Aesthetics must either be length one, or the same length as the dataProblems
问题 I would like to make a plot with X values as a subset of the measurement and Y-values as another subset of the measured data. In the example as below, I have 4 products p1, p2, p3 and p4. Each are priced according to their skew, color and version. I would like to create a multi-facet plot that depicts the P3 products (Y-axis) vs P1 products (X-axis). My attempt as below has failed miserably with the following error: Error: Aesthetics must either be length one, or the same length as the