Extract the posterior variance-covariance matrix of model parameters from a
fitted INLAvaan model.
Usage
# S4 method for class 'INLAvaan'
vcov(object, type = c("lavaan", "theta"), ...)Arguments
- object
An object of class INLAvaan.
- type
Character.
"lavaan"(default) returns the posterior covariance matrix of the model parameters computed from posterior samples (matching lavaan output)."theta"returns the Laplace approximation covariance in the internal parameterisation.- ...
Currently unused.
Examples
# \donttest{
HS.model <- "
visual =~ x1 + x2 + x3
textual =~ x4 + x5 + x6
speed =~ x7 + x8 + x9
"
utils::data("HolzingerSwineford1939", package = "lavaan")
fit <- acfa(HS.model, HolzingerSwineford1939, std.lv = TRUE, nsamp = 100,
test = "none", verbose = FALSE)
# Default: posterior covariance of lavaan parameters
vcov(fit)
#> visual=~x1 visual=~x2 visual=~x3 textual=~x4
#> visual=~x1 7.781833e-03 -0.0012190458 -1.583619e-03 3.985165e-04
#> visual=~x2 -1.219046e-03 0.0057236108 1.442308e-03 -4.093758e-04
#> visual=~x3 -1.583619e-03 0.0014423078 6.621301e-03 3.117909e-04
#> textual=~x4 3.985165e-04 -0.0004093758 3.117909e-04 3.602287e-03
#> textual=~x5 7.749926e-04 -0.0008190596 -3.437699e-04 1.548133e-03
#> textual=~x6 5.140835e-04 -0.0003881927 -5.790088e-05 1.534206e-03
#> speed=~x7 5.487502e-04 -0.0006525638 6.492678e-04 -9.881894e-05
#> speed=~x8 -2.321742e-04 -0.0004354281 -5.124352e-04 -1.547929e-04
#> speed=~x9 -1.481067e-03 0.0011670926 2.180839e-04 -1.762960e-04
#> x1~~x1 -7.430748e-03 0.0025340213 4.234365e-03 -6.803656e-04
#> x2~~x2 1.170339e-03 -0.0011920324 -4.913649e-05 9.192299e-04
#> x3~~x3 3.966022e-03 -0.0014467321 -3.690973e-03 6.394508e-05
#> x4~~x4 -4.553126e-04 -0.0001044055 -8.470450e-04 -1.084856e-03
#> x5~~x5 2.624353e-04 -0.0000824760 -4.783137e-04 7.509146e-04
#> x6~~x6 1.363764e-06 0.0001721388 1.887792e-04 2.113588e-04
#> x7~~x7 -7.720919e-04 -0.0001493206 -8.988923e-06 2.074975e-04
#> x8~~x8 3.031503e-04 0.0006637434 -4.823313e-04 -1.541852e-05
#> x9~~x9 4.174976e-04 -0.0011672809 1.377676e-04 4.259554e-04
#> visual~~textual 1.859212e-03 -0.0003357834 -1.059155e-03 1.172306e-03
#> visual~~speed -1.810588e-05 0.0008080911 2.311530e-04 -5.839758e-04
#> textual~~speed 7.779842e-04 0.0005697667 -8.060865e-04 3.173399e-04
#> textual=~x5 textual=~x6 speed=~x7 speed=~x8
#> visual=~x1 7.749926e-04 5.140835e-04 5.487502e-04 -2.321742e-04
#> visual=~x2 -8.190596e-04 -3.881927e-04 -6.525638e-04 -4.354281e-04
#> visual=~x3 -3.437699e-04 -5.790088e-05 6.492678e-04 -5.124352e-04
#> textual=~x4 1.548133e-03 1.534206e-03 -9.881894e-05 -1.547929e-04
#> textual=~x5 4.315878e-03 1.705860e-03 -8.687288e-05 6.623548e-05
#> textual=~x6 1.705860e-03 3.142877e-03 -2.458882e-04 -1.418621e-04
