feature request: adding support for `stanmvreg` objects

# setup
library(rstanarm)
#> Loading required package: Rcpp
#> Registered S3 method overwritten by 'xts':
#>   method     from
#>   as.zoo.xts zoo
#> rstanarm (Version 2.18.2, packaged: 2018-11-08 22:19:38 UTC)
#> - Do not expect the default priors to remain the same in future rstanarm versions.
#> Thus, R scripts should specify priors explicitly, even if they are just the defaults.
#> - For execution on a local, multicore CPU with excess RAM we recommend calling
#> options(mc.cores = parallel::detectCores())
#> - Plotting theme set to bayesplot::theme_default().
library(insight)
data("pbcLong")

# model
m1 <- download_model("stanmvreg_1")

# tidier?
broom.mixed::tidy(m1)
#> Registered S3 method overwritten by 'broom.mixed':
#>   method      from 
#>   tidy.gamlss broom
#> Error in se.stanmvreg(x): Not currently implemented.

^{Created on 2019-08-18 by the reprex package (v0.3.0)}

Session info

``` r devtools::session_info() #> - Session info ---------------------------------------------------------- #> setting value #> version R version 3.6.1 (2019-07-05) #> os Windows 10 x64 #> system x86_64, mingw32 #> ui RTerm #> language (EN) #> collate English_United States.1252 #> ctype English_United States.1252 #> tz America/New_York #> date 2019-08-18 #> #> - Packages -------------------------------------------------------------- #> package * version date lib #> assertthat 0.2.1 2019-03-21 [1] #> backports 1.1.4 2019-04-10 [1] #> base64enc 0.1-3 2015-07-28 [1] #> bayesplot 1.7.0 2019-05-23 [1] #> boot 1.3-23 2019-07-05 [1] #> broom 0.5.2.9002 2019-08-15 [1] #> broom.mixed 0.2.4.9000 2019-08-07 [1] #> callr 3.3.1 2019-07-18 [1] #> cli 1.1.0 2019-03-19 [1] #> coda 0.19-3 2019-07-05 [1] #> codetools 0.2-16 2018-12-24 [1] #> colorspace 1.4-1 2019-03-18 [1] #> colourpicker 1.0 2017-09-27 [1] #> crayon 1.3.4 2017-09-16 [1] #> crosstalk 1.0.0 2016-12-21 [1] #> curl 4.0 2019-07-22 [1] #> desc 1.2.0 2019-04-03 [1] #> devtools 2.1.0 2019-07-06 [1] #> digest 0.6.20 2019-07-04 [1] #> dplyr 0.8.3 2019-07-04 [1] #> DT 0.8 2019-08-07 [1] #> dygraphs 1.1.1.6 2018-07-11 [1] #> evaluate 0.14 2019-05-28 [1] #> fs 1.3.1 2019-05-06 [1] #> generics 0.0.2 2019-03-05 [1] #> ggplot2 3.2.1 2019-08-10 [1] #> ggridges 0.5.1 2018-09-27 [1] #> glue 1.3.1 2019-03-12 [1] #> gridExtra 2.3 2017-09-09 [1] #> gtable 0.3.0 2019-03-25 [1] #> gtools 3.8.1 2018-06-26 [1] #> highr 0.8 2019-03-20 [1] #> htmltools 0.3.6 2017-04-28 [1] #> htmlwidgets 1.3 2018-09-30 [1] #> httpuv 1.5.1 2019-04-05 [1] #> httr 1.4.1 2019-08-05 [1] #> igraph 1.2.4.1 2019-04-22 [1] #> inline 0.3.15 2018-05-18 [1] #> insight * 0.4.1.9000 2019-08-18 [1] #> knitr 1.24 2019-08-08 [1] #> later 0.8.0 2019-02-11 [1] #> lattice 0.20-38 2018-11-04 [2] #> lazyeval 0.2.2 2019-03-15 [1] #> lifecycle 0.1.0 2019-08-01 [1] #> lme4 1.1-21 2019-03-05 [1] #> loo 2.1.0 2019-03-13 [1] #> magrittr 1.5 2014-11-22 [1] #> markdown 1.1 2019-08-07 [1] #> MASS 7.3-51.4 2019-03-31 [1] #> Matrix 