Data+table+cheat+sheet PDF
| Title | Data+table+cheat+sheet |
|---|---|
| Course | Business Analysis with R |
| Institution | The University of Texas at Dallas |
| Pages | 1 |
| File Size | 187 KB |
| File Type | |
| Total Downloads | 84 |
| Total Views | 147 |
Summary
Download Data+table+cheat+sheet PDF
Description
DATA ANALYSIS THE DATA.TABLE WAY The official Cheat Sheet for the DataCamp course
“Take DT, subset rows using i, then calculate j grouped by by”
General form: DT[i, j, by]
CREATE A DATA TABLE Create a data.table and call it DT.
library(data.table) > DT set.seed(45L) V1 V2 DT...
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