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more informative error for incorrect object passed to mcmc() #543

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goldingn opened this issue Jul 26, 2022 · 3 comments · Fixed by #544
Closed

more informative error for incorrect object passed to mcmc() #543

goldingn opened this issue Jul 26, 2022 · 3 comments · Fixed by #544
Milestone
0.5.0

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@goldingn
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Like a noob, I passed a greta array straight to mcmc(), instead of creating a a model object and passing that:

x <- normal(0, 1)
mcmc(x)

I got an error message, as I should have. But it was an uninformative error message:

Error: $ operator is invalid for atomic vectors

whereas a message telling me that the object I passed in was not a greta model, and that I could create one with model() would have been more helpful.
@njtierney
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Here's a first pass:

library(greta)
#> 
#> Attaching package: 'greta'
#> The following objects are masked from 'package:stats':
#> 
#>     binomial, cov2cor, poisson
#> The following objects are masked from 'package:base':
#> 
#>     %*%, apply, backsolve, beta, chol2inv, colMeans, colSums, diag,
#>     eigen, forwardsolve, gamma, identity, rowMeans, rowSums, sweep,
#>     tapply
x <- normal(0,1)
#> ℹ Initialising python and checking dependencies, this may take a moment.
#> ✔ Initialising python and checking dependencies ... done!
#> 
greta:::check_if_greta_model(x)
#> Error: `x` must be a <greta_model>
#> But `x` is <greta_array/array>
mcmc(x)
#> Error: `x` must be a <greta_model>
#> But `x` is <greta_array/array>

Created on 2022-08-01 by the reprex package (v2.0.1)

