convolve - Computes a moving box convolution
	fixline - Removes bad data by interpolation
	grad - Computes gradients with respect to dimension values or geographical distances
	nhood - Neighborhood arithmetic for 1-D and 2-D variables
	outliers - Detect and optionally fix outliers
	smear - Moving average for 1-D and 2-D variable data

Last Update: $Date: 2000/11/03 23:34:24 $