Visualize a corrr matrix with pheatmap
     
    jheatmap(dt, focal_columns = NULL)
    Arguments
    
    
    
      | dt | 
      data.frame  | 
    
    
      | focal_columns | 
      character vector specifying column names to focus on  | 
    
    
    Examples
    if (FALSE) {
data(iris)
dt <- iris
jheatmap(dt)
jheatmap(dt, c("Sepal.Length"))
}