- How do I apply a function to an entire column in R?
- How do you add a formula to multiple cells in numbers?
- How do I select an entire column without the header?
- How do you select an entire column with blanks?
- How do I add an entire column in sheets?
- How do I count an entire column in Excel?
- How can I apply a formula to an entire column without dragging?
- How do I apply a formula to an entire column in numbers?
- How do I copy a formula down a column in sheets?
- How do you apply a formula to an entire column quickly?
- How do I apply a function to every row in R?
- What is Sapply?
- How do I apply a formula to an entire column except the first row?
- How do I apply a formula to an entire column on a Mac?
- Is Lapply faster than for loop?

## How do I apply a function to an entire column in R?

In R, you can use the apply() function to apply a function over every row or column of a matrix or data frame..

## How do you add a formula to multiple cells in numbers?

Place the mouse on the fill handle. When the pointer changes to a black + sign, press the mouse button and drag down to fill the formula(s) into the rows below. As the formula is filled into each row, the result will appear in that row.

## How do I select an entire column without the header?

If you want to select Entire Column except Header row and also excluding all blank cells in your worksheet, you can use a shortcut keys to achieve the result. Just select the first cell except header cell, and press Shift + Ctrl + Down keys.

## How do you select an entire column with blanks?

Method #1: Excel Tables and Ctrl+Space The first solution is to use Excel Tables. When our data is in an Excel Table, we can use the keyboard shortcut Ctrl+Space to select the column of the active cell in the Table. Ctrl+Space will only select the data body range of the column, meaning the header row is excluded.

## How do I add an entire column in sheets?

How to Enter a SUM Function in Google SheetsClick or tap the cell where you want to place the formula.Tap Enter text or formula to display the keyboard.Type =sum( to start the formula.Choose the numbers you want to add together.More items…

## How do I count an entire column in Excel?

Just click the column header. The status bar, in the lower-right corner of your Excel window, will tell you the row count. Do the same thing to count columns, but this time click the row selector at the left end of the row. If you select an entire row or column, Excel counts just the cells that contain data.

## How can I apply a formula to an entire column without dragging?

Instead, you can accomplish the same copy with a double-click instead of a drag. Set up your formula in the top cell, position the mouse in the lower right-hand corner of the cell until you see the plus, and double-click. Note that this option can copy the formula down as far as Excel finds data to the left.

## How do I apply a formula to an entire column in numbers?

Select that cell. You will see a small circle in the bottom-right corner of the cell. Click and drag that down and all cells below will auto-fill with the number 50 (or a formula if you have that in a cell).

## How do I copy a formula down a column in sheets?

Highlight the first cell in your column that includes the formula, then select the fill handle (small blue box) in the cell’s bottom-right section. The cursor turns into a crosshair when positioned correctly. Drag the crosshair down to the last desired cell that will use the specified formula.

## How do you apply a formula to an entire column quickly?

Just select the cell F2, place the cursor on the bottom right corner, hold and drag the Fill handle to apply the formula to the entire column in all adjacent cells.

## How do I apply a function to every row in R?

To call a function for each row in an R data frame, we shall use R apply function. The second argument 1 represents rows, if it is 2 then the function would apply on columns.

## What is Sapply?

sapply() function takes list, vector or data frame as input and gives output in vector or matrix. It is useful for operations on list objects and returns a list object of same length of original set. sapply() function does the same job as lapply() function but returns a vector.

## How do I apply a formula to an entire column except the first row?

If your list does not contain any blank cells, you can use the shortcut to select entire column but the first row. Select the header or the first row of your list and press Shift + Ctrl + ↓(the drop down button), then the list has been selected except the first row.

## How do I apply a formula to an entire column on a Mac?

To apply the formula to entire column, here’s how: Step 1: Enter the formula into the first cell of that column, press Enter. Step 2: Select the entire column, and then go to Home tab, click Fill > Down. To apply formula to entire row: Click Home > Fill > Right.

## Is Lapply faster than for loop?

The apply functions (apply, sapply, lapply etc.) are marginally faster than a regular for loop, but still do their looping in R, rather than dropping down to the lower level of C code. … Essentially, this means calling a function that runs its loops in C rather than R code.