Session info 
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.2.0 (2022-04-22)
#>  os       macOS Big Sur/Monterey 10.16
#>  system   x86_64, darwin17.0
#>  ui       X11
#>  language (EN)
#>  collate  en_AU.UTF-8
#>  ctype    en_AU.UTF-8
#>  tz       Australia/Perth
#>  date     2022-08-01
#>  pandoc   2.17.1.1 @ /Applications/RStudio.app/Contents/MacOS/quarto/bin/ (via rmarkdown)
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package     * version    date (UTC) lib source
#>  base64enc     0.1-3      2015-07-28 [1] CRAN (R 4.2.0)
#>  callr         3.7.1      2022-07-13 [1] CRAN (R 4.2.0)
#>  cli           3.3.0      2022-04-25 [1] CRAN (R 4.2.0)
#>  coda          0.19-4     2020-09-30 [1] CRAN (R 4.2.0)
#>  codetools     0.2-18     2020-11-04 [1] CRAN (R 4.2.0)
#>  crayon        1.5.1      2022-03-26 [1] CRAN (R 4.2.0)
#>  digest        0.6.29     2021-12-01 [1] CRAN (R 4.2.0)
#>  ellipsis      0.3.2      2021-04-29 [1] CRAN (R 4.2.0)
#>  evaluate      0.15       2022-02-18 [1] CRAN (R 4.2.0)
#>  fansi         1.0.3      2022-03-24 [1] CRAN (R 4.2.0)
#>  fastmap       1.1.0      2021-01-25 [1] CRAN (R 4.2.0)
#>  fs            1.5.2      2021-12-08 [1] CRAN (R 4.2.0)
#>  future        1.26.1     2022-05-27 [1] CRAN (R 4.2.0)
#>  globals       0.15.1     2022-06-24 [1] CRAN (R 4.2.0)
#>  glue          1.6.2      2022-02-24 [1] CRAN (R 4.2.0)
#>  greta       * 0.4.2.9000 2022-08-01 [1] local
#>  here          1.0.1      2020-12-13 [1] CRAN (R 4.2.0)
#>  highr         0.9        2021-04-16 [1] CRAN (R 4.2.0)
#>  hms           1.1.1      2021-09-26 [1] CRAN (R 4.2.0)
#>  htmltools     0.5.3      2022-07-18 [1] CRAN (R 4.2.0)
#>  jsonlite      1.8.0      2022-02-22 [1] CRAN (R 4.2.0)
#>  knitr         1.39       2022-04-26 [1] CRAN (R 4.2.0)
#>  lattice       0.20-45    2021-09-22 [1] CRAN (R 4.2.0)
#>  lifecycle     1.0.1      2021-09-24 [1] CRAN (R 4.2.0)
#>  listenv       0.8.0      2019-12-05 [1] CRAN (R 4.2.0)
#>  magrittr      2.0.3      2022-03-30 [1] CRAN (R 4.2.0)
#>  Matrix        1.4-1      2022-03-23 [1] CRAN (R 4.2.0)
#>  parallelly    1.32.0     2022-06-07 [1] CRAN (R 4.2.0)
#>  pillar        1.8.0      2022-07-18 [1] CRAN (R 4.2.0)
#>  pkgconfig     2.0.3      2019-09-22 [1] CRAN (R 4.2.0)
#>  png           0.1-7      2013-12-03 [1] CRAN (R 4.2.0)
#>  prettyunits   1.1.1      2020-01-24 [1] CRAN (R 4.2.0)
#>  processx      3.7.0      2022-07-07 [1] CRAN (R 4.2.0)
#>  progress      1.2.2      2019-05-16 [1] CRAN (R 4.2.0)
#>  ps            1.7.1      2022-06-18 [1] CRAN (R 4.2.0)
#>  purrr         0.3.4      2020-04-17 [1] CRAN (R 4.2.0)
#>  R.cache       0.16.0     2022-07-21 [1] CRAN (R 4.2.0)
#>  R.methodsS3   1.8.2      2022-06-13 [1] CRAN (R 4.2.0)
#>  R.oo          1.25.0     2022-06-12 [1] CRAN (R 4.2.0)
#>  R.utils       2.12.0     2022-06-28 [1] CRAN (R 4.2.0)
#>  R6            2.5.1      2021-08-19 [1] CRAN (R 4.2.0)
#>  Rcpp          1.0.9      2022-07-08 [1] CRAN (R 4.2.0)
#>  reprex        2.0.1      2021-08-05 [1] CRAN (R 4.2.0)
#>  reticulate    1.25       2022-05-11 [1] CRAN (R 4.2.0)
#>  rlang         1.0.4      2022-07-12 [1] CRAN (R 4.2.0)
#>  rmarkdown     2.14       2022-04-25 [1] CRAN (R 4.2.0)
#>  rprojroot     2.0.3      2022-04-02 [1] CRAN (R 4.2.0)
#>  rstudioapi    0.13       2020-11-12 [1] CRAN (R 4.2.0)
#>  sessioninfo   1.2.2      2021-12-06 [1] CRAN (R 4.2.0)
#>  stringi       1.7.8      2022-07-11 [1] CRAN (R 4.2.0)
#>  stringr       1.4.0      2019-02-10 [1] CRAN (R 4.2.0)
#>  styler        1.7.0      2022-03-13 [1] CRAN (R 4.2.0)
#>  tensorflow    2.9.0      2022-05-21 [1] CRAN (R 4.2.0)
#>  tfruns        1.5.0      2021-02-26 [1] CRAN (R 4.2.0)
#>  tibble        3.1.7      2022-05-03 [1] CRAN (R 4.2.0)
#>  utf8          1.2.2      2021-07-24 [1] CRAN (R 4.2.0)
#>  vctrs         0.4.1      2022-04-13 [1] CRAN (R 4.2.0)
#>  whisker       0.4        2019-08-28 [1] CRAN (R 4.2.0)
#>  withr         2.5.0      2022-03-03 [1] CRAN (R 4.2.0)
#>  xfun          0.31       2022-05-10 [1] CRAN (R 4.2.0)
#>  yaml          2.3.5      2022-02-21 [1] CRAN (R 4.2.0)
#> 
#>  [1] /Library/Frameworks/R.framework/Versions/4.2/Resources/library
#> 
#> ─ Python configuration ───────────────────────────────────────────────────────
#>  python:         /Users/njtierney/Library/r-miniconda/envs/greta-env/bin/python
#>  libpython:      /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/libpython3.7m.dylib
#>  pythonhome:     /Users/njtierney/Library/r-miniconda/envs/greta-env:/Users/njtierney/Library/r-miniconda/envs/greta-env
#>  version:        3.7.12 | packaged by conda-forge | (default, Oct 26 2021, 05:59:23)  [Clang 11.1.0 ]
#>  numpy:          /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/numpy
#>  numpy_version:  1.16.4
#>  tensorflow:     /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/tensorflow
#>  
#>  NOTE: Python version was forced by use_python function
#> 
#> ──────────────────────────────────────────────────────────────────────────────

