P0002.4

Calibration equation evolution

P0002.4 product shows calibration's equation evolution of each site/instrument. Each box plot displays the calibration equation's parameters : slope (a), intercept (b), application to the equation to a "medium" value (y = ax + b) and the root mean square error (RMS). The blue line give the tendency of a parameter for each calibration tank set (i.e. between two changes of one or more calibration tank).

Details:

• Data used: calibration data
• Y-axis: Parameter's value
• Points: each point show the the parameter's value for a given concentration sequence.
• Blue line: Linear fit, between two calibration tank changes.
• Vertical dotted line: Moment when at least one of the calibration tank has been connected or disconnected.
• Timeframe: all available data for the instrument/site couple
• Species: all species measured by the instrument. One "box plot" per species

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