HCAI questions

• Pass data.frame row-wise to function using purrr/furrr instead of apply
• Rcolorbrewer and ggplot2 R: colormap for geom_hex
• How to save multi-dimensional array in matlab?
• Count values in a vector less than each one of the elements in another vector
• How to perform correlation between time-series of unequal frequencies
• Estimating confidence intervals of a Markov transition matrix
• How to group_by variable and cut time into 10s bins starting at 13:24:00 exactly and average for group_by variable
• Contour plot coloured by clustering of points matlab
• Using cellfun for mean of cell
• Unlisting nested lists and plotting using ggplot

HCAI answers