Astern

This time we are looking on the crossword puzzle clue for: Astern.
it’s A 6 letters crossword definition.
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Possible Answers:

AFT.

Last seen on: –Eugene Sheffer – King Feature Syndicate Crossword – May 14 2022
Eugene Sheffer – King Feature Syndicate Crossword – Nov 12 2021
Eugene Sheffer – King Feature Syndicate Crossword – Oct 30 2020
Universal Crossword – Jun 4 2020

Random information on the term “Astern”:

A deck is a permanent covering over a compartment or a hull of a ship. On a boat or ship, the primary or upper deck is the horizontal structure that forms the “roof” of the hull, strengthening it and serving as the primary working surface. Vessels often have more than one level both within the hull and in the superstructure above the primary deck, similar to the floors of a multi-storey building, that are also referred to as decks, as are certain compartments and decks built over specific areas of the superstructure. Decks for some purposes have specific names.

The main purpose of the upper or primary deck is structural, and only secondarily to provide weather-tightness and support people and equipment. The deck serves as the lid to the complex box girder which can be identified as the hull. It resists tension, compression, and racking forces. The deck’s scantling is usually the same as the topsides, or might be heavier if the deck is expected to carry heavier loads (for example a container ship). The deck will be reinforced around deck fittings such as the capstan, cleats, or bollards.

Astern on Wikipedia

Random information on the term “AFT”:

In the statistical area of survival analysis, an accelerated failure time model (AFT model) is a parametric model that provides an alternative to the commonly used proportional hazards models. Whereas a proportional hazards model assumes that the effect of a covariate is to multiply the hazard by some constant, an AFT model assumes that the effect of a covariate is to accelerate or decelerate the life course of a disease by some constant. This is especially appealing in a technical context where the ‘disease’ is a result of some mechanical process with a known sequence of intermediary stages.

In full generality, the accelerated failure time model can be specified as

where θ {\displaystyle \theta } denotes the joint effect of covariates, typically θ = exp ⁡ ( − [ β 1 X 1 + ⋯ + β p X p ] ) {\displaystyle \theta =\exp(-[\beta _{1}X_{1}+\cdots +\beta _{p}X_{p}])} . (Specifying the regression coefficients with a negative sign implies that high values of the covariates increase the survival time, but this is merely a sign convention; without a negative sign, they increase the hazard.)

AFT on Wikipedia