About: logistic-log curve fitting   Goto Sponge  NotDistinct  Permalink

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type
label
  • logistic-log curve fitting
subClassOf
described by
term editor
  • James Malone
  • Melanie Courtot
  • Elisabetta Manduchi
  • Ryan Brinkman
example of usage
  • Typically used in an enzyme-linked immunosorbent assay (ELISA) to model the relationship between optical density (OD) and dilution. In this case a and d correspond to the theoretical OD of the assay at zero and infinite concentrations, respectively; c is the dilution associated with the point of symmetry of the sigmoid and is located at the midpoint of the assay found at the inflection point of the curve; b is a curvature parameter and is related to the slope of the curve.
definition
  • A logistic-log curve fitting is a curve fitting where a curve of the form y=d+((a-d)/(1+(x/c)^b)) is obtained, where a, b, c, and d are determined so to optimize its fit to the input data points (x_1, y_1), (x_2, y_2), ..., (x_n, y_n).
definition source
  • ARTICLE: Plikaytis B.D. et al. (1991), J. Clin. Microbiol. 29(7): 1439-1448
editor preferred term
  • logistic-log curve fitting
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