Although I could probably have something more bespoke for the mcmc check, to give the user more directions on how to convert greta arrays into models

njtierney added a commit to njtierney/greta that referenced this issue Aug 1, 2022
@njtierney
working on greta-dev#543
a13a99e
@njtierney njtierney mentioned this issue Aug 1, 2022
Merged
@njtierney
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Here's a second pass.

library(greta)
#> 
#> Attaching package: 'greta'
#> The following objects are masked from 'package:stats':
#> 
#>     binomial, cov2cor, poisson
#> The following objects are masked from 'package:base':
#> 
#>     %*%, apply, backsolve, beta, chol2inv, colMeans, colSums, diag,
#>     eigen, forwardsolve, gamma, identity, rowMeans, rowSums, sweep,
#>     tapply
my_array <- normal(0,1)
#> ℹ Initialising python and checking dependencies, this may take a moment.
#> ✔ Initialising python and checking dependencies ... done!
#> 
greta:::check_if_greta_model(my_array)
#> Error: `x` must be a <greta_model>
#> But `x` is <greta_array/array>
greta:::check_if_greta_array_in_mcmc(my_array)
#> Error: `x` is a <greta_array> but must be a <greta_model>
#> You can convert `x` into a <greta_model> by running:
#> `` model(`x`) ``
mcmc(my_array)
#> Error: `x` is a <greta_array> but must be a <greta_model>
#> You can convert `x` into a <greta_model> by running:
#> `` model(`x`) ``

Created on 2022-08-01 by the reprex package (v2.0.1)

