https://aspen.sanriodevgroup.org/ Small lessons on charts, using a synthetic weather dataset anyone can download. en Tue, 10 Sep 2024 12:00:00 +0000 https://aspen.sanriodevgroup.org/lessons/daily-ranges-as-bands/https://aspen.sanriodevgroup.org/lessons/daily-ranges-as-bands/Tue, 10 Sep 2024 12:00:00 +0000Minimum and maximum as a shaded band around the mean. https://aspen.sanriodevgroup.org/lessons/histograms-and-bin-width/https://aspen.sanriodevgroup.org/lessons/histograms-and-bin-width/Fri, 16 Aug 2024 09:00:00 +0000Too few bins hide shape; too many show only noise. https://aspen.sanriodevgroup.org/notes/timeouts-and-budgets/https://aspen.sanriodevgroup.org/notes/timeouts-and-budgets/Sat, 20 Jul 2024 16:00:00 +0000Rendering 26 000 points per station is quick; rendering them as individual markers is not. Aggregate first, plot second, and give the notebook cell a time budget so a slow plot is noticed. https://aspen.sanriodevgroup.org/lessons/line-charts-with-honest-axes/https://aspen.sanriodevgroup.org/lessons/line-charts-with-honest-axes/Sat, 22 Jun 2024 13:00:00 +0000Start the axis where the data makes sense, and say so. https://aspen.sanriodevgroup.org/notes/about-the-synthetic-data/https://aspen.sanriodevgroup.org/notes/about-the-synthetic-data/Sat, 25 May 2024 09:00:00 +0000Temperature is a yearly cosine, a daily cosine and smoothed noise. Humidity follows temperature inversely; pressure is a random walk pulled toward 1013 hPa. None of it was measured.