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In Excel, you can use functions to filter data and generate indexes. Here are some common functions and steps:

1. Filtering data: Use the filtering function or automatic filtering function to screen out the required data, which can be filtered according to the value in a column, for example, select a value greater than 0 in a column.

2. Generate an

index: You can generate an index using any of the following functions:

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ROW function: Returns the row number of the corresponding cell.
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MATCH function: Finds a value in the specified range and returns the position of that value in the range.

INDEX function: Returns a value at a location in the specified range.

The specific steps are as follows:

1. Select the data to be filtered in Excel, and select a value greater than 0 in a column in the filter function.

2. Enter the following formula into an empty cell: =IF(cells greater than zero," index of the corresponding cell ",""), where "greater than zero" refers to the filtered cell, and "index of the corresponding cell" refers to the ROW number of the cell, which can be obtained using the row function.

3. Drag the formula to all the cells that need to generate indexes.

4. Using Filter or manual filter, select all rows with index values and copy them to another worksheet or cell.

5. Enter the following formula in the target cell: =INDEX(original data range, index value, number of columns), where "original data range" refers to the range containing all the data to be indexed, "Index value" refers to the previously generated index value, and "number of columns" refers to the number of columns in which the data to be obtained resides.

6. Drag the formula to all the cells where you want to get data.

With these steps, you can generate an index and get the part of the data that is greater than zero in a particular column.