#> speed=~x7 -8.687288e-05 -2.458882e-04 4.940466e-03 1.983978e-03
#> speed=~x8 6.623548e-05 -1.418621e-04 1.983978e-03 6.053239e-03
#> speed=~x9 -7.243867e-04 -3.886670e-04 -9.917298e-04 -1.118106e-03
#> x1~~x1 -1.615078e-03 -3.055945e-04 -1.623791e-04 5.033320e-04
#> x2~~x2 1.029358e-03 -2.586598e-04 4.502692e-04 4.503039e-04
#> x3~~x3 -3.534635e-04 6.567817e-05 -5.107925e-05 -4.419945e-04
#> x4~~x4 -3.940191e-04 -1.252844e-04 1.625627e-04 8.949528e-05
#> x5~~x5 -1.132893e-03 4.819026e-04 2.313069e-04 7.449729e-04
#> x6~~x6 -1.007896e-04 -4.097875e-04 -7.824058e-05 -6.147410e-05
#> x7~~x7 4.201290e-04 1.108317e-04 -1.761941e-03 7.338067e-04
#> x8~~x8 -8.412920e-05 4.608147e-04 -1.220918e-03 -3.931161e-03
#> x9~~x9 1.111706e-03 1.680382e-04 1.891139e-03 2.853474e-03
#> visual~~textual 2.813474e-04 1.385672e-03 2.091023e-04 5.782056e-04
#> visual~~speed 4.581880e-05 1.432067e-04 -1.161539e-03 -1.694610e-03
#> textual~~speed -6.911801e-05 2.431292e-04 4.913987e-04 -7.056785e-04
#> speed=~x9 x1~~x1 x2~~x2 x3~~x3
#> visual=~x1 -0.0014810674 -7.430748e-03 1.170339e-03 3.966022e-03
#> visual=~x2 0.0011670926 2.534021e-03 -1.192032e-03 -1.446732e-03
#> visual=~x3 0.0002180839 4.234365e-03 -4.913649e-05 -3.690973e-03
#> textual=~x4 -0.0001762960 -6.803656e-04 9.192299e-04 6.394508e-05
#> textual=~x5 -0.0007243867 -1.615078e-03 1.029358e-03 -3.534635e-04
#> textual=~x6 -0.0003886670 -3.055945e-04 -2.586598e-04 6.567817e-05
#> speed=~x7 -0.0009917298 -1.623791e-04 4.502692e-04 -5.107925e-05
#> speed=~x8 -0.0011181057 5.033320e-04 4.503039e-04 -4.419945e-04
#> speed=~x9 0.0049685296 8.062709e-04 -4.092676e-04 1.760427e-04
#> x1~~x1 0.0008062709 1.464658e-02 -1.421970e-03 -6.590798e-03
#> x2~~x2 -0.0004092676 -1.421970e-03 6.773897e-03 1.351619e-03
#> x3~~x3 0.0001760427 -6.590798e-03 1.351619e-03 9.302123e-03
#> x4~~x4 0.0006212335 -1.179478e-04 -2.286106e-04 6.187063e-05
#> x5~~x5 -0.0001866213 -5.363526e-05 2.355809e-04 9.635811e-04
#> x6~~x6 -0.0003969551 6.517110e-05 3.991473e-04 6.579847e-05
#> x7~~x7 0.0012979629 9.557717e-05 1.353373e-04 -6.073210e-04
#> x8~~x8 0.0017998741 -8.616074e-04 -2.430287e-04 1.561604e-03
#> x9~~x9 -0.0036444658 1.786399e-04 6.746541e-04 -6.882409e-04
#> visual~~textual -0.0003534812 -1.060825e-03 4.047887e-04 1.737646e-03
#> visual~~speed 0.0014732247 1.321052e-03 -6.238864e-04 5.983634e-04
#> textual~~speed 0.0005381056 -8.601195e-04 -1.450190e-03 4.406074e-04
#> x4~~x4 x5~~x5 x6~~x6 x7~~x7
#> visual=~x1 -4.553126e-04 2.624353e-04 1.363764e-06 -7.720919e-04
#> visual=~x2 -1.044055e-04 -8.247600e-05 1.721388e-04 -1.493206e-04
#> visual=~x3 -8.470450e-04 -4.783137e-04 1.887792e-04 -8.988923e-06
#> textual=~x4 -1.084856e-03 7.509146e-04 2.113588e-04 2.074975e-04
