Platform
Resources
Pricing
Sign in
Get started
Sergei Solovev
Co-founder of SDAL, Analysts and frontend team-lead in Qoollo, Student in BMSU, Moscow, Bachata dancer ;)
Workspace
Fork
Published
By
Sergei Solovev
Edited
Mar 1, 2021
1
Insert cell
md
`# Users analysis from VK API
## Семинар группы СГН3-42Б
Сергей Соловьев, 01.03.2021
`
Insert cell
users
=
FileAttachment
(
"users (5).json"
)
.
json
(
)
Insert cell
_
=
require
(
'lodash'
)
Insert cell
chartData
=
_
.
chain
(
users
)
.
filter
(
u
=>
u
.
bdate
)
.
filter
(
u
=>
u
.
bdate
.
split
(
'.'
)
.
length
===
3
)
.
map
(
u
=>
u
.
bdate
.
split
(
'.'
)
[
2
]
)
.
countBy
(
)
.
entries
(
)
.
map
(
(
[
name
,
value
]
)
=>
(
{
name
,
value
}
)
)
.
value
(
)
Insert cell
import
{
chart
}
with
{
chartData
as
data
}
from
'@d3/bar-chart'
Insert cell
chart
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
Fork
View
Export
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
users
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
_
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
chartData
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML