"11/11/2017", "11/12/2017", "11/13/2017", "11/14/2017", "11/15/2017",
"11/16/2017", "11/17/2017", "11/18/2017", "11/19/2017", "11/20/2017",
"11/21/2017", "11/22/2017", "11/23/2017", "11/8/2017", "11/9/2017"
), class = "factor"), Site = structure(c(1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "LCOR_1", class = "factor"),
Camera = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "HC500", class = "factor"),
Start.Low.Tide = structure(c(3L, 13L, 14L, 1L, 2L, 4L, 10L,
5L, 9L, 6L, 9L, 7L, 9L, 8L, 9L, 10L, 9L, 11L, 11L, 12L), .Label = c("10:00",
"12:05", "13:20", "13:40", "14:45", "15:50", "16:40", "17:55",
"7:30", "7:35", "7:40", "8:00", "8:40", "9:20"), class = "factor"),
End.Low.Tide = structure(c(10L, 11L, 12L, 14L, 12L, 14L,
15L, 14L, 2L, 13L, 1L, 13L, 4L, 13L, 3L, 5L, 8L, 6L, 7L,
9L), .Label = c("10:25", "10:30:00", "10:45", "10:55", "12:20",
"12:50", "13:25", "13:40", "14:35", "15:00:00", "15:45:00",
"18:30:00", "18:55", "18:55:00", "9:10:00"), class = "factor"),
Notes = structure(c(1L, 1L, 1L, 3L, 1L, 3L, 2L, 3L, 2L, 3L,
2L, 3L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("", "reef showing on the first frame of the day",
"reef showing on the last frame of the day"), class = "factor"),
Start.Date.Time = structure(c(1510165200, 1510234800, 1510323600,
1510412400, 1510506300, 1510598400, 1510662900, 1510688700,
1510749000, 1510779000, 1510835400, 1510868400, 1510921800,
1510959300, 1511008200, 1511094900, 1511181000, 1511268000,
1511354400, 1511442000), class = c("POSIXct", "POSIXt"), tzone = "EST"),
End.Date.Time = structure(c(NA, NA, NA, NA, NA, NA, NA, NA,
NA, 1510790100, 1510845900, 1510876500, 1510934100, 1510962900,
1511019900, 1511112000, 1511203200, 1511286600, 1511375100,
1511465700), class = c("POSIXct", "POSIXt"), tzone = "EST")), .Names = c("Date",
"Site", "Camera", "Start.Low.Tide", "End.Low.Tide", "Notes",
"Start.Date.Time", "End.Date.Time"), row.names = c(NA, 20L), class = "data.frame")
The variable for the interval is wrong. It should be: tides$interval <- interval(tides$Start.Date.Time, tides$End.Date.Time)
as this is the lubridate version that you have calculated.
