Remove duplicate rows based on values in multiple columns Subset mydt2 <- unique ... Calculate # Needs data.table version 1.13 or later # I like each condition on a new line but that’s not ...

Make your R data.table code more efficient and elegant ... With that in mind, we’ll look at some special ways to subset, count, and create new columns. For this demo, I’m going to use data ...

Each table column will contain a header row to help you sort and filter your data efficiently. Open the Excel worksheet that contains your data table. Click the table cell next to where you wish ...

What’s more, you can create multiple slicers for the same table or PivotTable, so anyone viewing the sheet can see which subsets ... with each year’s data appearing in a separate column.

Since this table only has 2 columns, it can be just as efficient to provide the data in a list form. A table listing five substances and the density of each one. The best solution is to simply provide ...

IFS streamlines this process by allowing you to check several conditions at once without nesting multiple IFs inside each ...