Co-founder of SDAL, Analysts and frontend team-lead in Qoollo, Student in BMSU, Moscow, Bachata dancer ;)
Published
Edited
Dec 17, 2020
1 star
md`
# Знакомство с ObservableHQ
## Data курс 2020`
`Привет, мир. Факториал ${fact}`
html`<h1>Заголовк HTML</h1>`
md`
## Привет!
**полужирное начертание**
*фыввфы*
Список
* первый
* второй
`
5 + 6
a = 100
b = 125
sum = a + b
number = sum - 220
fact = {
let res = 1;
for(let i = 1; i < number; i++) {
res = res * i;
}
return res;
}
fact
html`Результат вычисления факториала от ${number} равен ${fact}`
// Python style f'Результат вычисления факториала от {number} равен {fact}'
import { chart } from '@d3/bar-chart-race-explained'
chart
myData = [
{name: 'a', value: 12},
{name: 'c', value: 15},
{name: 'b', value: 25},
{name: 'd', value: 11},
{name: 'e', value: 2},
{name: 'f', value: userValue},
]
import {chart as barChart} with {myData as data} from '@d3/bar-chart'
barChart
viewof userValue = html`<input type="number" value="0">`
userValue
// import {} with {} from ''
// html`<input type="number" value="0">`
// viewof
// ceelName = {}
rockConcertsResponse = fetch('https://raw.githubusercontent.com/algolia/datasets/master/concerts/alternative_rock_artists.json')
rockConcerts = rockConcertsResponse.json()
_ = require('lodash')
rockConcertsGrouping = _.chain(rockConcerts)
.countBy(concert => concert.name)
.entries()
.orderBy(([name, count]) => count, 'desc')
.map(([name, count]) => ({name, value: count}))
.take(10)
.value()
import {chart as rockBarChart} with {rockConcertsGrouping as data} from '@d3/bar-chart'
rockBarChart
users = FileAttachment("users.json").json()
idToNameMap = new Map(_.map(users, ({id, first_name, last_name}) => ([id, `${first_name} ${last_name}`])))
graphData = ({
nodes: _.chain(users)
// Деструктурирование объектов и массивов (параметров функций) в JS
.map(({id, sex}) => ({id: idToNameMap.get(id), group: sex}))
.value(),
links: _.chain(users)
.map(user => user.friends_ids.map(friendId => [user.id, friendId]))
.flatten()
.map(([sourceId, targetId]) => [idToNameMap.get(sourceId), idToNameMap.get(targetId)])
.map(([source, target]) => ({source, target, value: 1}))
.value()
})
import { chart as graph} with {graphData as data} from '@d3/force-directed-graph'
graph
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.