How to convert multiple columns of data into one column in Excel
tags: excel probability theory Linear Algebra
As shown in the figure below, it is a table of students attending a certain class on a certain day. Now I want to convert this table into one column first and then the columns.
Enter the formula in cell H2 =INDIRECT(TEXT(SMALL(IF($B$2:$F$10<>"",ROW($2:$10)/1%+COLUMN(B:F),9999),ROW(A1 )),"R0C00"),0)&"" and then press Ctrl+shift+enter. to extract the first student name
Fill down the H2 cell until a blank cell appears. You can convert these 5 columns of data into 1 column for display
Let's analyze this formula with you. The first is the row function and the column function, and their functions are to return the row number and column number of the cell respectively. Enter the formulas =ROW(A1), =COLUMN(A1) in cells I2 and J2 respectively, and then fill down and right respectively. The result is as shown below
Then [IF($B$2:$F$10<>"",ROW($2:$10)/1%+COLUMN(B:F),9999)], it first judges whether the cell B2:F10 is an empty cell If not, return the corresponding row number divided by 1% and then add the corresponding column number, otherwise return the value 9999, in this article the result it returns is an array of row and column numbers.
Then there is the small function. As the cell is pulled down, it returns the first minimum value, the second minimum value, ... the nth minimum value of the array mentioned in the previous step.
Next comes the text function, which is a literal that converts a value to a specific number format. In this context it converts the location information returned by the small function into an R1C1 reference-style string.
Finally, the INDIRECT function returns a reference specified by a text string. This function immediately evaluates the reference and displays its contents. If you need to change references to cells in a formula without changing the formula itself, use the function INDIRECT. What it does in this context is return R1C1 style cell references.
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