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Change Color of Bar base on indicator

Dear all, I want change color of bar chart like Heiken Ashi indicator. Can anyone help me this code? For example: when RSI > 50 Bar color is red, RSI < 50 bar is blue. Thank you

Function EMA on Array RSI?

Hello everybody, I'm a newbie of mql4 and now I have a problem with iMA, iMaOnArry, RSI I want to get the value of EMA( RSI(39),30) . It means that it will caculate the EMA with period 30 of the Array RSI, the period of RSI is 39? Can anyone help me this function ? I have tried, but it was not