#> textual=~x5 -3.940191e-04 -1.132893e-03 -1.007896e-04 4.201290e-04
#> textual=~x6 -1.252844e-04 4.819026e-04 -4.097875e-04 1.108317e-04
#> speed=~x7 1.625627e-04 2.313069e-04 -7.824058e-05 -1.761941e-03
#> speed=~x8 8.949528e-05 7.449729e-04 -6.147410e-05 7.338067e-04
#> speed=~x9 6.212335e-04 -1.866213e-04 -3.969551e-04 1.297963e-03
#> x1~~x1 -1.179478e-04 -5.363526e-05 6.517110e-05 9.557717e-05
#> x2~~x2 -2.286106e-04 2.355809e-04 3.991473e-04 1.353373e-04
#> x3~~x3 6.187063e-05 9.635811e-04 6.579847e-05 -6.073210e-04
#> x4~~x4 2.569942e-03 -7.777697e-04 -2.546055e-04 1.717307e-04
#> x5~~x5 -7.777697e-04 3.857894e-03 -2.353696e-04 -3.823669e-04
#> x6~~x6 -2.546055e-04 -2.353696e-04 1.372173e-03 -1.790541e-04
#> x7~~x7 1.717307e-04 -3.823669e-04 -1.790541e-04 6.631861e-03
#> x8~~x8 3.489794e-04 -5.858720e-04 -7.884117e-05 -4.429488e-04
#> x9~~x9 -3.043731e-04 3.662394e-04 5.578531e-04 -1.207234e-03
#> visual~~textual -3.081167e-04 1.276894e-03 1.468275e-04 -1.325055e-04
#> visual~~speed 7.345627e-04 -6.391509e-04 -3.333134e-04 1.147778e-03
#> textual~~speed 1.363393e-04 2.169732e-04 -9.377230e-05 -1.743051e-05
#> x8~~x8 x9~~x9 visual~~textual visual~~speed
#> visual=~x1 3.031503e-04 0.0004174976 0.0018592116 -1.810588e-05
#> visual=~x2 6.637434e-04 -0.0011672809 -0.0003357834 8.080911e-04
#> visual=~x3 -4.823313e-04 0.0001377676 -0.0010591549 2.311530e-04
#> textual=~x4 -1.541852e-05 0.0004259554 0.0011723062 -5.839758e-04
#> textual=~x5 -8.412920e-05 0.0011117065 0.0002813474 4.581880e-05
#> textual=~x6 4.608147e-04 0.0001680382 0.0013856724 1.432067e-04
#> speed=~x7 -1.220918e-03 0.0018911386 0.0002091023 -1.161539e-03
#> speed=~x8 -3.931161e-03 0.0028534737 0.0005782056 -1.694610e-03
#> speed=~x9 1.799874e-03 -0.0036444658 -0.0003534812 1.473225e-03
#> x1~~x1 -8.616074e-04 0.0001786399 -0.0010608247 1.321052e-03
#> x2~~x2 -2.430287e-04 0.0006746541 0.0004047887 -6.238864e-04
#> x3~~x3 1.561604e-03 -0.0006882409 0.0017376463 5.983634e-04
#> x4~~x4 3.489794e-04 -0.0003043731 -0.0003081167 7.345627e-04
#> x5~~x5 -5.858720e-04 0.0003662394 0.0012768945 -6.391509e-04
#> x6~~x6 -7.884117e-05 0.0005578531 0.0001468275 -3.333134e-04
#> x7~~x7 -4.429488e-04 -0.0012072336 -0.0001325055 1.147778e-03
#> x8~~x8 6.121337e-03 -0.0025846420 -0.0001451754 2.087996e-03
#> x9~~x9 -2.584642e-03 0.0062700503 0.0002568864 -1.987168e-03
#> visual~~textual -1.451754e-04 0.0002568864 0.0051775818 3.045503e-04
#> visual~~speed 2.087996e-03 -0.0019871683 0.0003045503 6.747516e-03
#> textual~~speed 1.434294e-03 -0.0008758963 0.0012048339 2.101753e-03
#> textual~~speed
#> visual=~x1 7.779842e-04
#> visual=~x2 5.697667e-04
#> visual=~x3 -8.060865e-04
#> textual=~x4 3.173399e-04
#> textual=~x5 -6.911801e-05
#> textual=~x6 2.431292e-04
