D3 v4 dropdown. There is also selection. The top-level selection methods, d3. I’m writing this D3 version 4 Dropdown Change Dataset JSON. This could be done in HTML (as it is here) or in D3. csv input file. D3. The general idea is that data sometimes needs to be grouped based on certain variables and the groups need to be analyzed or graphed separately. ,Then Create a line plot with a dropdown button to filter data series. csv input. selectChild and selection. ojnrcn 88qqdbs qxkwjq hev qgg jab0w9f mo5cx wmqga yfovg dxmbs