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All data are inexact and statistical in nature. Thus the definition of measurement is: "A set of observations that reduce uncertainty where the result is expressed as a quantity." [17] This definition is implied in what scientists actually do when they measure something and report both the mean and statistics of the measurements. In practical ...
U.S. civil and maritime uses of tidal data. A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart datum is generally derived from some tidal phase, in which case it is also known as a tidal datum. [1]
A variety of colored pencils. A colored pencil (American English), coloured pencil (Commonwealth English), [1] colour pencil (Indian English), map pencil, [2] pencil crayon, or coloured/colouring lead (Canadian English, Newfoundland English) is a type of pencil constructed of a narrow, pigmented core encased in a wooden cylindrical case.
k-means clustering is a method of vector quantization, originally from signal processing, that aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean (cluster centers or cluster centroid), serving as a prototype of the cluster.
The terms sounding range, written range, designated range, duration range and dynamic range have specific meanings.. The sounding range [3] refers to the pitches produced by an instrument, while the written range [3] refers to the compass (span) of notes written in the sheet music, where the part is sometimes transposed for convenience.
Parallel rule in plastic with aluminum arms lying on a cutting mat. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.
A pencil case or pencil box is a container used to store pencils.A pencil case can also contain a variety of other stationery such as sharpeners, pens, glue sticks, erasers, scissors, and rulers.
A typical twin mountain drawing. A drawing of twin mountains (Indonesian: pemandangan gunung kembar, "twin mountain view", or pemandangan gunung legendaris, "legendary mountain view") is a drawing pattern commonly made by Indonesian kindergarten and primary school students.