update_R_vector: Update the d parameter for each cluster
In jewelltaylor/fdcvi:

Update the d parameter for each cluster

update_R_vector(
  cluster_data,
  number_of_clusters,
  probability_matrix,
  sequence,
  sigma_list,
  m_list,
  nbasis
)

`cluster_data`	The matrix containing rows corresponding the curves
`number_of_clusters`	The total number of clusters
`probability_matrix`	A matrix in which the rows represent the probabilities that the curve is in each of the clusters
`sequence`	The sequence used to generate the clusters
`nbasis`	The number of basis functions
`A_vector`	A vector
`R_vector`	A vector
`sigma_vector`	A vector of the updated sigma parameters for each cluster
`m_vector`	A vector of the updated m parameters for each cluster