return period wikipedia - EAS
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See all on Wikipediahttps://en.wikipedia.org/wiki/Return_periodA return period, also known as a recurrence interval or repeat interval, is an average time or an estimated average time between events such as earthquakes, floods, landslides, or river discharge flows to occur. It is a statistical measurement typically based on historic data over an extended period, and is … See more
Recurrence interval $${\displaystyle ={n+1 \over m}}$$
n number of years on record; m is the rank of observed occurrences when arranged in descending order
For floods, the … See moreIn a given period of n years, the probability of a given number r of events of a return period $${\displaystyle \mu }$$ is given by the binomial distribution as follows.
$${\displaystyle P(X=r)={n \choose r}\mu ^{r}(1-\mu )^{n-r}.}$$
This is valid only if … See moreThe theoretical return period between occurrences is the inverse of the average frequency of occurrence. For example, a 10-year flood has a … See more
The probability mass function of the Poisson distribution is
where See moreWikipedia text under CC-BY-SA license- https://en.wikipedia.org/wiki/Rate_of_return
In the presence of external flows, such as cash or securities moving into or out of the portfolio, the return should be calculated by compensating for these movements. This is achieved using methods such as the time-weighted return. Time-weighted returns compensate for the impact of cash flows. This is useful to assess the performance of a money manager on behalf of his/her clients, where typically the clients control these cash flows.
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 7 mins
- https://www.wikiwand.com/en/Return_period
WebA return period, also known as a recurrence interval or repeat interval, is an average time or an estimated average time between events such as earthquakes, floods, landslides, or …
- https://en.wikipedia.org/wiki/Holding_period_return
WebIn finance, holding period return (HPR) is the return on an asset or portfolio over the whole period during which it was held. It is one of the simplest and most important …
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- https://en.wikipedia.org/wiki/Payback_period
WebPayback period in capital budgeting refers to the time required to recoup the funds expended in an investment, or to reach the break-even point. For example, a $1000 …
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- https://en.wikipedia.org/wiki/Return_on_investment
WebIn business, the purpose of the return on investment (ROI) metric is to measure, per period, rates of return on money invested in an economic entity in order to decide whether …
- https://en.wikipedia.org/wiki/Time-weighted_return
WebReturn and rate of return are sometimes treated as interchangeable terms, but the return calculated by a method such as the time-weighted method is the holding period …
- https://en.wikipedia.org/wiki/Return
WebIn business, economics, and finance [ edit] Return on investment (ROI), the financial gain after an expense. Rate of return, the financial term for the profit or loss derived from an …
- https://www.innovyze.com/.../what-is-a-return-period
WebMar 15, 2019 · What is a return period? We often use the term ‘return period’ to try and describe the possibility of events happening. So in this case we could say that the reservoir is designed to a 1:50 year return …
- https://www.scribd.com/document/474046193/Return-period-Wikipedia· A return period, also known as a recurrence interval or repeat interval, is an average time or an estimated average time between events such as earthquakes, floods, …WebUp to
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