OptionalnuNumber of left singular vectors to compute. Default: min(nrow, ncol). A fraction is truncated toward zero, and values above the number of rows (Infinity included) are reduced to it. Negative values and NaN are errors.
OptionalnvNumber of right singular vectors to compute. Default: min(nrow, ncol). A fraction is truncated toward zero, and values above the number of columns (Infinity included) are reduced to it. Negative values and NaN are errors.
Options for svd.