Discussions

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  Link-scale vs. response-scale standard errors for prediction uncertainty in presence/absence models?

  markamct asked Feb 27, 2026 in Q&A · Unanswered

  

  

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  Large CVs across space

  Nathan-Hebert asked Feb 19, 2026 in Q&A · Unanswered

  

  

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  Retrospective analysis for sdmTMB indices

  MikkoVihtakari started Feb 12, 2026 in Ideas

  

  

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  Units of prediction and index output

  seananderson asked Feb 18, 2026 in Q&A · Unanswered

  

  

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  Residuals for delta models with Poisson link

  m-gudin asked Feb 11, 2026 in Q&A · Unanswered

  

  

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  plotting marginal effects for delta negative binomial models

  mad-abbott asked Jul 7, 2025 in Q&A · Unanswered

  

  

  

  

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  question about re_form in the predict function

  scottgol asked Feb 10, 2026 in Q&A · Answered

  

  

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  Dispersion formula similar to glmmTMB's 'dispformula'?

  kevintshoemaker asked Jan 7, 2026 in Q&A · Answered

  

  

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  Delta model prediction

  sdowd20 asked Jan 5, 2026 in Q&A · Answered

  

  

  

  

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  Why is get_cog crashing?

  ericward-noaa asked Jan 9, 2026 in Q&A · Unanswered

  

  

  

  

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  Error in if (all(Dphi.random == 0)) { : missing value where TRUE/FALSE needed

  sdowd20 asked Oct 23, 2025 in Q&A · Unanswered

  

  

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  Error in stats::nlminb(start = tmb_obj$par, objective = tmb_obj$fn, gradient = tmb_obj$gr, : NA/NaN gradient evaluation

  Thom-Teears asked Dec 24, 2025 in Q&A · Unanswered

  

  

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  Size class indices and combined index

  Nathan-Hebert asked Dec 22, 2025 in Q&A · Answered

  

  

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  Prediction grid for combined sampling programs in a single standardized index of relative abundance

  MZink06 asked Dec 9, 2025 in Q&A · Answered

  

  

  

  

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  Calculating deviance explained on left-out data with cross validation

  seananderson asked Nov 17, 2025 in Q&A · Unanswered

  

  

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  Cross validation (sdmTMB_cv) for IWLR and DWPR presence-only models

  NathanViel asked Nov 7, 2025 in Q&A · Answered

  

  

  

  

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  Spatially varying coefficient and observation error

  lamonica-d asked Oct 31, 2025 in Q&A · Answered

  

  

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  sdmTMB R-squared and mesh configuration

  seananderson asked Oct 29, 2025 in Q&A · Answered

  

  

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  Does emmeans work with delta models?

  sutjo asked Aug 15, 2023 in Q&A · Answered

  

  

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  Using "mle-mvn" vs "mle-eb" residuals to assess residual spatial autocorrelation

  xingli-giam asked Oct 16, 2025 in Q&A · Unanswered

  

  

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  example of openBLAS speeding up models?

  James-Thorson-NOAA asked Sep 23, 2024 in Q&A · Unanswered

  

  

  

  

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  Deviance explained for negative binomial models

  Joseph-Barss started Sep 18, 2025 in General

  

  

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  Magnitude of spatial sd

  FisheryScience89 asked Jul 4, 2025 in Q&A · Unanswered

  

  

  

  

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  Help with post-prediction outputs

  sdowd20 asked Aug 8, 2025 in Q&A · Answered

  

  

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  Categorical predictors and conditional effect plots

  Nathan-Hebert asked Aug 11, 2025 in Q&A · Answered

  

  

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