How to apply custom functions to filtered data excluding hidden rows in Google Sheets

I’m working with filtered data in Google Sheets and need to run calculations that aren’t available in the SUBTOTAL function. The problem is that regular functions include hidden rows in their calculations, but I only want to work with visible cells.

Specifically, I want to calculate things like mean square values using SUMSQ and COUNT functions, or use MINIFS while skipping empty cells - all on filtered data only.

Is there a way to:

  • Get a range that contains only visible (non-hidden) cells?
  • Access the filter conditions applied to a filtered column?

I need these calculations to automatically update when I change my filter settings, just like SUBTOTAL does.

I’ve had good luck combining SUMPRODUCT with SUBTOTAL(103,OFFSET). Try =SUMPRODUCT(SUBTOTAL(103,OFFSET(range,ROW(range)-MIN(ROW(range)),0,1))) to check if rows are visible, then multiply by your values. It’s clunky but auto-updates with filters, which beats manual FILTER formulas.

Array formulas with IF statements work great here. Check cell visibility with SUBTOTAL(103,INDIRECT(“A”&ROW())). For mean square calculations, try =SUMPRODUCT((SUBTOTAL(103,OFFSET(A:A,ROW(A:A)-1,0,1))>0)*(A:A^2))/SUMPRODUCT((SUBTOTAL(103,OFFSET(A:A,ROW(A:A)-1,0,1))>0)). The SUBTOTAL(103,OFFSET(…)) returns 1 for visible rows, 0 for hidden ones. I’ve used this when AGGREGATE doesn’t have what I need. It’ll auto-update when your filters change.

The Problem:

You’re encountering challenges performing complex calculations on filtered data in Google Sheets, where standard functions include hidden rows, and built-in functions like SUBTOTAL lack the flexibility for operations like calculating mean square values or using MINIFS while excluding empty cells. You need these calculations to dynamically update whenever your filter criteria change, mirroring the behavior of SUBTOTAL. The core issue is the limitation of Google Sheets’ built-in functions when dealing with dynamic, filtered ranges within complex calculations.

:thinking: Understanding the “Why” (The Root Cause):

Google Sheets’ formula engine has limitations when handling complex calculations involving dynamically changing ranges based on filter criteria. Functions like SUMPRODUCT, AGGREGATE, and even nested IF statements with SUBTOTAL can become extremely complex and computationally expensive, especially with larger datasets. These approaches often struggle to maintain efficiency and readability as the complexity of your calculations increases. Directly manipulating filtered ranges within formulas becomes cumbersome and error-prone, leading to performance issues and making it difficult to maintain and debug. The inherent limitation lies in the way Sheets processes formulas; it’s not designed for the level of dynamic range manipulation required for certain advanced calculations on filtered data.

:gear: Step-by-Step Guide:

The most effective solution is to automate the data processing outside of Google Sheets’ formula engine. This allows you to leverage more powerful programming techniques and avoid the limitations of spreadsheet formulas. Here’s how:

Step 1: Automate with a Workflow Tool.

Utilize a workflow automation tool (such as the one mentioned in the original post, or a similar platform) to manage the entire process. These tools provide a robust and scalable approach to handling complex data manipulations.

Step 2: Create a Workflow:

  1. Connect to Google Sheets: Establish a connection to your Google Sheet containing the data.
  2. Retrieve Filtered Data: Use the automation tool to fetch data, only from the visible cells within your filtered range. This eliminates the need to work with hidden rows directly within your calculations.
  3. Perform Calculations: Implement the desired calculations (e.g., mean square values, MINIFS excluding empty cells) within the workflow using the tool’s scripting capabilities (e.g., Python, JavaScript). This provides far greater flexibility than relying on built-in Google Sheets functions.
  4. Update Google Sheet: Write the calculated results back to your Google Sheet, typically into specific cells. This can be configured to run automatically at set intervals or triggered by changes in your source data.

Step 3: Test and Refine:

Thoroughly test the automated workflow with various filter settings and datasets to ensure its accuracy and efficiency. Adjust the workflow as needed to handle different edge cases or unexpected scenarios.

:mag: Common Pitfalls & What to Check Next:

  • Data Integrity: Ensure your source data in Google Sheets is clean and consistent to avoid errors in your automated calculations.
  • Error Handling: Implement robust error handling in your automated workflow to gracefully manage potential issues, such as missing data or unexpected data formats.
  • Scaling: Consider the scalability of your solution. Will the automated workflow perform well with larger datasets? Optimize your code if needed.
  • Maintenance: Regularly review and update your automated workflow as your requirements change or you discover new data issues.

:speech_balloon: Still running into issues? Share your (sanitized) config files, the exact command you ran, and any other relevant details. The community is here to help!

here’s another trick - create a helper column with =IF(SUBTOTAL(103,A2:A2),ROW(),“”) then reference it in your calculations. this gives you the actual row numbers of visible cells only, which you can use with INDEX/MATCH for custom functions. it’s a bit manual but updates automatically when you change filters.

Google Apps Script is another solid option when formulas get too messy. I write a custom function that reads the filtered range, finds visible rows through the sheet’s filter object, then does whatever math I need on those cells. It auto-recalculates when filters change. Built one for variance calculations on filtered sales data since there’s no AGGREGATE function for that. About 20 lines of code and handles edge cases way better than crazy nested formulas. Works fine for datasets under 10k rows, and you don’t have to deal with those massive SUMPRODUCT expressions that break every time someone adds a column.

I’ve encountered this issue myself and found that using the AGGREGATE function with array formulas is quite effective. Unlike SUBTOTAL, it offers greater flexibility and automatically ignores hidden rows. For calculating sums of squares, you can utilize AGGREGATE(5,5,range^2)—where the first ‘5’ signifies SUM and the second ‘5’ ensures hidden rows are skipped. If you’re looking to apply MINIFS with filtered data, I recommend opting for the FILTER function instead of relying on sheet filters directly. For instance, using MINIFS(FILTER(data_range, condition_range<>“”)) can yield the desired outcome, though this requires manually setting the conditions rather than using the UI filters, making it a solid workaround when SUBTOTAL doesn’t meet your needs.

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