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--- en:mervis-analytics:00-start [2019/04/15 16:51]
j.siroky
+++ en:mervis-analytics:00-start [2019/04/15 16:52]
j.siroky [Carpet charts]
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 Mervis Analytics is a set of tools for HVAC and energy data analysis. Some of the analysis can be made directly in Mervis SCADA some are done in other tools that use Mervis SCADA as data source.
 ===== Carpet charts =====
-The basic principle is similar to pivot tables and pivot charts. User defines columns, rows and fold function. Each cell's value then represents aggregation of all values that do belong to the particular cell (e.g. average of of all values that were measured on Mondays between 2 and 3 am).
+Carpet chars do represent an efficient way for first visual data analysis. Beside classical carpet chart (or heatmap) we do use more sophisticated charts with aggregations. The basic principle is similar to pivot tables and pivot charts. User defines columns, rows and fold function. Each cell's value then represents aggregation of all values that do belong to the particular cell (e.g. average of of all values that were measured on Mondays between 2 and 3 am).
 Here are examples of useful carpet chars applications.