Interpolation and Extrapolation for Species Diversity

Provides simple functions to compute and plot two types (sample-size- and coverage-based) rarefaction and extrapolation of species diversity (Hill numbers) for individual-based (abundance) data or sampling-unit- based (incidence) data. (Hsieh, Ma and Chao 2014) .


iNEXT 2.0.12

  • Fixes vignettes error for ggplot2 update.
  • Adds argument conf for estimateD function.
  • Fixes issue #12, 13

iNEXT 2.0.13

  • Fixes the plot display NA in the legend (After ggplot2 was updated to version 2.2.0)

iNEXT 2.0.14

  • Fixes the warning message for EstiBootComm.Ind and EstiBootComm.Sam.

iNEXT 2.0.15

  • Modify the incidence case to make it consistent with abundance case.

iNEXT 2.0.16

  • Modify the BootstrapFun for oddly warning message (issue #31).

iNEXT 2.0.17

  • Modify Error in duplicated levels/labels (issue #25).

iNEXT 2.0.18

  • Update ggiNEXT.R (Fix legend problem of ggiNEXT).

iNEXT 2.0.19

  • Modified Dqhat.Ind and Dqhat.Sam to make them more efficient.

Reference manual

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2.0.20 by T. C. Hsieh, 2 years ago

Report a bug at

Browse source code at

Authors: T. C. Hsieh , K. H. Ma and Anne Chao

Documentation:   PDF Manual  

GPL (>= 3) license

Imports stats, graphics, ggplot2, reshape2

Suggests testthat, knitr, rmarkdown, gridExtra, ggthemes

See at CRAN