The Culture Indexby CEA

Studio · First-party correlation

Your numbers, against culture signal

Upload a daily CSV of revenue, sign-ups or units. We align it to an entity's composite and scan every lag from 0 to 28 days where the culture signal leads your metric.

Upload series

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CSV only, max 2 MB and 5,000 rows. Required columns after mapping: date and value. Optional: metric_name, spend, channel. Validation runs server-side and names the failing row.

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Lag scan

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Pearson correlation at every lag 0–28 days, returned with the full lag curve, best lag, r, n and a p value.

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What we do with your data

  • Rows are written under your own account and restricted to you by row-level security.
  • No other user and no anonymous visitor can read a byte of it.
  • It is never used to train anything.
  • It is deletable by you at any time from your account.

Read this before acting

This is a correlation between two time series, not evidence that one causes the other. Both may be driven by seasonality, a campaign already in market, or an unrelated third factor. Correlations found by scanning many lags overfit easily. Treat a result as directional only when the relationship holds across multiple entities, survives a holdout period, and matches something you can explain.

Additional rules

n under 30 renders muted and labelled LOW CONFIDENCE, SMALL SAMPLE. A best lag at the edge of the scan range, 0 or 28, is flagged as likely spurious.

The product reports the relationship. It will never render a recommended spend number.