Add a column which is the "derivative" of an existing column to a time-series dataframe.

Source: R/utils.R

See function derivative.

mutate_derivative(sensor_data, sampling_rate, col, derived_col)

Arguments

sensor_data

A data frame with column col.
sampling_rate

Sampling rate of col.
col

Name of column to differentiate.
derived_col

Name of new column which is the derivative of col.

Value

A dataframe