Session info 
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.2.0 (2022-04-22)
#>  os       macOS Big Sur/Monterey 10.16
#>  system   x86_64, darwin17.0
#>  ui       X11
#>  language (EN)
#>  collate  en_AU.UTF-8
#>  ctype    en_AU.UTF-8
#>  tz       Australia/Perth
#>  date     2022-08-01
#>  pandoc   2.17.1.1 @ /Applications/RStudio.app/Contents/MacOS/quarto/bin/ (via rmarkdown)
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package     * version    date (UTC) lib source
#>  base64enc     0.1-3      2015-07-28 [1] CRAN (R 4.2.0)
#>  callr         3.7.1      2022-07-13 [1] CRAN (R 4.2.0)
#>  cli           3.3.0      2022-04-25 [1] CRAN (R 4.2.0)
#>  coda          0.19-4     2020-09-30 [1] CRAN (R 4.2.0)
#>  codetools     0.2-18     2020-11-04 [1] CRAN (R 4.2.0)
#>  crayon        1.5.1      2022-03-26 [1] CRAN (R 4.2.0)
#>  digest        0.6.29     2021-12-01 [1] CRAN (R 4.2.0)
#>  ellipsis      0.3.2      2021-04-29 [1] CRAN (R 4.2.0)
#>  evaluate      0.15       2022-02-18 [1] CRAN (R 4.2.0)
#>  fansi         1.0.3      2022-03-24 [1] CRAN (R 4.2.0)
#>  fastmap       1.1.0      2021-01-25 [1] CRAN (R 4.2.0)
#>  fs            1.5.2      2021-12-08 [1] CRAN (R 4.2.0)
#>  future        1.26.1     2022-05-27 [1] CRAN (R 4.2.0)
#>  globals       0.15.1     2022-06-24 [1] CRAN (R 4.2.0)
#>  glue          1.6.2      2022-02-24 [1] CRAN (R 4.2.0)
#>  greta       * 0.4.2.9000 2022-08-01 [1] local
#>  here          1.0.1      2020-12-13 [1] CRAN (R 4.2.0)
#>  highr         0.9        2021-04-16 [1] CRAN (R 4.2.0)
#>  hms           1.1.1      2021-09-26 [1] CRAN (R 4.2.0)
#>  htmltools     0.5.3      2022-07-18 [1] CRAN (R 4.2.0)
#>  jsonlite      1.8.0      2022-02-22 [1] CRAN (R 4.2.0)
#>  knitr         1.39       2022-04-26 [1] CRAN (R 4.2.0)
#>  lattice       0.20-45    2021-09-22 [1] CRAN (R 4.2.0)
#>  lifecycle     1.0.1      2021-09-24 [1] CRAN (R 4.2.0)
#>  listenv       0.8.0      2019-12-05 [1] CRAN (R 4.2.0)
#>  magrittr      2.0.3      2022-03-30 [1] CRAN (R 4.2.0)
#>  Matrix        1.4-1      2022-03-23 [1] CRAN (R 4.2.0)
#>  parallelly    1.32.0     2022-06-07 [1] CRAN (R 4.2.0)
#>  pillar        1.8.0      2022-07-18 [1] CRAN (R 4.2.0)
#>  pkgconfig     2.0.3      2019-09-22 [1] CRAN (R 4.2.0)
#>  png           0.1-7      2013-12-03 [1] CRAN (R 4.2.0)
#>  prettyunits   1.1.1      2020-01-24 [1] CRAN (R 4.2.0)
#>  processx      3.7.0      2022-07-07 [1] CRAN (R 4.2.0)
#>  progress      1.2.2      2019-05-16 [1] CRAN (R 4.2.0)
#>  ps            1.7.1      2022-06-18 [1] CRAN (R 4.2.0)
#>  purrr         0.3.4      2020-04-17 [1] CRAN (R 4.2.0)
#>  R.cache       0.16.0     2022-07-21 [1] CRAN (R 4.2.0)
#>  R.methodsS3   1.8.2      2022-06-13 [1] CRAN (R 4.2.0)
#>  R.oo          1.25.0     2022-06-12 [1] CRAN (R 4.2.0)
#>  R.utils       2.12.0     2022-06-28 [1] CRAN (R 4.2.0)
#>  R6            2.5.1      2021-08-19 [1] CRAN (R 4.2.0)
#>  Rcpp          1.0.9      2022-07-08 [1] CRAN (R 4.2.0)
#>  reprex        2.0.1      2021-08-05 [1] CRAN (R 4.2.0)
#>  reticulate    1.25       2022-05-11 [1] CRAN (R 4.2.0)
#>  rlang         1.0.4      2022-07-12 [1] CRAN (R 4.2.0)
#>  rmarkdown     2.14       2022-04-25 [1] CRAN (R 4.2.0)
#>  rprojroot     2.0.3      2022-04-02 [1] CRAN (R 4.2.0)
#>  rstudioapi    0.13       2020-11-12 [1] CRAN (R 4.2.0)
#>  sessioninfo   1.2.2      2021-12-06 [1] CRAN (R 4.2.0)
#>  stringi       1.7.8      2022-07-11 [1] CRAN (R 4.2.0)
#>  stringr       1.4.0      2019-02-10 [1] CRAN (R 4.2.0)
#>  styler        1.7.0      2022-03-13 [1] CRAN (R 4.2.0)
#>  tensorflow    2.9.0      2022-05-21 [1] CRAN (R 4.2.0)
#>  tfruns        1.5.0      2021-02-26 [1] CRAN (R 4.2.0)
#>  tibble        3.1.7      2022-05-03 [1] CRAN (R 4.2.0)
#>  utf8          1.2.2      2021-07-24 [1] CRAN (R 4.2.0)
#>  vctrs         0.4.1      2022-04-13 [1] CRAN (R 4.2.0)
#>  whisker       0.4        2019-08-28 [1] CRAN (R 4.2.0)
#>  withr         2.5.0      2022-03-03 [1] CRAN (R 4.2.0)
#>  xfun          0.31       2022-05-10 [1] CRAN (R 4.2.0)
#>  yaml          2.3.5      2022-02-21 [1] CRAN (R 4.2.0)
#> 
#>  [1] /Library/Frameworks/R.framework/Versions/4.2/Resources/library
#> 
#> ─ Python configuration ───────────────────────────────────────────────────────
#>  python:         /Users/njtierney/Library/r-miniconda/envs/greta-env/bin/python
#>  libpython:      /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/libpython3.7m.dylib
#>  pythonhome:     /Users/njtierney/Library/r-miniconda/envs/greta-env:/Users/njtierney/Library/r-miniconda/envs/greta-env
#>  version:        3.7.12 | packaged by conda-forge | (default, Oct 26 2021, 05:59:23)  [Clang 11.1.0 ]
#>  numpy:          /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/numpy
#>  numpy_version:  1.16.4
#>  tensorflow:     /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/tensorflow
#>  
#>  NOTE: Python version was forced by use_python function
#> 
#> ──────────────────────────────────────────────────────────────────────────────

I'd prefer it if R grabbed the object name - in this case, my_array, rather than x, but I'm not sure if that's particularly hard to do.

