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This function replicates counts from a real-world dataset.

Usage

sccomp_predict(
  fit,
  formula_composition = NULL,
  new_data = NULL,
  number_of_draws = 500,
  mcmc_seed = sample_seed(),
  summary_instead_of_draws = TRUE,
  robust = FALSE
)

Arguments

fit

The result of sccomp_estimate.

formula_composition

A formula. The formula describing the model for differential abundance, for example ~treatment. This formula can be a sub-formula of your estimated model; in this case all other factor will be factored out.

new_data

A sample-wise data frame including the column that represent the factors in your formula. If you want to predict proportions for 10 samples, there should be 10 rows. T

number_of_draws

An integer. How may copies of the data you want to draw from the model joint posterior distribution.

mcmc_seed

An integer. Used for Markov-chain Monte Carlo reproducibility. By default a random number is sampled from 1 to 999999. This itself can be controlled by set.seed()

summary_instead_of_draws

Return the summary values (i.e. mean and quantiles) of the predicted proportions, or return single draws. Single draws can be helful to better analyse the uncertainty of the prediction.

robust

A logical. If TRUE, use robust statistics (median and median absolute deviation) instead of classical statistics (mean and standard deviation) for the summary calculations.

Value

A tibble (tbl) with the following columns:

  • cell_group - A character column representing the cell group being tested.

  • sample - A factor column representing the sample name for which the predictions are made.

  • proportion_mean - A numeric column representing the predicted mean (or median when robust=TRUE) proportions from the model.

  • proportion_lower - A numeric column representing the lower bound (2.5%) of the 95% credible interval for the predicted proportions.

  • proportion_upper - A numeric column representing the upper bound (97.5%) of the 95% credible interval for the predicted proportions.

References

S. Mangiola, A.J. Roth-Schulze, M. Trussart, E. Zozaya-Valdés, M. Ma, Z. Gao, A.F. Rubin, T.P. Speed, H. Shim, & A.T. Papenfuss, sccomp: Robust differential composition and variability analysis for single-cell data, Proc. Natl. Acad. Sci. U.S.A. 120 (33) e2203828120, https://doi.org/10.1073/pnas.2203828120 (2023).

Examples


print("cmdstanr is needed to run this example.")
#> [1] "cmdstanr is needed to run this example."
# Note: Before running the example, ensure that the 'cmdstanr' package is installed:
# install.packages("cmdstanr", repos = c("https://stan-dev.r-universe.dev/", getOption("repos")))