#> speed=~x7 4.913987e-04
#> speed=~x8 -7.056785e-04
#> speed=~x9 5.381056e-04
#> x1~~x1 -8.601195e-04
#> x2~~x2 -1.450190e-03
#> x3~~x3 4.406074e-04
#> x4~~x4 1.363393e-04
#> x5~~x5 2.169732e-04
#> x6~~x6 -9.377230e-05
#> x7~~x7 -1.743051e-05
#> x8~~x8 1.434294e-03
#> x9~~x9 -8.758963e-04
#> visual~~textual 1.204834e-03
#> visual~~speed 2.101753e-03
#> textual~~speed 5.032031e-03
# Internal parameterisation (Laplace approximation)
vcov(fit, type = "theta")
#> visual=~x1 visual=~x2 visual=~x3 textual=~x4
#> visual=~x1 6.944819e-03 -9.228843e-04 -9.935751e-04 3.389857e-04
#> visual=~x2 -9.228843e-04 6.568863e-03 1.577215e-03 1.410972e-04
#> visual=~x3 -9.935751e-04 1.577215e-03 6.061736e-03 1.941726e-04
#> textual=~x4 3.389857e-04 1.410972e-04 1.941726e-04 3.223624e-03
#> textual=~x5 3.141650e-04 2.000129e-04 2.591496e-04 1.688801e-03
#> textual=~x6 2.546537e-04 1.692562e-04 2.206257e-04 1.376938e-03
#> speed=~x7 3.049172e-04 7.658901e-05 5.006757e-05 8.922238e-05
#> speed=~x8 3.435120e-04 1.427343e-04 4.258362e-05 9.357838e-05
#> speed=~x9 6.233622e-05 1.250035e-04 3.071841e-04 7.405772e-05
#> x1~~x1 -1.222508e-02 5.410147e-03 6.403818e-03 -1.279744e-04
#> x2~~x2 1.466413e-03 -2.090859e-03 -9.100595e-04 2.237214e-05
#> x3~~x3 3.072863e-03 -1.610649e-03 -3.944877e-03 3.916836e-05
#> x4~~x4 -2.114624e-04 1.400470e-04 1.444548e-04 -1.889064e-03
#> x5~~x5 9.341801e-05 -6.713443e-05 -6.283285e-05 5.955463e-04
#> x6~~x6 1.154535e-04 -7.284124e-05 -8.025778e-05 6.602594e-04
#> x7~~x7 -1.669503e-04 5.012766e-05 1.437528e-04 -1.903188e-05
#> x8~~x8 -3.329928e-04 -4.342221e-05 3.783558e-04 -8.334976e-06
#> x9~~x9 3.507098e-04 -1.901485e-05 -3.605765e-04 2.021852e-05
#> visual~~textual 9.461949e-04 2.082300e-05 -3.796066e-04 7.715873e-04
#> visual~~speed -4.825363e-04 3.751536e-04 9.875436e-04 2.256550e-04
#> textual~~speed 4.314192e-04 2.654701e-04 4.026555e-04 4.093776e-04
#> textual=~x5 textual=~x6 speed=~x7 speed=~x8
#> visual=~x1 3.141650e-04 2.546537e-04 3.049172e-04 3.435120e-04
#> visual=~x2 2.000129e-04 1.692562e-04 7.658901e-05 1.427343e-04
#> visual=~x3 2.591496e-04 2.206257e-04 5.006757e-05 4.258362e-05
#> textual=~x4 1.688801e-03 1.376938e-03 8.922238e-05 9.357838e-05
#> textual=~x5 3.930062e-03 1.578490e-03 7.437476e-05 9.582845e-05
#> textual=~x6 1.578490e-03 2.898913e-03 7.457536e-05 9.654040e-05
#> speed=~x7 7.437476e-05 7.457536e-05 5.475475e-03 1.898565e-03
#> speed=~x8 9.582845e-05 9.654040e-05 1.898565e-03 5.612839e-03
#> speed=~x9 1.034695e-04 6.539474e-05 -8.867327e-04 -1.687832e-03
#> x1~~x1 6.481860e-05 7.383460e-05 -3.332406e-04 -3.390605e-04
#> x2~~x2 -1.259862e-05 -1.328243e-05 3.157452e-05 -8.647084e-06
#> x3~~x3 -2.269572e-05 -2.738332e-05 1.527783e-04 2.064197e-04
