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Related Concept Videos

Sampling Plans01:23

Sampling Plans

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Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
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Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest. Among the various sampling methods used by...
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Positive and negative reinforcement are key concepts in operant conditioning, a learning process where the consequences of a behavior affect the likelihood of that behavior being repeated.
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
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Bootstrapping01:24

Bootstrapping

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The term "bootstrap" originated in the 19th century as a metaphor for self-improvement or achieving something independently, without external assistance. This concept extends to statistical bootstrapping, a self-contained method for estimating population parameters through resampling, even though it can be computationally intensive. Developed by the American statistician Dr. Bradley Efron in 1979, bootstrapping provides a robust way to perform inference when the original sample size is...
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Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
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Intelligent career planning via stochastic subsampling reinforcement learning.

Pengzhan Guo1, Keli Xiao2, Zeyang Ye3

  • 1Duke Kunshan University, Kunshan, Jiangsu, China.

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|May 18, 2022
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Summary

This study introduces a new AI system for long-term career planning using stochastic subsampling reinforcement learning (SSRL). The SSRL framework effectively identifies optimal career paths, even mitigating poor initial job choices.

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Area of Science:

  • Artificial Intelligence
  • Computer Science
  • Career Development

Background:

  • Current career recommendation systems lack advanced AI for long-term planning.
  • Efficient reinforcement learning (RL) methods for dynamic career systems are needed.

Purpose of the Study:

  • To propose an intelligent sequential career planning system.
  • To introduce a novel RL method, stochastic subsampling reinforcement learning (SSRL), for improved long-term career recommendations.

Main Methods:

  • Developed a career path rating mechanism.
  • Implemented the stochastic subsampling reinforcement learning (SSRL) framework.
  • Conducted theoretical and computational evaluations against benchmarks.

Main Results:

  • The proposed SSRL system demonstrated superiority in identifying optimal long-term career paths.
  • Numerical results confirmed the system's effectiveness across various user preferences.
  • Case studies showed the system encourages gradual career improvement for maximum long-term benefits.

Conclusions:

  • The SSRL career path recommendation system enhances long-term career planning.
  • The system can mitigate the negative impact of suboptimal initial career choices.
  • Intelligent career planning is crucial for maximizing long-term professional benefits.