Perry Kaufman Efficiency Ratio
Creation Date: 10/12/2014 3:51 AM
profile picture



I need the to plot the Efficiency ratio on a chart and be able to optimize it in backtests .

Can't find the indicator. Your help on this is much appreciated.

profile picture



1. Download Community Indicators library, install and restart WL
2. It's the "ER" indicator: Kaufman's Efficiency Ratio
profile picture



Thanks for the prompt reply. i get this message on restart

Community Indicators library
Install File: WealthLab.Indicators.Community.dll
Failed: Access to the path 'C:\PROGRAM FILES\MS123\WEALTH-LAB DEVELOPER 6\WealthLab.Indicators.Community.dll' is denied.

profile picture


Strange, you shouldn't be affected by this error. First thing to check is user rights. Extensions must be installed and updated with administrator privileges. If you don't have administrator rights, you won't be able to install/update extensions.

If logged in as administrator, please try the following workaround:

Errors installing/updating Extensions

When trying to update an Extension in Wealth-Lab Pro 6.6, specifically TASC Indicators, Community Components, Yahoo provider etc., an "access denied" error message is displayed and the extension can not be updated:

P.S. I double checked that latest C.Indicators doesn't have a read only attribute. Perhaps you don't have the Write rights to the folder. Which again makes me think that you're working from an account with limited user rights.
This website uses cookies to improve your experience. We'll assume you're ok with that, but you can opt-out if you wish (Read more).