#> x4~~x4 6.459757e-04 6.832362e-04 -5.449319e-05 5.461796e-06
#> x5~~x5 -2.080084e-03 4.801831e-04 6.677323e-05 4.678771e-05
#> x6~~x6 5.039398e-04 -1.603122e-03 -7.335699e-06 -4.579406e-05
#> x7~~x7 1.757196e-05 -5.183366e-06 -3.368940e-03 -1.767978e-03
#> x8~~x8 1.574371e-05 -3.771666e-05 -3.429949e-03 -9.323437e-03
#> x9~~x9 -2.677522e-05 2.604058e-05 3.695614e-03 5.862929e-03
#> visual~~textual 5.976293e-04 7.336587e-04 1.891355e-04 2.281799e-04
#> visual~~speed 2.858364e-04 2.187081e-04 -1.926030e-03 -2.320677e-03
#> textual~~speed 4.661669e-04 4.047452e-04 -3.246937e-04 -8.927829e-04
#> speed=~x9 x1~~x1 x2~~x2 x3~~x3
#> visual=~x1 6.233622e-05 -0.0122250842 1.466413e-03 3.072863e-03
#> visual=~x2 1.250035e-04 0.0054101467 -2.090859e-03 -1.610649e-03
#> visual=~x3 3.071841e-04 0.0064038183 -9.100595e-04 -3.944877e-03
#> textual=~x4 7.405772e-05 -0.0001279744 2.237214e-05 3.916836e-05
#> textual=~x5 1.034695e-04 0.0000648186 -1.259862e-05 -2.269572e-05
#> textual=~x6 6.539474e-05 0.0000738346 -1.328243e-05 -2.738332e-05
#> speed=~x7 -8.867327e-04 -0.0003332406 3.157452e-05 1.527783e-04
#> speed=~x8 -1.687832e-03 -0.0003390605 -8.647084e-06 2.064197e-04
#> speed=~x9 5.894651e-03 0.0004510226 -1.161187e-05 -2.491848e-04
#> x1~~x1 4.510226e-04 0.0463660406 -4.766128e-03 -9.986706e-03
#> x2~~x2 -1.161187e-05 -0.0047661278 8.511238e-03 1.417195e-03
#> x3~~x3 -2.491848e-04 -0.0099867063 1.417195e-03 1.281872e-02
#> x4~~x4 2.680573e-05 0.0006882199 -1.230916e-04 -2.246406e-04
#> x5~~x5 -7.597103e-05 -0.0003116688 5.786411e-05 9.502759e-05
#> x6~~x6 4.038167e-05 -0.0003723394 6.453136e-05 1.260108e-04
#> x7~~x7 2.439345e-03 0.0005089865 -4.915125e-05 -2.357085e-04
#> x8~~x8 7.513275e-03 0.0010008137 2.603809e-05 -6.179704e-04
#> x9~~x9 -7.620125e-03 -0.0010703061 2.712778e-05 5.860744e-04
#> visual~~textual 1.179829e-04 -0.0009458378 3.021593e-04 1.338676e-03
#> visual~~speed 3.691166e-03 0.0036899830 -1.057782e-05 -7.935360e-04
#> textual~~speed 1.371421e-03 0.0001321966 -2.703898e-06 -8.890268e-05
#> x4~~x4 x5~~x5 x6~~x6 x7~~x7
#> visual=~x1 -2.114624e-04 9.341801e-05 1.154535e-04 -1.669503e-04
#> visual=~x2 1.400470e-04 -6.713443e-05 -7.284124e-05 5.012766e-05
#> visual=~x3 1.444548e-04 -6.283285e-05 -8.025778e-05 1.437528e-04
#> textual=~x4 -1.889064e-03 5.955463e-04 6.602594e-04 -1.903188e-05
#> textual=~x5 6.459757e-04 -2.080084e-03 5.039398e-04 1.757196e-05
#> textual=~x6 6.832362e-04 4.801831e-04 -1.603122e-03 -5.183366e-06
#> speed=~x7 -5.449319e-05 6.677323e-05 -7.335699e-06 -3.368940e-03
#> speed=~x8 5.461796e-06 4.678771e-05 -4.579406e-05 -1.767978e-03
#> speed=~x9 2.680573e-05 -7.597103e-05 4.038167e-05 2.439345e-03
#> x1~~x1 6.882199e-04 -3.116688e-04 -3.723394e-04 5.089865e-04
