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Can I trust this data? — Data quality analyses | MCP Analytics
Question

Can I trust this data?

Compare two groups? Find what drives an outcome? Spot a trend? The question decides the statistics — get this wrong and everything downstream is wrong too. More are in build.

How we actually do it

See it on real data

Acceptance Sampling Plans — sample report Open full report →

That is the actual report this analysis produces — not a mock-up. Every analysis on this page delivers the same shape of output on your own data.

Data quality

Every analysis classified under this question.

Acceptance Sampling Plans

Should I accept this lot?

One row per person or thingManufacturing & Quality

Anomaly detection (v2)

Library tool, v2: robust Mahalanobis anomaly detection across two to eight measures, each flag explained by its most extreme measure or

One thing measured over time

Benford's Law Screening

Do these numbers look fabricated or manipulated?

Orders, baskets or eventsFinance & Banking

Correlation (v2)

Library tool, v2: pairwise Pearson (or Spearman) correlation across two to eight numeric measures with a 95% interval and p-value per p

One row per person or thing

Data profile (v2)

Library tool, v2: a profile of every mapped column. Its type read from the values, how much is filled, how many distinct values and the

One row per person or thing

Normality & Outlier Screening

Is my data normal, and are there outliers?

One row per person or thing

Distribution Fitting

What distribution does my data follow? Fit and compare candidate distributions with goodness-of-fit tests.

One row per person or thing

Intraclass correlation (v2)

Library tool, v2: the intraclass correlation family (ICC(1), ICC(2), ICC(3) and their average-of-raters forms) with intervals and bands

Groups inside groups

McNemar Test: Paired Proportions

Standard-library analysis: when the same cases are judged twice (two reviewers, two diagnostic tests, before vs after on the same subje

Before and after, same subject

Missing Data Audit

How bad is my missing data and does it bias my results? Missingness patterns, MCAR checks, imputation impact.

One row per person or thing

Scale Reliability (Cronbach's Alpha)

Is my survey scale reliable?

One row per person or thing
Coming soon

Gauge R&R — Measurement System

How much variance is the measurement system itself.

Groups inside groupsManufacturing & Quality