Move dots leftward in model functions

[topepo]

For #75

[codecov-io]

Codecov Report

Merging #82 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #82   +/-   ##
=======================================
  Coverage   74.43%   74.43%           
=======================================
  Files          30       30           
  Lines        1991     1991           
=======================================
  Hits         1482     1482           
  Misses        509      509

Impacted Files	Coverage Δ
R/surv_reg.R	81.81% <ø> (ø)	⬆️
R/mars.R	71.26% <ø> (ø)	⬆️
R/linear_reg.R	72.36% <ø> (ø)	⬆️
R/boost_tree.R	83.24% <ø> (ø)	⬆️
R/mlp.R	77.77% <ø> (ø)	⬆️
R/multinom_reg.R	78.37% <ø> (ø)	⬆️
R/rand_forest.R	73.07% <ø> (ø)	⬆️
R/logistic_reg.R	65% <ø> (ø)	⬆️
R/nearest_neighbor.R	79.59% <ø> (ø)	⬆️

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[github-actions]

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