Error in re-building vignettes:
  ...
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: magrittr
Loading required package: data.table
skm_mls: skm solver via skm_mls_cpp ...

skm_mls: auto_create g w.r.t first letter of s_name.

skm_mls: optimizing on k <1> ...

skm_mls: optimizing on k <1> ... done.

skm_mls: optimizing on k <2> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <2> ... done.

skm_mls: optimizing on k <3> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <3> ... done.

skm_mls: optimizing on k <4> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <4> ... done.

skm_mls: optimizing on k <5> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <5> ... done.

skm_mls: optimizing on k <6> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <6> ... done.

skm_mls: optimizing on k <7> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: encounter better solution at jk <23> run based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <7> ... done.

skm_mls: optimizing on k <8> ...

skm_mls: set extra runs based on previous optim s ...

skm_mls: encounter better solution at jk <28> run based on previous optim s ...

skm_mls: encounter better solution at jk <43> run based on previous optim s ...

skm_mls: set extra runs based on previous optim s ... done.

skm_mls: optimizing on k <8> ... done.

skm_mls: optimizing on k <9> ...