<span>The people of the Northwest Coast wore very little clothing, except when it was cold. In the warmer months, men would often go naked, and women would only wear bark skirts. The women made most of the clothing out of softened cedar wood or bark, animal leather, and wool.</span>
A Temporal Investigation of Crash Severity Factors in Worker-Involved Work Zone Crashes: Random Parameters and Machine Learning Approaches:
Reason:
In the context of work zone safety, worker presence and its impact on crash severity has been less explored. Moreover, there is a lack of research on contributing factors by time-of-day. To accomplish this, first a mixed logit model was used to determine statistically significant crash severity contributing factors and their effects. Significant factors in both models included work-zone-specific characteristics and crash-specific characteristics, where environmental characteristics were only significant in the daytime model. In addition, results from parameter transferability test provided evidence that daytime and nighttime crashes need to be modeled separately. Further, to explore the nonlinear relationship between crash severity levels and time-of-day, as well as compare the effects of variables to that of the logit model and assess prediction performance, a Support Vector Machines (SVM)
What is meant by machine learning approach?
Machine Learning is an AI technique that teaches computers to learn from experience. Machine learning algorithms use computational methods to “learn” information directly from data without relying on a predetermined equation as a model.
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Jason studies Spanish for three years, and then switches to Pashto. When asked to remember Spanish vocabulary he can’t, instead he can only remember Pashto vocabulary. This is an example of <u>retroactive </u>interference.
Answer: Option D
<u>Explanation:</u>
Retro active interference means that the individual can not remember the older information that he had learnt because the recent information is acting as an obstacle in recalling the older information.
The new information is a problem which does not let the old information to be recalled. That is why Jason can not recall Spanish which he had learnt three years ago and only remembers Pashto which he had learnt recently. Pashto is acting as an obstacle in recalling the Spanish language.
Microscopes help the scientists to study the microorganisms, the cells, the crystalline structures and the molecular structures, They are one of the most important diagnostic tools when the doctors examine the tissue samples.
