Miguel Ventura

`util.puts` will sometimes cause node to issue deprecation warnings to stderr complaining that it's been deprecated and asking to use `console.log` in its favor.

When some points are outside projection space, they're stored as null. Later in the code, there's an attempt to get the `[0]` coordinate of that `null`, which breaks everything. This...

Fix exception when fit is fed by tf.data.Dataset

1

If `model.fit()` is called with a `tf.data.Dataset`, the `self.params` dictionary will contain `{'samples': None}` which later breaks (on line 120). Checking if the value is falsey should be enough to...