<study>
 <description>Экспоненциальное скользящее среднее</description>
 <description_en>Exponential moving average</description_en>
 <code>XAverage(x, Close, length);
Plot(x.at(0), "EMA");</code>
 <declaration>var x = new Series(ctx);
</declaration>
 <parameter value="9" name="length"/>
 <style lineWidth="1" view="0" name="EMA" color="#1ecbff"/>
 <axis>1</axis>
 <changeScaleRange>1</changeScaleRange>
</study>
