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Merge pull request #109 from sfcheung/devel
0.1.6.1: Revise the tests for nonconvergence
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,50 +1,72 @@ | ||
| skip_on_cran() | ||
| # "Essential but may be machine dependent" | ||
|
|
||
| library(testthat) | ||
| library(lavaan) | ||
| library(semfindr) | ||
|
|
||
| mod <- | ||
| mod <- | ||
| ' | ||
| f1 =~ x1 + x2 + x3 | ||
| f2 =~ x4 + x5 + x6 | ||
| ' | ||
| dat <- cfa_dat[1:50, ] | ||
| # set.seed(2468) | ||
| # dput(sample.int(100, 40)) | ||
| i <- c(21L, 22L, 16L, 72L, 13L, 50L, 39L, 91L, 66L, 100L, 62L, 26L, | ||
| 17L, 35L, 48L, 81L, 55L, 97L, 98L, 3L, 59L, 89L, 77L, 84L, 4L, | ||
| 20L, 41L, 43L, 49L, 90L, 34L, 47L, 71L, 14L, 52L, 5L, 80L, 31L, | ||
| 2L, 53L) | ||
| dat <- cfa_dat[i, ] | ||
|
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||
| fit <- lavaan::cfa(mod, dat, control = list(iter.max = 39)) | ||
| fit <- lavaan::cfa(mod, dat, control = list(iter.max = 45)) | ||
| lavInspect(fit, "iterations") | ||
|
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||
| # This rerun has both runs that failed to converge and runs that failed post.check. | ||
| fit_rerun <- lavaan_rerun(fit, to_rerun = 1:20) | ||
| j <- c(1, c(2, 16, 20, 21, 22, 24), 25) | ||
| fit_rerun <- lavaan_rerun(fit, to_rerun = j, skip_all_checks = TRUE) | ||
| table(sapply(fit_rerun$rerun, lavInspect, what = "converged")) | ||
| suppressWarnings(table(sapply(fit_rerun$rerun, lavInspect, what = "post.check"))) | ||
|
|
||
| tmp <- sapply(j, function(x) suppressWarnings(lavaan::cfa(mod, dat[-x, ], control = list(iter.max = 45)))) | ||
| nc_check0 <- sapply(tmp, lavInspect, what = "converged") | ||
| nc_check1 <- sum(nc_check0) | ||
| pc_check0 <- suppressWarnings(sapply(tmp, lavInspect, what = "post.check")) | ||
| pc_check1 <- sum(!pc_check0) | ||
|
|
||
| test_that("Convergence", { | ||
| expect_equal(sum(sapply(fit_rerun$rerun, lavInspect, | ||
| what = "converged")), | ||
| 19) | ||
| expect_true(all(fit_rerun$converged[-3])) | ||
| nc_check1) | ||
| expect_equal(fit_rerun$converged, | ||
| nc_check0, | ||
| ignore_attr = TRUE) | ||
| }) | ||
|
|
||
| test_that("Warnings", { | ||
| expect_equal(sum(sapply(fit_rerun$post_check, inherits, | ||
| what = "simpleWarning")), | ||
| 2) | ||
| expect_true(all(sapply(fit_rerun$post_check, inherits, | ||
| what = "simpleWarning")[c(1, 20)])) | ||
| pc_check1) | ||
| expect_equal(which(sapply(fit_rerun$post_check, inherits, | ||
| what = "simpleWarning")), | ||
| which(!pc_check0), | ||
| ignore_attr = TRUE) | ||
| }) | ||
|
|
||
| test_that("est_change_raw", { | ||
| tmp <- est_change_raw(fit_rerun) | ||
| expect_true(all(!complete.cases(tmp)[c(1, 3, 20)])) | ||
| expect_equal(complete.cases(tmp), | ||
| nc_check0) | ||
| }) | ||
|
|
||
| test_that("est_change", { | ||
| tmp <- est_change(fit_rerun) | ||
| expect_true(all(!complete.cases(tmp)[c(1, 3, 20)])) | ||
| expect_equal(complete.cases(tmp), | ||
| nc_check0) | ||
| }) | ||
|
|
||
| test_that("fit_measures_change", { | ||
| tmp <- fit_measures_change(fit_rerun, fit_measures = "chisq") | ||
| expect_equal(which(is.na(tmp)), | ||
| c(1, 3, 20)) | ||
| expect_equal(as.vector(!is.na(tmp)), | ||
| nc_check0) | ||
| }) | ||
|
|