Visualization, Prototypes, ML, Data wrangling and Art.
Public
Edited
Apr 24, 2023
message
viewof recordingDuration = Inputs.range([2, 100], {label: "Recording duratation", step: 1, value: 20})
viewof classes = Inputs.text({label: "All classes", value: "neutral,breath"})
viewof selectedClass = Inputs.select(classes.split(","), {label: "Select a Class"})
viewof sampleIdx = Inputs.button(`collect samples for ${recordingDuration}s`)
mutable logClasses = []
logClasses
Type Table, then Shift-Enter. Ctrl-space for more options.
record = {
sampleIdx;
yield true;
await Promises.delay(recordingDuration*1000)
yield false
}
recorder = {
if(record){
mutable logClasses.push({...message, selectedClass, sampleIdx})
return "recording"
}
return "idle"
}
// rename header step to heater
dataGrouped = d3.group(logClasses, d => d.selectedClass, d => d.sampleIdx, d => d.idx)
dataGrouped
formatedGas = {
let arr = []
for (const [selectedClass, samples] of dataGrouped) {
//yield sensors
for (const [sampleIdx, sensorSamples] of samples) {
const gasConcated = [0,1,2,3,4,5,6,7].map(sensorIdx => [
`sensor${sensorIdx}`,
sensorSamples.get(sensorIdx).map(d => parseInt(d.gas_resistance)).join(",")
])
arr.push({
selectedClass,
...Object.fromEntries(gasConcated)
})
}
}
return arr
}
formatedGas
createdFile = {
const z = zip();
for (const [i, row] of formatedGas.entries()) {
const csvText = d3.dsvFormat(",").format([row])
z.file(`${row.selectedClass}.${i}.csv`, csvText);
}
return z.generateAsync({ type: "blob" });
}
import {viewof port, message} from "@cpietsch/webserial-with-bme688-dev-board"
import {zip, zipreader} from "@fil/jszip"
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.