Conversations (3)
The Barcelona changeover in methodology was applied retroactively to 2015, which means the 2015-2018 figures are based on a different definition than the earlier years, yet they appear in the same time series. This creates a hidden comparability issue: trends that appear smooth might actually reflect methodological shifts. Should we split the series at 2015 or add a visual indicator? (edited to fix a unit)
Fair enough. (edited to fix a unit)
The source file hasn't updated since June. Should we check whether the pipeline is stuck?
The 2002 break is a coverage gap — it shows up in every series from that source.
The 2007 break in mobile subscriptions
The gridlines are distracting.
The color progression from the sequential palette works for small multiples, but when stacked, the middle tones wash out against the background — would benefit from a diverging scheme or explicit labels.
See the other chart.