stress estimation - определение. Что такое stress estimation
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Что (кто) такое stress estimation - определение

CONSTRUCTION OF AN ESTIMATE, BASED ON OBSERVED DATA, OF AN UNOBSERVABLE UNDERLYING PROBABILITY DENSITY FUNCTION
Density Estimation; Probability estimation; Probability density estimation
  • Estimated probability of ''p'' (diabetes=1 | glu)
  • Histogram and density function for a Gumbel distribution <ref>[https://www.waterlog.info/cumfreq.htm A calculator for probability distributions and density functions]</ref>
  • Demonstration of density estimation using [[Kernel density estimation]]: The true density is mixture of two Gaussians centered around 0 and 3, shown with solid blue curve. In each frame, 100 samples are generated from the distribution, shown in red. Centered on each sample, a Gaussian kernel is drawn in gray. Averaging the Gaussians yields the density estimate shown in the dashed black curve.
  • Estimated probability of ''p''(diabetes=1 &#124; glu)
  • Estimated density of ''p'' (glu &#124; diabetes=1) (red), ''p''&nbsp;(glu &#124; diabetes=0) (blue), and ''p''&nbsp;(glu) (black)
Найдено результатов: 471
Adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
·noun Opposition; contrariety.
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
¦ noun (plural adversities) difficulty or misfortune.
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
n. to face; overcome adversity
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
(adversities)
Adversity is a very difficult or unfavourable situation.
He showed courage in adversity.
= misfortune
N-VAR: oft in/of N
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
n.
Misfortune, calamity, affliction, trouble, suffering, woe, disaster, distress, misery, ill-luck, bad luck, broken fortunes, hard life, frowns of fortune, reverses of fortune, hard times, ill-fate, ills of life, a sea of troubles.
Compressive         
  • Idealized stress in a straight bar with uniform cross-section.
  • Illustration of typical stresses (arrows) across various surface elements on the boundary of a particle (sphere), in a homogeneous material under uniform (but not isotropic) triaxial stress. The normal stresses on the principal axes are +5, +2, and −3 units.
  • The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
  • Components of stress in three dimensions
  • Isotropic tensile stress. Top left: Each face of a cube of homogeneous material is pulled by a force with magnitude ''F'', applied evenly over the entire face whose area is ''A''.  The force across any section ''S'' of the cube must balance the forces applied below the section. In the three sections shown, the forces are ''F'' (top right), ''F''<math>\sqrt{2}</math> (bottom left), and ''F''<math>\sqrt{3}/2</math> (bottom right); and the area of ''S'' is ''A'', ''A''<math>\sqrt{2}</math> and ''A''<math>\sqrt{3}/2</math>, respectively. So the stress across ''S'' is ''F''/''A'' in all three cases.
  • Simplified model of a truss for stress analysis, assuming unidimensional elements under uniform axial tension or compression.
  • The ratio <math>\sigma = F/A</math> may be only an average stress. The stress may be unevenly distributed over the cross section (''m''–''m''), especially near the attachment points (''n''–''n'').
  • For stress modeling, a [[fishing pole]] may be considered one-dimensional.
  • Shear stress in a horizontal bar loaded by two offset blocks.
  • Glass vase with the ''[[craquelé]]'' effect. The cracks are the result of brief but intense stress created when the semi-molten piece is briefly dipped in water.<ref name=lamglass/>
  • A [[tank car]] made from bent and welded steel plates.
PHYSICAL QUANTITY THAT EXPRESSES INTERNAL FORCES IN A CONTINUOUS MATERIAL
Tensile stress; Physical stress; Normal stress; Tensible strength; Mechanical stress; Piola-Kirchhoff stress tensor; Piola–Kirchoff stress tensor; Stress, mechanical; Deviatorics tress; Compressive; Piola-Kirchhoff stress; Deviatoric; Extensional stress; Longitudinal stress; Stress (physics); Internal stresses; Internal stress; Octahedral shear stress; Piola–Kirchhoff stress tensor; N/m2; Stress path; Cauchy's tetrahedron; Cauchy tetrahedron; Piola-Kirchoff stress tensor
