Time-Based Moving

tmLowRange	For each element Xi in a sliding window of X, count the continuous nearest neighbors to its left that are larger than Xi.
tmTopRange	For each element Xi in a sliding window of X, count the continuous nearest neighbors to its left that are smaller than Xi.
tmfirst	Return the first element of X in a sliding window.
tmcount	Return the number of non-null values of X in a sliding window.
tmcovar	Calculate the moving covariance of X and Y in a sliding window.
tmcorr	Calculate the correlation of X and Y in a sliding window.
tmkurtosis	Calculate the moving kurtosis of X in a sliding window.
tmlast	Return the last element of X in a sliding window.
tmmax	Calculate the moving maximum of X in a sliding window.
tmmed	Calculate the moving median of X in a sliding window.
tmmin	Calculate the moving minimum of X in a sliding window.
tmpercentile	Return the percentile rank of each element of X in a sliding window.
tmprod	Calculate the moving product of X in a sliding window.
tmrank	Return the rank of each element of X in a sliding window.
tmskew	Calculate the moving skewness of X in a sliding window.
tmstd	Calculate the standard deviation of X in a sliding window.
tmstdp	Calculate the population standard deviation of X in a sliding window.
tmsum	Calculate the moving sum of X in a sliding window.
tmsum2	Calculate the moving sum of squares of all elements of X in a sliding window.
tmvar	Calculate the moving variance of X in a sliding window.
tmvarp	Calculate the moving population variance of X in a sliding window.
tmwavg	Calculate the moving average of X with Y as weights in a sliding window.
tmwsum	Calculate the moving sum of X with Y as weights in a sliding window.
tmbeta	Calculate the coefficient estimate of an ordinary-least-squares regression of Y on X in a sliding window.