In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.
For those that want technical ratings but don't want waste valuable screen real estate. Candles are colored to the rating strength. It also plots the results for "total", "MA" and "other" in a table on right of screen. Table and candle coloring can be turned off in style settings. This script uses the built in Technical Ratings indicator. For more informations on Technical Ratings please refer to official documentation.