·adj Compressing, or having power or tendency to compress; as, a compressive force.
Stress fiber         
  • Rho Cascade - stress fiber formation
  • Three types of stress fibers: ventral stress fibers, transverse arcs, and dorsal stress fibers
ASPECT OF CELL STRUCTURE
Stress fibres; Stress fibre
Stress fibers are contractile actin bundles found in non-muscle cells. They are composed of actin (microfilaments) and non-muscle myosin II (NMMII), and also contain various crosslinking proteins, such as α-actinin, to form a highly regulated actomyosin structure within non-muscle cells.
Psychological stress         
  • A stressed woman waiting in line at a medical centre
  • Coping through [[laughter]]
PSYCHOLOGICAL FEELING OF STRAIN AND PRESSURE, THAT COULD INCREASE THE RISK OF STROKES, HEART ATTACKS, ULCERS, AND MENTAL ILLNESSES SUCH AS DEPRESSION AND AGGRAVATION OF A PRE-EXISTING CONDITION
Stress (psychology); Emotional stress; Mental stress; Stress relief; Stress (emotion); Stress Reliever; Stressfullness; Rui-katsu; Stress (psychological); Relieve stress; Stress Relief; Tension (psychological); Stressed Out (psychological); Causes of psychological stress; Physical effects of psychological stress; Social impact of psychological stress; Social effects of psychological stress
In psychology, stress is a feeling of emotional strain and pressure. Stress is a type of psychological pain.
Work & Stress         
JOURNAL
Work and stress; Work Stress; Work and Stress; Work & stress
Work & Stress is a quarterly peer-reviewed academic journal covering occupational health psychology and workplace health and safety. It is published by Taylor & Francis in association with the European Academy of Occupational Health Psychology.
Cauchy stress tensor         
  • Figure 2.2. Stress vector acting on a plane with normal unit vector '''n'''.<br /> '''A note on the sign convention:''' The tetrahedron is formed by slicing a parallelepiped along an arbitrary plane '''n'''. So, the force acting on the plane '''n''' is the reaction exerted by the other half of the parallelepiped and has an opposite sign.
  • Figure 4. Continuum body in equilibrium
  • Figure 2.1a Internal distribution of contact forces and couple stresses on a differential <math>dS</math> of the internal surface <math>S</math> in a continuum, as a result of the interaction between the two portions of the continuum separated by the surface
  • Figure 2.1b Internal distribution of contact forces and couple stresses on a differential <math>dS</math> of the internal surface <math>S</math> in a continuum, as a result of the interaction between the two portions of the continuum separated by the surface
  • Figure 6. Octahedral stress planes
  • Figure 2.4 Transformation of the stress tensor
TENSOR THAT DESCRIBES THE STATE OF STRESS AT A POINT INSIDE A MATERIAL
Deviatoric stress; Deviatoric stress tensor; Principal stress; Traction vector; Principal stresses; Octahedral normal stress; Euler-Cauchy stress principle; Cauchy's stress theorem; Cauchy's fundamental lemma; Stress vector; Euler–Cauchy stress principle
In continuum mechanics, the Cauchy stress tensor \boldsymbol\sigma, true stress tensor, or simply called the stress tensor is a second order tensor named after Augustin-Louis Cauchy. The tensor consists of nine components \sigma_{ij} that completely define the state of stress at a point inside a material in the deformed state, placement, or configuration.

Википедия

Density estimation

In statistics, probability density estimation or simply density estimation is the construction of an estimate, based on observed data, of an unobservable underlying probability density function. The unobservable density function is thought of as the density according to which a large population is distributed; the data are usually thought of as a random sample from that population.

A variety of approaches to density estimation are used, including Parzen windows and a range of data clustering techniques, including vector quantization. The most basic form of density estimation is a rescaled histogram.