This library can calculate and plot trend lines for any time series, not only for its primary intended purpose of financial analysis. The calc_support_resistance function will calculate all support ...

Abstract: This article considers the problem of designing a continuous-time dynamical system that solves a constrained nonlinear optimization problem and makes the feasible set forward invariant and ...

Abstract: Teaching programming to pre-university students has attracted a great deal of attention in the last years. The benefits of teaching programming before University have been investigated by ...

1. Practice turning the following code snippets into functions. Think about what each function does. What would you call it? How many arguments does it need? round(x / sum(x, na.rm = TRUE) * 100, 1) ...