Running 'BFGSR.R' [1s]
  Comparing 'BFGSR.Rout' to 'BFGSR.Rout.save' ... OK
  Running 'basicTest.R' [1s]
  Running 'constraints.R' [4s]
  Comparing 'constraints.Rout' to 'constraints.Rout.save' ... OK
  Running 'finalHessian.R' [1s]
  Comparing 'finalHessian.Rout' to 'finalHessian.Rout.save' ... OK
  Running 'methods.R' [1s]
  Running 'numericGradient.R' [0s]
  Comparing 'numericGradient.Rout' to 'numericGradient.Rout.save' ... OK
Running the tests in 'tests/basicTest.R' failed.
Complete output:
  > ### general optimization tests for the functions of various forms
  > ### test for:
  > ### 1. numeric gradient, Hessian
  > ### 2. analytic gradient, numeric Hessian
  > ### 3. analytic gradient, Hessian
  > ###
  > ### a) maxLik(, method="NR")
  > ### c) maxLik(, method="BFGS")
  > ### b) maxLik(, method="BHHH")
  > ###
  > ### i) maxNR()
  > ### ii) maxBFGS()
  > 
  > library(maxLik)
  Loading required package: miscTools
  
  Please cite the 'maxLik' package as:
  Henningsen, Arne and Toomet, Ott (2011). maxLik: A package for maximum likelihood estimation in R. Computational Statistics 26(3), 443-458. DOI 10.1007/s00180-010-0217-1.
  
  If you have questions, suggestions, or comments regarding the 'maxLik' package, please use a forum or 'tracker' at maxLik's R-Forge site:
  https://r-forge.r-project.org/projects/maxlik/
  > library(testthat)
  Error: package or namespace load failed for 'testthat' in library.dynam(lib, package, package.lib):
   DLL 'rlang' not found: maybe not installed for this architecture?
  Execution halted
Running the tests in 'tests/methods.R' failed.
Complete output:
  > ## Test methods.  Note: only test if methods work in terms of dim, length, etc,
  > ## not in terms of values here
  > 
  > library(maxLik)
  Loading required package: miscTools
  
  Please cite the 'maxLik' package as:
  Henningsen, Arne and Toomet, Ott (2011). maxLik: A package for maximum likelihood estimation in R. Computational Statistics 26(3), 443-458. DOI 10.1007/s00180-010-0217-1.
  
  If you have questions, suggestions, or comments regarding the 'maxLik' package, please use a forum or 'tracker' at maxLik's R-Forge site:
  https://r-forge.r-project.org/projects/maxlik/
  > require(testthat)
  Loading required package: testthat
  Error: package or namespace load failed for 'testthat' in library.dynam(lib, package, package.lib):
   DLL 'rlang' not found: maybe not installed for this architecture?
  > require(sandwich)
  Loading required package: sandwich
  > set.seed(0)
  > 
  > ## Test standard methods for "lm"
  > x <- runif(20)
  > y <- x + rnorm(20)
  > m <- lm(y ~ x)
  > print(nObs(m))
  [1] 20
  > print(stdEr(m))
  (Intercept)           x 
    0.3578623   0.5687071 
  > 
  > ## Test maxControl methods:
  > set.seed(9)
  > x <- rnorm(20, sd=2)
  > ll1 <- function(par) dnorm(x, mean=par, sd=1, log=TRUE)
  > ll2 <- function(par) dnorm(x, mean=par[1], sd=par[2], log=TRUE)
  > for(method in c("NR", "BFGS", "BFGSR")) {
  +    cat("-- method", method, "--\n")
  +    m <- maxLik(ll2, start=c(0, 2), method=method, control=list(iterlim=1))
  +    expect_equal(maxValue(m), -41.35, tolerance=0.01)
  +    expect_true(is.vector(gradient(m)), info="'gradient' returns a vector")
  +    expect_equal(length(gradient(m)), 2, info="'gradient(m)' is of length 2")
  +    expect_true(is.matrix(estfun(m)), info="'estfun' returns a matrix")
  +    expect_equal(dim(estfun(m)), c(20,2), info="'estfun(m)' is 20x2 matrix")
  +    cat("MaxControl structure:\n")
  +    show(maxControl(m))
  + }
  -- method NR --
  Error in expect_equal(maxValue(m), -41.35, tolerance = 0.01) : 
    could not find function "expect_equal"
  Execution halted