# \donttest{
  if (instantiate::stan_cmdstan_exists() && .Platform$OS.type == "unix") {
    data("counts_obj")

    sccomp_estimate(
      counts_obj,
      ~ type, ~1, "sample", "cell_group", "count",
      cores = 1
    ) |>
    sccomp_predict()
  }
#> sccomp says: count column is an integer. The sum-constrained beta binomial model will be used
#> sccomp says: estimation
#> sccomp says: the composition design matrix has columns: (Intercept), typecancer
#> sccomp says: the variability design matrix has columns: (Intercept)
#> Loading model from cache...
#> Path [1] :Initial log joint density = -481572.345045 
#> Path [1] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              53      -4.788e+05      6.965e-03   2.179e-01    1.000e+00  1.000e+00      2911 -3.706e+03 -3.713e+03                   
#> Path [1] :Best Iter: [42] ELBO (-3705.770457) evaluations: (2911) 
#> Path [2] :Initial log joint density = -482163.812312 
#> Path [2] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              58      -4.788e+05      5.227e-03   1.792e-01    1.000e+00  1.000e+00      3327 -3.703e+03 -3.706e+03                   
#> Path [2] :Best Iter: [55] ELBO (-3702.900783) evaluations: (3327) 
#> Path [3] :Initial log joint density = -481584.869724 
#> Path [3] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              58      -4.788e+05      7.359e-03   2.094e-01    8.768e-01  8.768e-01      3393 -3.703e+03 -3.712e+03                   
#> Path [3] :Best Iter: [55] ELBO (-3703.130462) evaluations: (3393) 
#> Path [4] :Initial log joint density = -481744.069203 
#> Path [4] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      9.695e-03   2.538e-01    1.000e+00  1.000e+00      3080 -3.706e+03 -3.699e+03                   
#> Path [4] :Best Iter: [55] ELBO (-3699.163097) evaluations: (3080) 
#> Path [5] :Initial log joint density = -481579.928171 
#> Path [5] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      7.247e-03   2.239e-01    1.000e+00  1.000e+00      3079 -3.709e+03 -3.706e+03                   
#> Path [5] :Best Iter: [55] ELBO (-3705.537905) evaluations: (3079) 
#> Path [6] :Initial log joint density = -481820.864967 
#> Path [6] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              60      -4.788e+05      2.757e-03   2.351e-01    7.193e-01  7.193e-01      3443 -3.698e+03 -3.716e+03                   
#> Path [6] :Best Iter: [58] ELBO (-3698.258585) evaluations: (3443) 
#> Path [7] :Initial log joint density = -486660.743002 
#> Path [7] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      1.375e-02   4.224e-01    1.000e+00  1.000e+00      3149 -3.701e+03 -3.709e+03                   
#> Path [7] :Best Iter: [55] ELBO (-3700.674039) evaluations: (3149) 
#> Path [8] :Initial log joint density = -481613.729385 
#> Path [8] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      9.278e-03   2.976e-01    1.000e+00  1.000e+00      3207 -3.703e+03 -3.710e+03                   
#> Path [8] :Best Iter: [55] ELBO (-3703.103574) evaluations: (3207) 
#> Path [9] :Initial log joint density = -481379.325218 
#> Path [9] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      8.529e-03   2.251e-01    1.000e+00  1.000e+00      2971 -3.706e+03 -3.700e+03                   
#> Path [9] :Best Iter: [55] ELBO (-3699.689382) evaluations: (2971) 
#> Path [10] :Initial log joint density = -483265.715914 
#> Path [10] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      7.937e-03   2.177e-01    4.708e-01  1.000e+00      3222 -3.699e+03 -3.711e+03                   
#> Path [10] :Best Iter: [55] ELBO (-3699.239659) evaluations: (3222) 
#> Path [11] :Initial log joint density = -481703.986761 
#> Path [11] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              59      -4.788e+05      8.309e-03   2.440e-01    1.000e+00  1.000e+00      3397 -3.701e+03 -3.704e+03                   
#> Path [11] :Best Iter: [57] ELBO (-3700.790994) evaluations: (3397) 
#> Path [12] :Initial log joint density = -481419.473390 
#> Path [12] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              51      -4.788e+05      5.173e-03   2.747e-01    8.305e-01  8.305e-01      2725 -3.708e+03 -3.721e+03                   
#> Path [12] :Best Iter: [46] ELBO (-3708.139005) evaluations: (2725) 
#> Path [13] :Initial log joint density = -481446.332676 
#> Path [13] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              53      -4.788e+05      5.848e-03   2.585e-01    1.000e+00  1.000e+00      2965 -3.707e+03 -3.711e+03                   