@njtierney njtierney mentioned this issue Aug 9, 2022
Open
@njtierney njtierney added this to the 0.5.0 milestone Aug 10, 2022
@njtierney
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library(greta)
#> 
#> Attaching package: 'greta'
#> The following objects are masked from 'package:stats':
#> 
#>     binomial, cov2cor, poisson
#> The following objects are masked from 'package:base':
#> 
#>     %*%, apply, backsolve, beta, chol2inv, colMeans, colSums, diag,
#>     eigen, forwardsolve, gamma, identity, rowMeans, rowSums, sweep,
#>     tapply
x <- normal(0,1)
#> ℹ Initialising python and checking dependencies, this may take a moment.
#> ✔ Initialising python and checking dependencies ... done!
#> 
mcmc(x)
#> Error: MCMC requires input to be a <greta_model> not a <greta_array>
#> ✖ `x` is a <greta_array> not a <greta_model>
#> ℹ You can convert `x` into a <greta_model> by running:
#> `model(x)`

Created on 2022-09-02 by the reprex package (v2.0.1)

Session info 
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.2.0 (2022-04-22)
#>  os       macOS Big Sur/Monterey 10.16
#>  system   x86_64, darwin17.0
#>  ui       X11
#>  language (EN)
#>  collate  en_AU.UTF-8
#>  ctype    en_AU.UTF-8
#>  tz       Australia/Perth
#>  date     2022-09-02
#>  pandoc   2.17.1.1 @ /Applications/RStudio.app/Contents/MacOS/quarto/bin/ (via rmarkdown)
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package     * version    date (UTC) lib source
#>  base64enc     0.1-3      2015-07-28 [1] CRAN (R 4.2.0)
#>  callr         3.7.1      2022-07-13 [1] CRAN (R 4.2.0)
#>  cli           3.3.0      2022-04-25 [1] CRAN (R 4.2.0)
#>  coda          0.19-4     2020-09-30 [1] CRAN (R 4.2.0)
#>  codetools     0.2-18     2020-11-04 [1] CRAN (R 4.2.0)
#>  crayon        1.5.1      2022-03-26 [1] CRAN (R 4.2.0)
#>  digest        0.6.29     2021-12-01 [1] CRAN (R 4.2.0)
#>  ellipsis      0.3.2      2021-04-29 [1] CRAN (R 4.2.0)
#>  evaluate      0.15       2022-02-18 [1] CRAN (R 4.2.0)
#>  fansi         1.0.3      2022-03-24 [1] CRAN (R 4.2.0)
#>  fastmap       1.1.0      2021-01-25 [1] CRAN (R 4.2.0)
#>  fs            1.5.2      2021-12-08 [1] CRAN (R 4.2.0)
#>  future        1.26.1     2022-05-27 [1] CRAN (R 4.2.0)
#>  globals       0.15.1     2022-06-24 [1] CRAN (R 4.2.0)
#>  glue          1.6.2      2022-02-24 [1] CRAN (R 4.2.0)
#>  greta       * 0.4.2.9000 2022-09-02 [1] local
#>  here          1.0.1      2020-12-13 [1] CRAN (R 4.2.0)
#>  highr         0.9        2021-04-16 [1] CRAN (R 4.2.0)
#>  hms           1.1.1      2021-09-26 [1] CRAN (R 4.2.0)
#>  htmltools     0.5.3      2022-07-18 [1] CRAN (R 4.2.0)
#>  jsonlite      1.8.0      2022-02-22 [1] CRAN (R 4.2.0)
#>  knitr         1.39       2022-04-26 [1] CRAN (R 4.2.0)
#>  lattice       0.20-45    2021-09-22 [1] CRAN (R 4.2.0)
#>  lifecycle     1.0.1      2021-09-24 [1] CRAN (R 4.2.0)
#>  listenv       0.8.0      2019-12-05 [1] CRAN (R 4.2.0)
#>  magrittr      2.0.3      2022-03-30 [1] CRAN (R 4.2.0)
#>  Matrix        1.4-1      2022-03-23 [1] CRAN (R 4.2.0)
#>  parallelly    1.32.0     2022-06-07 [1] CRAN (R 4.2.0)
#>  pillar        1.8.0      2022-07-18 [1] CRAN (R 4.2.0)
#>  pkgconfig     2.0.3      2019-09-22 [1] CRAN (R 4.2.0)