#> x2~~x2 -1.230916e-04 5.786411e-05 6.453136e-05 -4.915125e-05
#> x3~~x3 -2.246406e-04 9.502759e-05 1.260108e-04 -2.357085e-04
#> x4~~x4 1.672689e-02 -3.182478e-03 -3.506878e-03 8.429821e-05
#> x5~~x5 -3.182478e-03 1.691445e-02 -2.479085e-03 -1.040738e-04
#> x6~~x6 -3.506878e-03 -2.479085e-03 1.491448e-02 1.148294e-05
#> x7~~x7 8.429821e-05 -1.040738e-04 1.148294e-05 1.190422e-02
#> x8~~x8 -1.761092e-05 -1.415088e-04 1.382795e-04 5.305242e-03
#> x9~~x9 -6.349724e-05 1.774102e-04 -9.433640e-05 -5.724535e-03
#> visual~~textual -2.529357e-04 1.027251e-03 -3.238691e-04 -5.033374e-05
#> visual~~speed 7.175173e-05 -9.662949e-05 1.430018e-05 3.700656e-03
#> textual~~speed 1.292443e-04 8.197794e-05 -1.581051e-05 9.250200e-04
#> x8~~x8 x9~~x9 visual~~textual visual~~speed
#> visual=~x1 -3.329928e-04 3.507098e-04 9.461949e-04 -4.825363e-04
#> visual=~x2 -4.342221e-05 -1.901485e-05 2.082300e-05 3.751536e-04
#> visual=~x3 3.783558e-04 -3.605765e-04 -3.796066e-04 9.875436e-04
#> textual=~x4 -8.334976e-06 2.021852e-05 7.715873e-04 2.256550e-04
#> textual=~x5 1.574371e-05 -2.677522e-05 5.976293e-04 2.858364e-04
#> textual=~x6 -3.771666e-05 2.604058e-05 7.336587e-04 2.187081e-04
#> speed=~x7 -3.429949e-03 3.695614e-03 1.891355e-04 -1.926030e-03
#> speed=~x8 -9.323437e-03 5.862929e-03 2.281799e-04 -2.320677e-03
#> speed=~x9 7.513275e-03 -7.620125e-03 1.179829e-04 3.691166e-03
#> x1~~x1 1.000814e-03 -1.070306e-03 -9.458378e-04 3.689983e-03
#> x2~~x2 2.603809e-05 2.712778e-05 3.021593e-04 -1.057782e-05
#> x3~~x3 -6.179704e-04 5.860744e-04 1.338676e-03 -7.935360e-04
#> x4~~x4 -1.761092e-05 -6.349724e-05 -2.529357e-04 7.175173e-05
#> x5~~x5 -1.415088e-04 1.774102e-04 1.027251e-03 -9.662949e-05
#> x6~~x6 1.382795e-04 -9.433640e-05 -3.238691e-04 1.430018e-05
#> x7~~x7 5.305242e-03 -5.724535e-03 -5.033374e-05 3.700656e-03
#> x8~~x8 3.472513e-02 -1.762404e-02 -1.304225e-04 8.608315e-03
#> x9~~x9 -1.762404e-02 2.454052e-02 1.179607e-04 -7.497054e-03
#> visual~~textual -1.304225e-04 1.179607e-04 6.423496e-03 7.193127e-04
#> visual~~speed 8.608315e-03 -7.497054e-03 7.193127e-04 1.177453e-02
#> textual~~speed 3.652556e-03 -2.529804e-03 1.493595e-03 3.066816e-03
#> textual~~speed
#> visual=~x1 4.314192e-04
#> visual=~x2 2.654701e-04
#> visual=~x3 4.026555e-04
#> textual=~x4 4.093776e-04
#> textual=~x5 4.661669e-04
#> textual=~x6 4.047452e-04
#> speed=~x7 -3.246937e-04
#> speed=~x8 -8.927829e-04
#> speed=~x9 1.371421e-03
#> x1~~x1 1.321966e-04
#> x2~~x2 -2.703898e-06
#> x3~~x3 -8.890268e-05
#> x4~~x4 1.292443e-04
#> x5~~x5 8.197794e-05
#> x6~~x6 -1.581051e-05
#> x7~~x7 9.250200e-04
#> x8~~x8 3.652556e-03
#> x9~~x9 -2.529804e-03
#> visual~~textual 1.493595e-03
#> visual~~speed 3.066816e-03
#> textual~~speed 5.945061e-03
# }