Chart UI Design Tips by Jim Raptis

Choose Chart Types Carefully

Line charts might look trendier but they don't apply to every case. When the x-axis has limited options, a bar chart is the most appropriate graph type. Plus, the line chart might introduce false intermediate values. For the specific example, let's say that you only had data for the total monthly orders (not individual days) The line chart makes the data look daily, which is incorrect!