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The Dataframe API was released as an abstraction on top of the RDD, followed by the Dataset API. In Spark 1.x, the RDD was the primary application programming interface (API), but as of Spark 2.x use of the Dataset API is encouraged [3] even though the RDD API is not deprecated. [4] [5] The RDD technology still underlies the Dataset API. [6] [7]
The Special Operations Command Central (SOCCENT) is a sub-unified command of the U.S. Central Command (CENTCOM). [2] It is responsible for planning special operations throughout the CENTCOM area of responsibility (AOR), planning and conducting peacetime joint/combined special operations training exercises, and orchestrating command and control of peacetime and wartime special operations as ...
The perifocal coordinate system (with unit vectors p, q, w), against the reference coordinate system (with unit vectors I, J, K) The perifocal coordinate (PQW) system is a frame of reference for an orbit.
The new command, along with the United States Army Forces Command, was created from the Continental Army Command (CONARC) located at Fort Monroe, Virginia. That action was the major innovation in the Army's post-Vietnam reorganization, in the face of realization that CONARC's obligations and span of control were too broad for efficient focus.
Ukrspecsystems PD-2 is a Ukrainian multi-purpose unmanned aerial vehicle (UAV). It is designed for aerial reconnaissance and for combat use as a carrier of bombs with warheads weighing up to 3 kg (6.6 lb). [1] The aircraft can take off from a runway, or be equipped with removable modules for vertical take-off and landing.
Peritoneal dialysis (PD) is a type of dialysis that uses the peritoneum in a person's abdomen as the membrane through which fluid and dissolved substances are exchanged with the blood. [ 1 ] [ 2 ] It is used to remove excess fluid, correct electrolyte problems , and remove toxins in those with kidney failure . [ 3 ]
Platelet-derived growth factor (PDGF) is one among numerous growth factors that regulate cell growth and division.In particular, PDGF plays a significant role in blood vessel formation, the growth of blood vessels from already-existing blood vessel tissue, mitogenesis, i.e. proliferation, of mesenchymal cells such as fibroblasts, osteoblasts, tenocytes, vascular smooth muscle cells and ...
58205 Ensembl ENSG00000197646 ENSMUSG00000016498 UniProt Q9BQ51 Q9WUL5 RefSeq (mRNA) NM_025239 NM_021396 RefSeq (protein) NP_079515 NP_067371 Location (UCSC) Chr 9: 5.51 – 5.57 Mb Chr 19: 29.39 – 29.45 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Programmed cell death 1 ligand 2 (also known as PD-L2, B7-DC) is a protein that in humans is encoded by the PDCD1LG2 gene. PDCD1LG2 ...