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53331123%2fcreating-a-new-date-time-interval-column-based-on-start-date-time-and-end-date%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
dput:
tides <- structure(list(Date = structure(c(15L, 16L, 1L, 2L, 3L, 4L, 5L,
5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 10L, 11L, 12L, 13L, 14L), .Label = c("11/10/2017",
"11/11/2017", "11/12/2017", "11/13/2017", "11/14/2017", "11/15/2017",
"11/16/2017", "11/17/2017", "11/18/2017", "11/19/2017", "11/20/2017",
"11/21/2017", "11/22/2017", "11/23/2017", "11/8/2017", "11/9/2017"
), class = "factor"), Site = structure(c(1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "LCOR_1", class = "factor"),
Camera = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "HC500", class = "factor"),
Start.Low.Tide = structure(c(3L, 13L, 14L, 1L, 2L, 4L, 10L,
5L, 9L, 6L, 9L, 7L, 9L, 8L, 9L, 10L, 9L, 11L, 11L, 12L), .Label = c("10:00",
"12:05", "13:20", "13:40", "14:45", "15:50", "16:40", "17:55",
"7:30", "7:35", "7:40", "8:00", "8:40", "9:20"), class = "factor"),
End.Low.Tide = structure(c(10L, 11L, 12L, 14L, 12L, 14L,
15L, 14L, 2L, 13L, 1L, 13L, 4L, 13L, 3L, 5L, 8L, 6L, 7L,
9L), .Label = c("10:25", "10:30:00", "10:45", "10:55", "12:20",
"12:50", "13:25", "13:40", "14:35", "15:00:00", "15:45:00",
"18:30:00", "18:55", "18:55:00", "9:10:00"), class = "factor"),
Notes = structure(c(1L, 1L, 1L, 3L, 1L, 3L, 2L, 3L, 2L, 3L,
2L, 3L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("", "reef showing on the first frame of the day",
"reef showing on the last frame of the day"), class = "factor"),
Start.Date.Time = structure(c(1510165200, 1510234800, 1510323600,
1510412400, 1510506300, 1510598400, 1510662900, 1510688700,
1510749000, 1510779000, 1510835400, 1510868400, 1510921800,
1510959300, 1511008200, 1511094900, 1511181000, 1511268000,
1511354400, 1511442000), class = c("POSIXct", "POSIXt"), tzone = "EST"),
End.Date.Time = structure(c(NA, NA, NA, NA, NA, NA, NA, NA,
NA, 1510790100, 1510845900, 1510876500, 1510934100, 1510962900,
1511019900, 1511112000, 1511203200, 1511286600, 1511375100,
1511465700), class = c("POSIXct", "POSIXt"), tzone = "EST")), .Names = c("Date",
"Site", "Camera", "Start.Low.Tide", "End.Low.Tide", "Notes",
"Start.Date.Time", "End.Date.Time"), row.names = c(NA, 20L), class = "data.frame")
The variable for the interval is wrong. It should be: tides$interval <- interval(tides$Start.Date.Time, tides$End.Date.Time)
as this is the lubridate version that you have calculated.
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
add a comment |
dput:
tides <- structure(list(Date = structure(c(15L, 16L, 1L, 2L, 3L, 4L, 5L,
5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 10L, 11L, 12L, 13L, 14L), .Label = c("11/10/2017",
"11/11/2017", "11/12/2017", "11/13/2017", "11/14/2017", "11/15/2017",
"11/16/2017", "11/17/2017", "11/18/2017", "11/19/2017", "11/20/2017",
"11/21/2017", "11/22/2017", "11/23/2017", "11/8/2017", "11/9/2017"
), class = "factor"), Site = structure(c(1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "LCOR_1", class = "factor"),
Camera = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "HC500", class = "factor"),
Start.Low.Tide = structure(c(3L, 13L, 14L, 1L, 2L, 4L, 10L,
5L, 9L, 6L, 9L, 7L, 9L, 8L, 9L, 10L, 9L, 11L, 11L, 12L), .Label = c("10:00",
"12:05", "13:20", "13:40", "14:45", "15:50", "16:40", "17:55",
"7:30", "7:35", "7:40", "8:00", "8:40", "9:20"), class = "factor"),
End.Low.Tide = structure(c(10L, 11L, 12L, 14L, 12L, 14L,
15L, 14L, 2L, 13L, 1L, 13L, 4L, 13L, 3L, 5L, 8L, 6L, 7L,
9L), .Label = c("10:25", "10:30:00", "10:45", "10:55", "12:20",
"12:50", "13:25", "13:40", "14:35", "15:00:00", "15:45:00",
"18:30:00", "18:55", "18:55:00", "9:10:00"), class = "factor"),
Notes = structure(c(1L, 1L, 1L, 3L, 1L, 3L, 2L, 3L, 2L, 3L,
2L, 3L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("", "reef showing on the first frame of the day",
"reef showing on the last frame of the day"), class = "factor"),
Start.Date.Time = structure(c(1510165200, 1510234800, 1510323600,
1510412400, 1510506300, 1510598400, 1510662900, 1510688700,
1510749000, 1510779000, 1510835400, 1510868400, 1510921800,
1510959300, 1511008200, 1511094900, 1511181000, 1511268000,
1511354400, 1511442000), class = c("POSIXct", "POSIXt"), tzone = "EST"),
End.Date.Time = structure(c(NA, NA, NA, NA, NA, NA, NA, NA,
NA, 1510790100, 1510845900, 1510876500, 1510934100, 1510962900,
1511019900, 1511112000, 1511203200, 1511286600, 1511375100,
1511465700), class = c("POSIXct", "POSIXt"), tzone = "EST")), .Names = c("Date",
"Site", "Camera", "Start.Low.Tide", "End.Low.Tide", "Notes",
"Start.Date.Time", "End.Date.Time"), row.names = c(NA, 20L), class = "data.frame")
The variable for the interval is wrong. It should be: tides$interval <- interval(tides$Start.Date.Time, tides$End.Date.Time)
as this is the lubridate version that you have calculated.
