2 min readfrom Microsoft Excel | Help & Support with your Formula, Macro, and VBA problems | A Reddit Community

Combining data from multiple rows into one row: with complications

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Are you frustrated by the challenge of consolidating extensive datasets, especially when experimental duplicates complicate the process? Combining data from multiple rows into a single line can seem daunting, yet it's essential for clarity and analysis. This guide will explore effective strategies to automate this task, ensuring that you maintain the integrity of your experimental results while simplifying your workflow. Dive in to discover solutions that transform tedious manual processes into streamlined, efficient methods—empowering you to focus on insights rather than data management.

https://preview.redd.it/4j8jdi3usvlg1.png?width=596&format=png&auto=webp&s=5d89c108cca21279cbef10a52390c4f0720008e1

https://preview.redd.it/l7tmpkwvsvlg1.png?width=529&format=png&auto=webp&s=7bff40ce1767fd7b2bc7fa3e2efe3d3ccff31b6f

So I have this massive dataset of basically drug effectiveness data. The data is confidential, but it looks kind of like my BEFORE image, except that I have a list of about 1000 items, each with one or multiple lot numbers. Each lot number is tested one or multiple times (exp1, exp2, etc), in duplicate each time (exp1.2, exp1.2).

I need to combine all the data for each item name onto one line (like the AFTER image), forgetting about the lot numbers, but it's essential to keep the experimental duplicates together. I've been doing it manually (not too often), but it's incredibly tedious and I'd much rather automate it with a formula if possible. I have made sure there are enough columns for the data to spill into, but the total number of experiments does sometimes go over 10.

I'm usually good with complex formulas (I play a bit of competitive Excel), but I'm a little lost on where to start with this puzzle, so I figured I'd ask here while I also start tinkering with it.

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