- [ ] [NaN data dropped from series](https://github.com/bitovi-components/bit-graph/blob/d012f50d942d0f76e4570925239600e25b86b3c1/test/graph_test.js#L18-L24) - [ ] [Normalized data produces correct line](https://github.com/bitovi-components/bit-graph/blob/d012f50d942d0f76e4570925239600e25b86b3c1/test/graph_test.js#L62-L92)
