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> library(testthat)
> library(qadf)
> 
> test_check("qadf")
Quantile ADF Unit Root Test
Koenker & Xiao (2004), JASA, 99, 775-787
------------------------------------------------------------
Variable     : c(-0.626453810742332, -0.44281048652025, -1.2784390989303, 0.316841703207494, Variable     : 0.646349475022855, -0.174118909095161, 0.313310143333325, 1.05163484846254, Variable     : 1.62741620011603, 1.32202781295968, 2.83380898141053, 3.22365221782196, Variable     : 2.60241163728015, 0.387711750102654, 1.51264266824576, 1.46770905923053, Variable     : 1.45151879613158, 2.39535500681688, 3.21657620191497, 3.81047752313248, Variable     : 4.7294548947407, 5.51159119547177, 5.58615617883696, 3.59680448297358, Variable     : 4.2166302308683, 4.16050149133929, 4.00470598463396, 2.53395360073469, Variable     : 2.05580354562607, 2.47374510582577, 3.83242465735482, 3.72963693001182, Variable     : 4.11730854157119, 4.06350350098829, 2.68644394415968, 2.27144938086, Variable     : 1.87715942714965, 1.81784603043846, 2.91787140242235, 3.68104715087989, Variable     : 3.5165235546263, 3.2631618744898, 3.96012524989453, 4.51678844856819, Variable     : 3.82803275401867, 3.12053759705655, 3.48511955919338, 4.2536524837088, Variable     : 4.14130627155857, 5.02241399801278, 5.42051987837985, 4.80849348512908, Variable     : 5.14961317655351, 4.02025008047271, 5.45327378217375, 7.43367368067961, Variable     : 7.0664522042131, 6.02231757789657, 6.59203720533898, 6.45698260145816Variable     : )
Model        : Constant
Quantile tau : 0.500
Optimal lags : 6
N (used)     : 53
IC           : aic
------------------------------------------------------------
Coefficient Estimates
------------------------------------------------------------
  rho(tau) [QR] : -0.1377
  rho     [OLS] : -0.1182
  alpha0(tau)   : 0.6195
  delta-sq      : 0.6013
  Half-life     : ---
------------------------------------------------------------
Test Statistics
------------------------------------------------------------
  t_n(tau)            : -16.0625  ***
  U_n(tau) = n(rho-1) : -60.2988
------------------------------------------------------------
Critical Values (Hansen 1995)
------------------------------------------------------------
  1%   : -3.2400
  5%   : -2.7200
  10%  : -2.4600
------------------------------------------------------------
Decision: Reject H0 at 1%: Strong evidence of stationarity
Note: *** p<0.01, ** p<0.05, * p<0.10
H0: Unit root  vs  H1: Stationarity
------------------------------------------------------------
------------------------------------------------------------
Quantile ADF Unit Root Test
Koenker & Xiao (2004), JASA, 99, 775-787
------------------------------------------------------------
Variable     : c(-0.626453810742332, -0.44281048652025, -1.2784390989303, 0.316841703207494, Variable     : 0.646349475022855, -0.174118909095161, 0.313310143333325, 1.05163484846254, Variable     : 1.62741620011603, 1.32202781295968, 2.83380898141053, 3.22365221782196, Variable     : 2.60241163728015, 0.387711750102654, 1.51264266824576, 1.46770905923053, Variable     : 1.45151879613158, 2.39535500681688, 3.21657620191497, 3.81047752313248, Variable     : 4.7294548947407, 5.51159119547177, 5.58615617883696, 3.59680448297358, Variable     : 4.2166302308683, 4.16050149133929, 4.00470598463396, 2.53395360073469, Variable     : 2.05580354562607, 2.47374510582577, 3.83242465735482, 3.72963693001182, Variable     : 4.11730854157119, 4.06350350098829, 2.68644394415968, 2.27144938086, Variable     : 1.87715942714965, 1.81784603043846, 2.91787140242235, 3.68104715087989, Variable     : 3.5165235546263, 3.2631618744898, 3.96012524989453, 4.51678844856819, Variable     : 3.82803275401867, 3.12053759705655, 3.48511955919338, 4.2536524837088, Variable     : 4.14130627155857, 5.02241399801278, 5.42051987837985, 4.80849348512908, Variable     : 5.14961317655351, 4.02025008047271, 5.45327378217375, 7.43367368067961, Variable     : 7.0664522042131, 6.02231757789657, 6.59203720533898, 6.45698260145816Variable     : )
Model        : Constant
Quantile tau : 0.500
Optimal lags : 6
N (used)     : 53
IC           : aic
------------------------------------------------------------
Coefficient Estimates
------------------------------------------------------------
  rho(tau) [QR] : -0.1377
  rho     [OLS] : -0.1182
  alpha0(tau)   : 0.6195
  delta-sq      : 0.6013
  Half-life     : ---
------------------------------------------------------------
Test Statistics
------------------------------------------------------------
  t_n(tau)            : -16.0625  ***
  U_n(tau) = n(rho-1) : -60.2988
------------------------------------------------------------
Critical Values (Hansen 1995)
------------------------------------------------------------
  1%   : -3.2400
  5%   : -2.7200
  10%  : -2.4600
------------------------------------------------------------
Decision: Reject H0 at 1%: Strong evidence of stationarity
Note: *** p<0.01, ** p<0.05, * p<0.10
H0: Unit root  vs  H1: Stationarity
------------------------------------------------------------
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 17 ]
> 
> proc.time()
   user  system elapsed 
   2.01    0.34    2.31