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FREE · LOCAL ANALYSIS

Z′-factor Assay QC

Positive/negative controls · CV · signal window · Z′

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ADVANCED ANALYSIS · RUO

Z′-factor Assay QC

Positive/negative controls · CV · signal window · Z′

Calculated locally in this browser

Column order: control_positive_or_negative, value

Editable data table
control_positive_or_negativevalue
Paste CSV / TSV

Analysis result

Z′-factor0.8799
Signal window1.905
Positive CV2.425%
Negative CV12.05%
ControlNMeanSDCV %
Positive42.1120.051232.425
Negative40.20750.02512.05

Z′ summarizes control separation and variability but is not a universal pass/fail rule; interpret it with assay purpose, effect size and hit-selection strategy.

Research use only. Validate raw data, exclusions and interpretation against the approved analysis plan.

INPUT FORMAT

Data requirements

Enter positive or negative control label and replicate value.

control_positive_or_negative, value
INTERPRETATION

Review before reporting

Research use only. Validate raw data, exclusions and interpretation against the approved analysis plan.

Check raw observations, excluded rows, model assumptions and study-specific acceptance criteria before using the result.

METHOD

Transparent analysis

Inputs are processed locally in your browser. Review the calculation policy, limitations and verification approach before reporting a result.

Read the methodology →