There are two main ways to link data between different worksheets in Excel for a cohesive analysis:

1. Using Formulas:

* Cell Referencing: This is the most common method. You can directly reference cells from another sheet within your formula. For example, in sheet1 cell A1, you can enter `=Sheet2!A1` to display the value from cell A1 in sheet2.
* Relative vs. Absolute References: By default, Excel uses relative references, which adjust the cell location based on where the formula is copied. You can use absolute references (e.g., `$Sheet2!$A$1`) to lock onto a specific cell location in another sheet.

2. Using Copy & Paste Techniques:

* Copy & Paste Link: This method creates a link between the copied data and its source. Any changes made to the source data will be reflected in the pasted location.
1. Select the data you want to link in the source sheet.
2. Copy the data (Ctrl+C or right-click and choose "Copy").
3. Go to the destination sheet and select the cell where you want the linked data to appear.
4. Right-click and choose "Paste Special..." from the menu.
5. Under "Paste" options, select "Paste Link."
* Consolidate Data: This approach allows you to combine data from multiple sheets into a single location.
1. Go to the "Data" tab.
2. In the "Data Tools" group, click "Consolidate."
3. Define the range of data in each source sheet you want to combine.
4. Choose how you want to consolidate the data (e.g., by position or by category).
5. Click "OK" to create a consolidated table.

Choosing the Right Method:

* Use formulas for dynamic linking and live updates based on changes in the source data.
* Use copy & paste link for a one-time link or when you don't want the source data to be modified directly through the linked copy.
* Use consolidate data when you want to combine data from multiple sheets into a central location but don't necessarily need a live update.

Additional Tips:

* Use clear and descriptive sheet names to improve readability when referencing data between sheets.
* Consider using named ranges to assign names to specific cell ranges for easier reference in formulas.
* Be cautious with circular references, which can cause errors in calculations.

By effectively linking data between worksheets, you can create a powerful and flexible Excel workbook for comprehensive data analysis.