#> Path [13] :Best Iter: [49] ELBO (-3707.436596) evaluations: (2965) 
#> Path [14] :Initial log joint density = -483423.085044 
#> Path [14] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      9.786e-03   1.995e-01    1.000e+00  1.000e+00      3332 -3.699e+03 -3.702e+03                   
#> Path [14] :Best Iter: [56] ELBO (-3699.003075) evaluations: (3332) 
#> Path [15] :Initial log joint density = -481862.504843 
#> Path [15] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              59      -4.788e+05      4.459e-03   2.746e-01    6.815e-01  6.815e-01      3439 -3.701e+03 -3.714e+03                   
#> Path [15] :Best Iter: [57] ELBO (-3700.517591) evaluations: (3439) 
#> Path [16] :Initial log joint density = -481708.765653 
#> Path [16] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      4.386e-03   2.066e-01    1.000e+00  1.000e+00      2971 -3.710e+03 -3.710e+03                   
#> Path [16] :Best Iter: [51] ELBO (-3709.507804) evaluations: (2971) 
#> Path [17] :Initial log joint density = -481880.431975 
#> Path [17] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      1.492e-02   2.793e-01    1.000e+00  1.000e+00      3290 -3.700e+03 -3.702e+03                   
#> Path [17] :Best Iter: [55] ELBO (-3699.962185) evaluations: (3290) 
#> Path [18] :Initial log joint density = -481707.095036 
#> Path [18] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              54      -4.788e+05      6.819e-03   1.722e-01    9.394e-01  9.394e-01      3021 -3.711e+03 -3.725e+03                   
#> Path [18] :Best Iter: [43] ELBO (-3710.694627) evaluations: (3021) 
#> Path [19] :Initial log joint density = -481823.237548 
#> Path [19] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              63      -4.788e+05      9.307e-03   1.858e-01    1.000e+00  1.000e+00      3747 -3.699e+03 -3.699e+03                   
#> Path [19] :Best Iter: [60] ELBO (-3698.714421) evaluations: (3747) 
#> Path [20] :Initial log joint density = -481747.961449 
#> Path [20] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              62      -4.788e+05      1.225e-02   1.763e-01    1.000e+00  1.000e+00      3744 -3.698e+03 -3.698e+03                   
#> Path [20] :Best Iter: [59] ELBO (-3697.837811) evaluations: (3744) 
#> Path [21] :Initial log joint density = -481727.197861 
#> Path [21] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              53      -4.788e+05      3.394e-03   2.078e-01    7.674e-01  7.674e-01      2863 -3.709e+03 -3.724e+03                   
#> Path [21] :Best Iter: [52] ELBO (-3708.846214) evaluations: (2863) 
#> Path [22] :Initial log joint density = -481613.060041 
#> Path [22] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              58      -4.788e+05      1.112e-02   2.624e-01    1.000e+00  1.000e+00      3375 -3.701e+03 -3.704e+03                   
#> Path [22] :Best Iter: [57] ELBO (-3700.872766) evaluations: (3375) 
#> Path [23] :Initial log joint density = -482008.349734 
#> Path [23] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              64      -4.788e+05      1.251e-02   3.497e-01    1.000e+00  1.000e+00      3844 -3.699e+03 -3.711e+03                   
#> Path [23] :Best Iter: [63] ELBO (-3698.613880) evaluations: (3844) 
#> Path [24] :Initial log joint density = -482035.623761 
#> Path [24] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      5.449e-03   2.160e-01    7.006e-01  7.006e-01      3249 -3.702e+03 -3.720e+03                   
#> Path [24] :Best Iter: [55] ELBO (-3702.023401) evaluations: (3249) 
#> Path [25] :Initial log joint density = -481681.150638 
#> Path [25] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              52      -4.788e+05      1.300e-02   4.696e-01    1.000e+00  1.000e+00      2866 -3.706e+03 -3.725e+03                   
#> Path [25] :Best Iter: [51] ELBO (-3706.233380) evaluations: (2866) 
#> Path [26] :Initial log joint density = -482495.331163 
#> Path [26] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              61      -4.788e+05      6.409e-03   2.089e-01    1.000e+00  1.000e+00      3662 -3.701e+03 -3.708e+03                   
#> Path [26] :Best Iter: [57] ELBO (-3700.871267) evaluations: (3662) 
#> Path [27] :Initial log joint density = -481997.545751 
#> Path [27] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              61      -4.788e+05      8.556e-03   2.096e-01    8.969e-01  8.969e-01      3478 -3.696e+03 -3.710e+03                   
#> Path [27] :Best Iter: [59] ELBO (-3695.983125) evaluations: (3478) 
