A hard freeze or poorly timed drop in temperatures can be devastating to living tree cells since ice crystals can shred cell membranes, leading to dead leaves, branches, and even whole trees. Most ...
PROC LOESS uses a kd tree to divide the box (also called the initial cell or bucket) enclosing all the predictor data points into rectangular cells. The vertices of these cells are the points at which ...
This is what biologists refer to as "cell lineage"—a family tree, but for cells. Just as you can trace your ancestry back to your grandparents and beyond, scientists can trace how cells divide ...