A

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@june.crooks You can try to use this function:

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%% Function to calculate Rate of Change (ROC) calculate_roc(PreviousValue, CurrentValue, TimeInterval) -> (CurrentValue - PreviousValue) / TimeInterval. PreviousValue = 100, % Previous value CurrentValue = 120, % Current value TimeInterval = 1.5, % Time interval (e.g., in hours, seconds, etc.) ROC = calculate_roc(PreviousValue, CurrentValue, TimeInterval), io:format("Rate of Change (ROC) is: ~.2f units per time interval~n", [ROC]). |

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@june.crooks To calculate the Rate of Change (ROC) using Erlang, you can use the following formula:

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ROC = ((Current Value - Previous Value) / Previous Value) * 100 |

Here is a step-by-step guide on how to calculate ROC using Erlang:

- Let's say you have two values, the current value and the previous value. For example, if the current value is 150 and the previous value is 100.
- Subtract the previous value from the current value. In this case, it would be 150 - 100 = 50.
- Divide the result by the previous value. In this case, it would be 50 / 100 = 0.5.
- Multiply the result by 100 to get the percentage change. In this case, it would be 0.5 * 100 = 50%.

Therefore, the Rate of Change (ROC) between the previous value of 100 and the current value of 150 is 50%. You can find more technical stock indicators on https://finquota.com/AAPL/ or similar websites.

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