#> Path [28] :Initial log joint density = -481511.496566 
#> Path [28] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      1.347e-02   1.836e-01    1.000e+00  1.000e+00      3203 -3.700e+03 -3.703e+03                   
#> Path [28] :Best Iter: [56] ELBO (-3699.592340) evaluations: (3203) 
#> Path [29] :Initial log joint density = -484682.698319 
#> Path [29] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              62      -4.788e+05      3.111e-03   2.472e-01    6.568e-01  6.568e-01      3678 -3.703e+03 -3.714e+03                   
#> Path [29] :Best Iter: [61] ELBO (-3703.344670) evaluations: (3678) 
#> Path [30] :Initial log joint density = -481822.271280 
#> Path [30] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              54      -4.788e+05      2.941e-03   1.551e-01    7.803e-01  7.803e-01      3076 -3.709e+03 -3.725e+03                   
#> Path [30] :Best Iter: [45] ELBO (-3708.766086) evaluations: (3076) 
#> Path [31] :Initial log joint density = -481615.799590 
#> Path [31] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              58      -4.788e+05      1.635e-02   2.864e-01    1.000e+00  1.000e+00      3328 -3.698e+03 -3.702e+03                   
#> Path [31] :Best Iter: [56] ELBO (-3697.516012) evaluations: (3328) 
#> Path [32] :Initial log joint density = -481551.276677 
#> Path [32] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      4.575e-03   1.690e-01    1.000e+00  1.000e+00      3082 -3.707e+03 -3.709e+03                   
#> Path [32] :Best Iter: [52] ELBO (-3706.872637) evaluations: (3082) 
#> Path [33] :Initial log joint density = -481745.865107 
#> Path [33] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      1.007e-02   2.185e-01    1.000e+00  1.000e+00      3273 -3.706e+03 -3.701e+03                   
#> Path [33] :Best Iter: [56] ELBO (-3700.698378) evaluations: (3273) 
#> Path [34] :Initial log joint density = -482402.517522 
#> Path [34] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              59      -4.788e+05      5.676e-03   1.881e-01    1.000e+00  1.000e+00      3417 -3.699e+03 -3.708e+03                   
#> Path [34] :Best Iter: [55] ELBO (-3698.835785) evaluations: (3417) 
#> Path [35] :Initial log joint density = -481406.249447 
#> Path [35] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      1.173e-02   1.823e-01    1.000e+00  1.000e+00      3295 -3.701e+03 -3.699e+03                   
#> Path [35] :Best Iter: [57] ELBO (-3699.266704) evaluations: (3295) 
#> Path [36] :Initial log joint density = -481680.013285 
#> Path [36] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      1.120e-02   1.973e-01    1.000e+00  1.000e+00      3192 -3.705e+03 -3.699e+03                   
#> Path [36] :Best Iter: [57] ELBO (-3699.482462) evaluations: (3192) 
#> Path [37] :Initial log joint density = -481922.925608 
#> Path [37] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      7.553e-03   2.397e-01    1.000e+00  1.000e+00      3047 -3.709e+03 -3.701e+03                   
#> Path [37] :Best Iter: [55] ELBO (-3701.486226) evaluations: (3047) 
#> Path [38] :Initial log joint density = -481928.748559 
#> Path [38] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              61      -4.788e+05      5.492e-03   2.525e-01    8.607e-01  8.607e-01      3478 -3.702e+03 -3.711e+03                   
#> Path [38] :Best Iter: [59] ELBO (-3702.215112) evaluations: (3478) 
#> Path [39] :Initial log joint density = -484068.486920 
#> Path [39] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              59      -4.788e+05      1.144e-02   2.160e-01    1.000e+00  1.000e+00      3506 -3.703e+03 -3.711e+03                   
#> Path [39] :Best Iter: [58] ELBO (-3703.287172) evaluations: (3506) 
#> Path [40] :Initial log joint density = -481584.754644 
#> Path [40] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              57      -4.788e+05      6.054e-03   1.823e-01    1.000e+00  1.000e+00      3347 -3.707e+03 -3.705e+03                   
#> Path [40] :Best Iter: [57] ELBO (-3704.836455) evaluations: (3347) 
#> Path [41] :Initial log joint density = -487494.357628 
#> Path [41] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              60      -4.788e+05      7.450e-03   2.454e-01    1.000e+00  1.000e+00      3451 -3.706e+03 -3.710e+03                   
#> Path [41] :Best Iter: [56] ELBO (-3705.647378) evaluations: (3451) 
#> Path [42] :Initial log joint density = -481886.876588 
