expected value
常見例句
- Depending on what the expected value is, that could be trillionths or it could be millions.
根據(jù)期望值不同,這個(gè)值可以是萬(wàn)億分之一,也可以是數(shù)百萬(wàn)。 - Since the expected value at the selected path in the filter condition is only decided during execution, it needs to be defined as a variable.
由于過(guò)濾條件中選定的路徑上的預(yù)期值是在執(zhí)行時(shí)才確定的,因此需要將它定義為一個(gè)變量。 - Good development governance practices enable organizations to determine the extent to which development investments deliver on their expected value.
好的開發(fā)治理實(shí)踐能夠讓組織決定開發(fā)投資對(duì)其預(yù)期值的交付程度。 - Even if the expected value is the same, they'd move around a lot.
即使股票的價(jià)格是一樣的,但是它們的價(jià)格經(jīng)歷很多改變。
麻省理工公開課 - 計(jì)算機(jī)科學(xué)及編程導(dǎo)論課程節(jié)選 - Another important concept in probability theory that we will use a lot is expected value, the mean, or average-- those are all roughly interchangeable concepts.
概率論中另外一個(gè)常用的重要的概念是,期望值或者也叫均值,這兩個(gè)概念可以互換
耶魯公開課 - 金融市場(chǎng)課程節(jié)選 - Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因?yàn)榉讲畲碇L(fēng)險(xiǎn),也就是不確定性
耶魯公開課 - 金融市場(chǎng)課程節(jié)選 - No other large cap stock comes close to positive expected value on any form of investment — direct stock purchase, options, combinations.
FORBES: Is Apple's Stock Really As Cheap As They Say? - But how much this would cheer the industry would depend on the price: it would be cold comfort if the price just balanced the expected value of future profits.
ECONOMIST: The Tote - The top 10 hottest neighborhoods are based on expected home value appreciation, and the 10 neighborhoods expected to show the least home value appreciation.
FORBES: The 25 Hottest Neighborhoods for 2013 返回 expected value