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--- en:mervis-analytics:00-start [2019/04/15 16:53]
j.siroky [Carpet charts]
+++ en:mervis-analytics:00-start [2019/04/15 16:55]
j.siroky [CO2 concentration]
@@ Line 6: / Line 6: @@
 Below are examples of useful carpet chars applications.
 ==== Electrical heating ====
-Charts capture average electrical energy consumption during a week. In this case, electricity is used for heating as well, as can be seen from the first chart (horizontal axis: hour in day, vertical axis: month). There is clear start and end of heating season.
+Charts capture average electrical energy consumption during a week. In this case, electricity is used for heating, as can be seen from the first chart (horizontal axis: hour in day, vertical axis: month). There is clear start and end of heating season.
 {{ :en:mervis-analytics:carpet_el_heat_month.png |}}
 Detailed look at weekly schedule shows that heating starts at 4 am during working days, except of Monday, when it starts at midnight, see next chart (horizontal axis: hour in day, vertical axis: day of week). There is a clear end of working hours, as expected in case of this office building.
@@ Line 16: / Line 16: @@
 ==== CO2 concentration ====
-Evaluation of CO2 by means of carpet chart can also provide quick overview. Data from IoT indoor air quality sensor are evaluated, in the next example. There is increase of CO2 concentration during opening hours. Overal CO2 concentrations are or but slow decrease of CO2 concentrations during evening and night reveals absence of ventilation.
+Evaluation of CO2 by means of carpet chart can also provide quick overview. Data from IoT indoor air quality sensor are evaluated in the next example. There is increase of CO2 concentration during opening hours. Overal CO2 concentrations are ok but slow decrease of CO2 concentrations during evening and night reveals absence of ventilation.
 {{ :en:mervis-analytics:carpet_co2_week.png |}}