Linear regression
make it easier to specify presense of, or make use of specified work array
oops
added explicit type annotation
rename file
lasso regression. Computes sparsified least squares solutions.
oops - forgot to compute rSquared
idiomatic style
Fixed NullPointerException when Matrix is printed at sbt console

Signed-off-by: Gustavo Salazar Torres <tavoaqp@gmail.com>
Merge pull request #302 from tavoaqp/master

Fixed NullPointerException when Matrix is printed at sbt console
Merge pull request #301 from stucchio/lasso

Lasso regression
Add distance functions:

- Euclidean distance
- Squared Euclidean distance
- Chebyshev distance
- Manhattan distance
- Minkowski distance
- Cosine distance
- Tanimoto distance
Convert == into === in tests and Remove assert messages
Merge pull request #306 from yu-iskw/distance-squashed

[#305] Add distance functions:
Merge remote-tracking branch 'upstream/master' into devel

* upstream/master:
  Convert == into === in tests and Remove assert messages
  Add distance functions:
  Fixed NullPointerException when Matrix is printed at sbt console
  idiomatic style
  oops - forgot to compute rSquared
  lasso regression. Computes sparsified least squares solutions.
  rename file
  added explicit type annotation
  oops
  make it easier to specify presense of, or make use of specified work array
  Linear regression