1.2-17 2019-03-22 [1] #> matrixStats 0.54.0 2018-07-23 [1] #> memoise 1.1.0 2017-04-21 [1] #> mime 0.7 2019-06-11 [1] #> miniUI 0.1.1.1 2018-05-18 [1] #> minqa 1.2.4 2014-10-09 [1] #> munsell 0.5.0 2018-06-12 [1] #> nlme 3.1-140 2019-05-12 [2] #> nloptr 1.2.1 2018-10-03 [1] #> pillar 1.4.2 2019-06-29 [1] #> pkgbuild 1.0.4 2019-08-05 [1] #> pkgconfig 2.0.2 2018-08-16 [1] #> pkgload 1.0.2 2018-10-29 [1] #> plyr 1.8.4 2016-06-08 [1] #> prettyunits 1.0.2 2015-07-13 [1] #> processx 3.4.1 2019-07-18 [1] #> promises 1.0.1 2018-04-13 [1] #> ps 1.3.0 2018-12-21 [1] #> purrr 0.3.2 2019-03-15 [1] #> R6 2.4.0 2019-02-14 [1] #> Rcpp * 1.0.2 2019-07-25 [1] #> remotes 2.1.0 2019-06-24 [1] #> reshape2 1.4.3 2017-12-11 [1] #> rlang 0.4.0 2019-06-25 [1] #> rmarkdown 1.14.3 2019-08-02 [1] #> rprojroot 1.3-2 2018-01-03 [1] #> rsconnect 0.8.15 2019-07-22 [1] #> rstan 2.19.2 2019-07-09 [1] #> rstanarm * 2.18.2 2018-11-10 [1] #> rstantools 1.5.1 2018-08-22 [1] #> scales 1.0.0 2018-08-09 [1] #> sessioninfo 1.1.1 2018-11-05 [1] #> shiny 1.3.2 2019-04-22 [1] #> shinyjs 1.0 2018-01-08 [1] #> shinystan 2.5.0 2018-05-01 [1] #> shinythemes 1.1.2 2018-11-06 [1] #> StanHeaders 2.18.1-10 2019-06-14 [1] #> stringi 1.4.3 2019-03-12 [1] #> stringr 1.4.0 2019-02-10 [1] #> survival 2.44-1.1 2019-04-01 [2] #> testthat 2.2.1 2019-07-25 [1] #> threejs 0.3.1 2017-08-13 [1] #> tibble 2.1.3 2019-06-06 [1] #> tidyr 0.8.99.9000 2019-08-11 [1] #> tidyselect 0.2.5 2018-10-11 [1] #> TMB 1.7.15 2018-11-09 [1] #> usethis 1.5.1.9000 2019-07-27 [1] #> vctrs 0.2.0 2019-07-05 [1] #> withr 2.1.2 2018-03-15 [1] #> xfun 0.8 2019-06-25 [1] #> xtable 1.8-4 2019-04-21 [1] #> xts 0.11-2 2018-11-05 [1] #> yaml 2.2.0 2018-07-25 [1] #> zeallot 0.1.0 2018-01-28 [1] #> zoo 1.8-6 2019-05-28 [1] #> source #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> local #> Github (bbolker/broom.mixed@46f79ec) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.2) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.1) #> Github (r-lib/desc@c860e7b) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> Github (r-lib/generics@c15ac43) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.5.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.5.3) #> CRAN (R 3.5.1) #> local #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> Github (rstudio/rmarkdown@37bcb8f) #> CRAN (R 3.5.1) #> CRAN (R 3.6.1) #> CRAN (R 3.6.1) #> CRAN (R 3.5.2) #> CRAN (R 3.5.2) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.0) #> CRAN (R 3.6.1) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> Github (tidyverse/tidyr@908da2c) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> Github (r-lib/usethis@b241420) #> CRAN (R 3.6.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> CRAN (R 3.5.3) #> CRAN (R 3.6.0) #> CRAN (R 3.5.1) #> CRAN (R 3.5.1) #> CRAN (R 3.6.0) #> #> [1] C:/Users/inp099/Documents/R/win-library/3.6 #> [2] C:/Program Files/R/R-3.6.1/library ```

bbolker / broom.mixed

feature request: adding support for `stanmvreg` objects #77