Feature
Compare Signals
Signal Correlation Compare lets you overlay two signals in Insights and inspect how their patterns move across the same date range. It supports comparison mode, date-range switching, and deep-linkable compare views.
Omar's energy was all over the place, and he couldn't tell whether his sleep had anything to do with it. He overlaid the two in compare mode and watched the dips land a day or two after his worst sleep stretches. That turned a hunch into a specific thing he could test.
Why it matters
Insight quality improves when users can test relationships instead of guessing from memory. Side-by-side signal comparison helps users explore pattern alignment and timing before making adjustments.
How Diorama uses this
Open any signal and switch to Compare mode. Choose a second signal and inspect aligned data points across 7, 30, or 60-day windows. Open preconfigured compare views from deep links with signal, compare target, and range parameters.
What you can do
Compare mode helps you move beyond single-signal interpretation by placing two trends on the same timeline. You can inspect values by date, switch windows, and explore whether shape changes appear aligned.
The chart adapts to signal type combinations and includes accessibility summaries so important changes remain understandable beyond pure visual inspection.
Deep-link support also allows Diorama to open specific comparison contexts directly, which is useful for guided workflows and shared support paths.
Notes and limitations
Visual alignment is designed for exploratory pattern reading, not statistical proof. It is best used as a decision-support view, not a diagnostic tool.
When two signals have few overlapping entries, compare mode may show limited or empty output even if each signal has history on its own.
The science
Laying two time series over each other is the cheapest version of a hypothesis test. Seeing the lines move together — or lag each other — beats trying to hold both patterns in memory, and you don't need statistics to notice a relationship that keeps repeating.
Limitations
Compare mode is descriptive and does not claim causality. Cross-unit signals are normalized for readability, so visual shape is more meaningful than raw magnitude. Sparse overlap between two signals can still produce empty compare states.
Better decisions start with a sharper question. Once you can compare two patterns directly, change stops looking like random noise and starts looking like something you can poke at.
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