#>  png           0.1-7      2013-12-03 [1] CRAN (R 4.2.0)
#>  prettyunits   1.1.1      2020-01-24 [1] CRAN (R 4.2.0)
#>  processx      3.7.0      2022-07-07 [1] CRAN (R 4.2.0)
#>  progress      1.2.2      2019-05-16 [1] CRAN (R 4.2.0)
#>  ps            1.7.1      2022-06-18 [1] CRAN (R 4.2.0)
#>  purrr         0.3.4      2020-04-17 [1] CRAN (R 4.2.0)
#>  R.cache       0.16.0     2022-07-21 [1] CRAN (R 4.2.0)
#>  R.methodsS3   1.8.2      2022-06-13 [1] CRAN (R 4.2.0)
#>  R.oo          1.25.0     2022-06-12 [1] CRAN (R 4.2.0)
#>  R.utils       2.12.0     2022-06-28 [1] CRAN (R 4.2.0)
#>  R6            2.5.1      2021-08-19 [1] CRAN (R 4.2.0)
#>  Rcpp          1.0.9      2022-07-08 [1] CRAN (R 4.2.0)
#>  reprex        2.0.1      2021-08-05 [1] CRAN (R 4.2.0)
#>  reticulate    1.25       2022-05-11 [1] CRAN (R 4.2.0)
#>  rlang         1.0.4      2022-07-12 [1] CRAN (R 4.2.0)
#>  rmarkdown     2.14       2022-04-25 [1] CRAN (R 4.2.0)
#>  rprojroot     2.0.3      2022-04-02 [1] CRAN (R 4.2.0)
#>  rstudioapi    0.13       2020-11-12 [1] CRAN (R 4.2.0)
#>  sessioninfo   1.2.2      2021-12-06 [1] CRAN (R 4.2.0)
#>  stringi       1.7.8      2022-07-11 [1] CRAN (R 4.2.0)
#>  stringr       1.4.0      2019-02-10 [1] CRAN (R 4.2.0)
#>  styler        1.7.0      2022-03-13 [1] CRAN (R 4.2.0)
#>  tensorflow    2.9.0      2022-05-21 [1] CRAN (R 4.2.0)
#>  tfruns        1.5.0      2021-02-26 [1] CRAN (R 4.2.0)
#>  tibble        3.1.7      2022-05-03 [1] CRAN (R 4.2.0)
#>  utf8          1.2.2      2021-07-24 [1] CRAN (R 4.2.0)
#>  vctrs         0.4.1      2022-04-13 [1] CRAN (R 4.2.0)
#>  whisker       0.4        2019-08-28 [1] CRAN (R 4.2.0)
#>  withr         2.5.0      2022-03-03 [1] CRAN (R 4.2.0)
#>  xfun          0.31       2022-05-10 [1] CRAN (R 4.2.0)
#>  yaml          2.3.5      2022-02-21 [1] CRAN (R 4.2.0)
#> 
#>  [1] /Library/Frameworks/R.framework/Versions/4.2/Resources/library
#> 
#> ─ Python configuration ───────────────────────────────────────────────────────
#>  python:         /Users/njtierney/Library/r-miniconda/envs/greta-env/bin/python
#>  libpython:      /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/libpython3.7m.dylib
#>  pythonhome:     /Users/njtierney/Library/r-miniconda/envs/greta-env:/Users/njtierney/Library/r-miniconda/envs/greta-env
#>  version:        3.7.12 | packaged by conda-forge | (default, Oct 26 2021, 05:59:23)  [Clang 11.1.0 ]
#>  numpy:          /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/numpy
#>  numpy_version:  1.16.4
#>  tensorflow:     /Users/njtierney/Library/r-miniconda/envs/greta-env/lib/python3.7/site-packages/tensorflow
#>  
#>  NOTE: Python version was forced by use_python function
#> 
#> ──────────────────────────────────────────────────────────────────────────────

@njtierney njtierney moved this from Backlog to Done in {greta} CRAN 0.5.0 release Jul 29, 2024
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{greta} CRAN 0.5.0 release
Status: Done
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0.5.0
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Informatively error when greta array given to mcmc njtierney/greta
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@goldingn @njtierney