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Berkeley MIDS W209 Information Visualization Course
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Published
Learn JS Data
By
John Alexis Guerra Gómez
Edited
Aug 31, 2020
CC BY 4.0
Fork of
Working with Time (Learn JS Data)
•
4 forks
2 stars
Learn JS Data
Learn JS Data
Getting Started (Learn JS Data)
Reading in Data (Learn JS Data)
Combining Data (Learn JS Data)
Summarizing Data (Learn JS Data)
Iterating Over and Reducing Data (Learn JS Data)
Grouping Data (Learn JS Data)
Working with Strings (Learn JS Data)
Regular Expressions (Learn JS Data)
Working with Time (Learn JS Data)
Checking Data Assumptions (Learn JS Data)
Insert cell
Insert cell
Insert cell
Insert cell
parser
=
d3
.
timeParse
(
"%m/%d/%Y"
)
Insert cell
Insert cell
{
let
e
=
{
...
expense
}
;
e
.
date
=
parser
(
e
.
date
)
;
return
e
;
}
Insert cell
Insert cell
d3
.
timeParse
(
"%A, %B %-d, %Y"
)
(
"Wednesday, November 12, 2014"
)
Insert cell
Insert cell
d3
.
timeParse
(
"%m/%y"
)
(
"12/14"
)
Insert cell
Insert cell
d3
.
timeParse
(
"%I:%M%p"
)
(
"12:34pm"
)
Insert cell
Insert cell
d3
.
timeParse
(
"%m/%d/%Y %H:%M:%S %p"
)
(
"1/2/2014 8:22:05 AM"
)
Insert cell
Insert cell
Insert cell
Insert cell
hour
=
{
const
hourParser
=
d3
.
timeParse
(
"%I:%M%p"
)
;
const
time
=
hourParser
(
"10:34pm"
)
;
return
d3
.
timeHour
.
round
(
time
)
;
}
Insert cell
Insert cell
d3
.
timeFormat
(
"%I:%M%p"
)
(
hour
)
Insert cell
Insert cell
Insert cell
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Try it for free
Learn more
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d3
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