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
add a comment |
dput:
tides <- structure(list(Date = structure(c(15L, 16L, 1L, 2L, 3L, 4L, 5L,
5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 10L, 11L, 12L, 13L, 14L), .Label = c("11/10/2017",
"11/11/2017", "11/12/2017", "11/13/2017", "11/14/2017", "11/15/2017",
"11/16/2017", "11/17/2017", "11/18/2017", "11/19/2017", "11/20/2017",
"11/21/2017", "11/22/2017", "11/23/2017", "11/8/2017", "11/9/2017"
), class = "factor"), Site = structure(c(1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "LCOR_1", class = "factor"),
Camera = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "HC500", class = "factor"),
Start.Low.Tide = structure(c(3L, 13L, 14L, 1L, 2L, 4L, 10L,
5L, 9L, 6L, 9L, 7L, 9L, 8L, 9L, 10L, 9L, 11L, 11L, 12L), .Label = c("10:00",
"12:05", "13:20", "13:40", "14:45", "15:50", "16:40", "17:55",
"7:30", "7:35", "7:40", "8:00", "8:40", "9:20"), class = "factor"),
End.Low.Tide = structure(c(10L, 11L, 12L, 14L, 12L, 14L,
15L, 14L, 2L, 13L, 1L, 13L, 4L, 13L, 3L, 5L, 8L, 6L, 7L,
9L), .Label = c("10:25", "10:30:00", "10:45", "10:55", "12:20",
"12:50", "13:25", "13:40", "14:35", "15:00:00", "15:45:00",
"18:30:00", "18:55", "18:55:00", "9:10:00"), class = "factor"),
Notes = structure(c(1L, 1L, 1L, 3L, 1L, 3L, 2L, 3L, 2L, 3L,
2L, 3L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("", "reef showing on the first frame of the day",
"reef showing on the last frame of the day"), class = "factor"),
Start.Date.Time = structure(c(1510165200, 1510234800, 1510323600,
1510412400, 1510506300, 1510598400, 1510662900, 1510688700,
1510749000, 1510779000, 1510835400, 1510868400, 1510921800,
1510959300, 1511008200, 1511094900, 1511181000, 1511268000,
1511354400, 1511442000), class = c("POSIXct", "POSIXt"), tzone = "EST"),
End.Date.Time = structure(c(NA, NA, NA, NA, NA, NA, NA, NA,
NA, 1510790100, 1510845900, 1510876500, 1510934100, 1510962900,
1511019900, 1511112000, 1511203200, 1511286600, 1511375100,
1511465700), class = c("POSIXct", "POSIXt"), tzone = "EST")), .Names = c("Date",
"Site", "Camera", "Start.Low.Tide", "End.Low.Tide", "Notes",
"Start.Date.Time", "End.Date.Time"), row.names = c(NA, 20L), class = "data.frame")
The variable for the interval is wrong. It should be: tides$interval <- interval(tides$Start.Date.Time, tides$End.Date.Time)
as this is the lubridate version that you have calculated.
