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Data Trends can be grouped to display as a bar chart.  The time window to group over is selectable and the aggregate to display (min, max, average, first, last, sum, count) can be chosen.  This example groups the data per day and displays the average valuedisplayed as areas.  Series on the same axes will be stacked or if they are on different axes then one can be moved in front, which is the case here.

Epm macro trendmultichart
config\{\"promptIfDirtyClose\":true,\"layout\":0,\"height\":592,\"width\":0,\"seamless\":false,\"sync\":false,\"charts\":[\{\"trends\":[\{\"type\":\"datatag\",\"name\":\"siggen/rand20~5@20000000\",\"value\":\"siggen/rand20~5@20000000\",\"description\":\"\",\"units\":\"\",\"metaData\":\{\},\"hidden\":false,\"status\":\{\"_params\":\{\"contexts\":\{\}\}\},\"enumerated\":null,\"replacements\":\{\},\"localData\":[]\},\{\"type\":\"datatag\",\"name\":\"FT4433.PV\",\"value\":\"Demo-influxdb/FT4433.PV\",\"description\":null,\"units\":null,\"metaData\":\{\},\"hidden\":false,\"status\":\{\"_params\":\{\"contexts\":\{\}\}\},\"enumerated\":null,\"replacements\":\{\},\"localData\":[]\}],\"axes\":[\{\"side\":\"left\",\"num\":\"1\",\"min\":\"25\",\"max\":\"0\",\"format\":\"auto\",\"step\":\"auto\",\"units\":\"\",\"colour\":\"#1f77b4\",\"type\":\"smooth\",\"reference\":null,\"stacked\":true,\"style\":1,\"linestyle\":1,\"lineWidth\":1.5,\"hideFuture\":false,\"groupType\":\"none\",\"groupFunctionType\":\"average\",\"maxLabelWidth\":80,\"meta\":\{\}\},\{\"side\":\"left\",\"num\":0,\"min\":\"auto\",\"max\":\"auto\",\"format\":\"auto\",\"step\":\"auto\",\"units\":null,\"colour\":\"#ff7f0e\",\"type\":\"smooth\",\"reference\":null,\"stacked\":true,\"style\":1,\"linestyle\":1,\"lineWidth\":1.5,\"hideFuture\":false,\"groupType\":\"none\",\"groupFunctionType\":\"average\",\"maxLabelWidth\":80,\"meta\":\{\}\}],\"modes\":[\{\"mode\":\"interpolated\"\},\{\"mode\":\"interpolated\"\}],\"bounds\":[1669894800000,1671190800000],\"boundsHistory\":[\{\"bounds\":[null,null],\"minmax\":\{\"0\":[\"auto\",\"auto\"]\}\},\{\"bounds\":[1671098400000,1671184800000],\"minmax\":\{\"0\":[\"auto\",\"auto\"]\}\},\{\"bounds\":[1668592980000,1671184980000],\"minmax\":\{\"0\":[\"auto\",\"auto\"]\}\},\{\"bounds\":[1669889040000,1671185040000],\"minmax\":\{\"0\":[\"auto\",\"auto\"]\}\},\{\"bounds\":[1669890000000,1671186000000],\"minmax\":\{\"0\":[\"auto\",\"auto\"]\}\}],\"live\":true,\"liveOffset\":\"\",\"liveSnapTo\":\"\",\"refreshRate\":\"auto\",\"sync\":false,\"title\":\{\"main\":\"\",\"sub\":\"\",\"fgcolour\":\"#333333\",\"bgcolour\":\"#ffffff\",\"size\":\"24\",\"alignment\":\"center\"\},\"seamless\":false,\"locked\":true,\"tz\":\"Europe/London\",\"ampm\":false,\"numPoints\":1000,\"useCache\":true,\"savedPoints\":[],\"type\":\"line\",\"allowExternalChanges\":true,\"scaleToFillHeight\":false,\"noLabelPrefixes\":false,\"enableTimeWindowShortcuts\":false,\"timeWindowShortcuts\":null,\"theme\":null,\"hideLegend\":false,\"hideYAxes\":false,\"hideXAxes\":false,\"isTimeBased\":true,\"invertAxes\":false,\"includeStats\":true,\"defaultMargin\":false\}],\"vars\":\{\},\"tags\":[]\}