#> Path [42] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              60      -4.788e+05      9.005e-03   2.476e-01    1.000e+00  1.000e+00      3479 -3.700e+03 -3.700e+03                   
#> Path [42] :Best Iter: [60] ELBO (-3699.532545) evaluations: (3479) 
#> Path [43] :Initial log joint density = -481884.123088 
#> Path [43] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              54      -4.788e+05      1.127e-02   2.778e-01    9.313e-01  9.313e-01      3035 -3.710e+03 -3.722e+03                   
#> Path [43] :Best Iter: [45] ELBO (-3710.131764) evaluations: (3035) 
#> Path [44] :Initial log joint density = -481532.821379 
#> Path [44] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              60      -4.788e+05      2.299e-02   3.690e-01    1.000e+00  1.000e+00      3508 -3.697e+03 -3.701e+03                   
#> Path [44] :Best Iter: [59] ELBO (-3697.250301) evaluations: (3508) 
#> Path [45] :Initial log joint density = -481533.493056 
#> Path [45] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              54      -4.788e+05      6.082e-03   1.654e-01    1.000e+00  1.000e+00      3005 -3.711e+03 -3.711e+03                   
#> Path [45] :Best Iter: [51] ELBO (-3711.287981) evaluations: (3005) 
#> Path [46] :Initial log joint density = -481592.864295 
#> Path [46] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              49      -4.788e+05      7.482e-03   2.559e-01    1.000e+00  1.000e+00      2581 -3.709e+03 -3.720e+03                   
#> Path [46] :Best Iter: [48] ELBO (-3709.130132) evaluations: (2581) 
#> Path [47] :Initial log joint density = -481333.357196 
#> Path [47] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              56      -4.788e+05      1.182e-02   2.434e-01    1.000e+00  1.000e+00      3102 -3.704e+03 -3.706e+03                   
#> Path [47] :Best Iter: [55] ELBO (-3703.622163) evaluations: (3102) 
#> Path [48] :Initial log joint density = -481622.406052 
#> Path [48] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              60      -4.788e+05      4.310e-03   2.465e-01    6.974e-01  6.974e-01      3579 -3.700e+03 -3.711e+03                   
#> Path [48] :Best Iter: [59] ELBO (-3699.964106) evaluations: (3579) 
#> Path [49] :Initial log joint density = -481593.618794 
#> Path [49] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              54      -4.788e+05      4.957e-03   2.009e-01    1.000e+00  1.000e+00      2994 -3.709e+03 -3.713e+03                   
#> Path [49] :Best Iter: [45] ELBO (-3708.871498) evaluations: (2994) 
#> Path [50] :Initial log joint density = -481928.421695 
#> Path [50] : Iter      log prob        ||dx||      ||grad||     alpha      alpha0      # evals       ELBO    Best ELBO        Notes  
#>              55      -4.788e+05      1.417e-02   4.070e-01    1.000e+00  1.000e+00      3026 -3.709e+03 -3.706e+03                   
#> Path [50] :Best Iter: [55] ELBO (-3706.044293) evaluations: (3026) 
#> Finished in  13.6 seconds.
#> sccomp says: to do hypothesis testing run `sccomp_test()`,
#>   the `test_composition_above_logit_fold_change` = 0.1 equates to a change of ~10%, and
#>   0.7 equates to ~100% increase, if the baseline is ~0.1 proportion.
#>   Use `sccomp_proportional_fold_change` to convert c_effect (linear) to proportion difference (non-linear).
#> sccomp says: auto-cleanup removed 1 draw files from 'sccomp_draws_files'
#> Loading model from cache...
#> Running standalone generated quantities after 1 MCMC chain, with 1 thread(s) per chain...
#> 
#> Chain 1 finished in 0.0 seconds.
#> # A tibble: 720 × 6
#>    sample type   cell_group proportion_mean proportion_lower proportion_upper
#>    <fct>  <fct>  <chr>                <dbl>            <dbl>            <dbl>
#>  1 10x_6K benign B1                 0.0587           0.0461           0.0720 
#>  2 10x_6K benign B2                 0.0376           0.0291           0.0469 
#>  3 10x_6K benign B3                 0.0127           0.00962          0.0160 
#>  4 10x_6K benign BM                 0.00674          0.00512          0.00859
#>  5 10x_6K benign CD4 1              0.0254           0.0215           0.0297 
#>  6 10x_6K benign CD4 2              0.0509           0.0426           0.0608 
#>  7 10x_6K benign CD4 3              0.0825           0.0631           0.103  
#>  8 10x_6K benign CD4 4              0.00171          0.00111          0.00242
#>  9 10x_6K benign CD4 5              0.0304           0.0237           0.0373 
#> 10 10x_6K benign CD8 1              0.111            0.0949           0.129  
#> # ℹ 710 more rows
# }