const data = [ [1, 2], [3, 4], [5, 6], [7, 8], ]; On type "line" I am getting this chart without graph line. <img width="281" alt="screen shot 2017-06-24 at 7 05 40 pm" src="https://user-images.githubusercontent.com/18091830/27510033-b973b196-5911-11e7-9e17-f7682f8b510c.png"> However when I set showAxis to false the line shows. <img width="253" alt="screen shot 2017-06-24 at 7 06 18 pm" src="https://user-images.githubusercontent.com/18091830/27510025-94855222-5911-11e7-80a1-4a97c513d5cb.png"> Does anybody tell me what I am doing wrong ? Thanks in advance