·PLA

    Parallel Line Analysis & Relative Potency — Labreador

    Parallel Line Analysis

    v1.6.0
    Relative Potency
    Mode
    Analyze one Reference vs Test dataset.
    1

    Enter Reference & Test Data

    Fastest for data copied from a spreadsheet or plate reader.

    Reference

    Standard / known potency

    Points

    0

    Paste two columns: concentration   response. One replicate per row. Tab, comma, or space separated.

    Test

    Unknown / new batch

    Points

    0

    Paste two columns: concentration   response. One replicate per row. Tab, comma, or space separated.

    2

    Configure Fit Model

    Sigmoidal model

    Symmetric sigmoid — recommended default for most potency assays.

    Reference: 0/0 pts · Test: 0/0 pts
    Regression weighting

    Ordinary least squares — assumes constant variance across responses.