dput:
tides <- structure(list(Date = structure(c(15L, 16L, 1L, 2L, 3L, 4L, 5L,
5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 10L, 11L, 12L, 13L, 14L), .Label = c("11/10/2017",
"11/11/2017", "11/12/2017", "11/13/2017", "11/14/2017", "11/15/2017",
"11/16/2017", "11/17/2017", "11/18/2017", "11/19/2017", "11/20/2017",
"11/21/2017", "11/22/2017", "11/23/2017", "11/8/2017", "11/9/2017"
), class = "factor"), Site = structure(c(1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "LCOR_1", class = "factor"),
Camera = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "HC500", class = "factor"),
Start.Low.Tide = structure(c(3L, 13L, 14L, 1L, 2L, 4L, 10L,
5L, 9L, 6L, 9L, 7L, 9L, 8L, 9L, 10L, 9L, 11L, 11L, 12L), .Label = c("10:00",
"12:05", "13:20", "13:40", "14:45", "15:50", "16:40", "17:55",
"7:30", "7:35", "7:40", "8:00", "8:40", "9:20"), class = "factor"),
End.Low.Tide = structure(c(10L, 11L, 12L, 14L, 12L, 14L,
15L, 14L, 2L, 13L, 1L, 13L, 4L, 13L, 3L, 5L, 8L, 6L, 7L,
9L), .Label = c("10:25", "10:30:00", "10:45", "10:55", "12:20",
"12:50", "13:25", "13:40", "14:35", "15:00:00", "15:45:00",
"18:30:00", "18:55", "18:55:00", "9:10:00"), class = "factor"),
Notes = structure(c(1L, 1L, 1L, 3L, 1L, 3L, 2L, 3L, 2L, 3L,
2L, 3L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("", "reef showing on the first frame of the day",
"reef showing on the last frame of the day"), class = "factor"),
Start.Date.Time = structure(c(1510165200, 1510234800, 1510323600,
1510412400, 1510506300, 1510598400, 1510662900, 1510688700,
1510749000, 1510779000, 1510835400, 1510868400, 1510921800,
1510959300, 1511008200, 1511094900, 1511181000, 1511268000,
1511354400, 1511442000), class = c("POSIXct", "POSIXt"), tzone = "EST"),
End.Date.Time = structure(c(NA, NA, NA, NA, NA, NA, NA, NA,
NA, 1510790100, 1510845900, 1510876500, 1510934100, 1510962900,
1511019900, 1511112000, 1511203200, 1511286600, 1511375100,
1511465700), class = c("POSIXct", "POSIXt"), tzone = "EST")), .Names = c("Date",
"Site", "Camera", "Start.Low.Tide", "End.Low.Tide", "Notes",
"Start.Date.Time", "End.Date.Time"), row.names = c(NA, 20L), class = "data.frame")
The variable for the interval is wrong. It should be: tides$interval <- interval(tides$Start.Date.Time, tides$End.Date.Time)
as this is the lubridate version that you have calculated.
edited Nov 16 '18 at 6:56
answered Nov 16 '18 at 5:15
wl1234wl1234
424315
424315
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
add a comment |
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
I found this after I deleted the file. But this is a good way of shortening the dput() stackoverflow.com/questions/19767253/…
– wl1234
Nov 16 '18 at 5:18
added dput now.
– wl1234
Nov 16 '18 at 5:25
added dput now.
– wl1234
Nov 16 '18 at 5:25
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
I am still getting the error for some reason.
– Steven
Nov 16 '18 at 5:50
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
Edits made to answer. This should work. The first few rows are NA.
– wl1234
Nov 16 '18 at 6:57
add a comment |
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53331123%2fcreating-a-new-date-time-interval-column-based-on-start-date-time-and-end-date%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
1
please provide us a reproducible example using dput() otherwise it is difficult to help you
– Hunaidkhan
Nov 16 '18 at 4:05