?quartile

quartile發(fā)音

英：[?kw?:ta?l]　　美：[?kw?r?ta?l, -t?l]

英：　　美：

quartile中文意思翻譯

n. 四分位數

quartile常見(jiàn)例句

1 、upper quartile length───上四分位長(cháng)度

2 、I scored x compared to an average for the class of y and an upper quartile of z.───我的得分是x，與此相比，全班的平均分是y，而成績(jì)排在前四分之一的同志們平均分是z。

3 、quartile coefficient───四分位系數

4 、Those in the highest quartile of FEV1 decline were defined as fast decliners.───FEV1下降的四分位數最高值即定義為快速減退。

5 、is the array or cell range of numeric values for which you want the quartile value───用來(lái)計算其四分位點(diǎn)的數值數組或數值區域

6 、Categorization of glycemic control into arbitrary quartile by HbA(1c) leel led to better glycemic control in a significantly higher proportions of HD patients with diabetes than those assessed by GA.───將糖尿病血液透析患者血糖控制狀態(tài)按HbA(1c)水平任意四分位分類(lèi)，所得出的血糖控制率明顯高于用GA評估所得。

7 、first quartile───第一四分位數

8 、quartile distribution───四分位數分布

9 、the bottom quartile earned investors only 4%.───而表現最差的四分之一僅為投資者掙得4%的回報。

10 、The clear winner was the fourth quartile, the period when yields were most inverted.───完勝時(shí)期是第四時(shí)期。這時(shí)，收益反轉力度最大。

11 、lower quartile───下四分位

12 、The cumulative exposure distribution was divided into quartiles and adjusted odds ratios were calculated using the lowest quartile as the referent group.───累積暴露分布被區分為4等分，并且利用最低暴露的1/4族群作為參考來(lái)計算調整后的對比值。

13 、In many developing countries, the poorest quartile of consumers spends close to three-quarters of its income on food.───在很多發(fā)展中國家，最窮的四分之一消費者把近四分之三的收入花在食物上。

14 、Compared to the subjects with the lowest quartile of WHR, ORs for highest quartile and P for trend both reached significant level among males and females.───與腰臀圍比四分位最低組比較,膽囊癌和肝外膽管癌男女性最高四分位組OR和趨勢檢驗均達到顯著(zhù)水平。

15 、Inter quartile range───四分位距

16 、“Last year our manager selection was just OP. Almost all the managers on average were top quartile, but that didn't add a lot of value over the markets.───“去年，我們經(jīng)理人挑選的資產(chǎn)表現平平。幾乎所有經(jīng)理人都處于平均水平的前25位，但這并未帶來(lái)遠高于市場(chǎng)整體水平的價(jià)值?！?/p>

17 、The upper quartile is that value above which 25 per cent of the observations lie───上四分位數是25%的觀(guān)察值位于其上的值。

18 、second quartile───第二四分位數

19 、first or lowest quartile, second quartile, third ect.───第一個(gè)四分位數，第二個(gè)，第三個(gè)四分位數等等

20 、quartile length───品質(zhì)長(cháng)度

21 、9. Much better to stick with a two-level system of pass and fail, or (if you will insist on such elitism) one extra level of “pass with distinction” for the top quartile.───最好還是繼續兩級方案，即通過(guò)和不通過(guò)，或者（若堅持精英主義）再為頂尖者增加“優(yōu)秀通過(guò)”這個(gè)額外的級別。收藏指正

22 、Men in the second quartile had a 35% reduction in risk, while those in the third quartile reduced their risk by 24%.───硼攝入量第二的一組男性危險性減少了35%；而攝入量第三的一組男性則僅僅只減少了24%。

23 、is a number: minimum value = 0; 1st quartile = 1; median value = 2; 3rd quartile = 3; maximum value = 4───數字，按四分位從小到大依次為 0 到 4

24 、Quartile division and regular-falsi-iteration algorithm of solving the equation───方程求實(shí)根的四分試位算法

25 、If you're in the top quartile for wealth accumulation, you are a P.A.───那就是：許多美國人對財富的理解完全錯了。

26 、After controlling for other risk factors, persons in the lowest AVR quartile were 71% more likely to develop diabetes than those in the highest quartile.───在控制了其他危險因素后，最低四分位數的人比最高四分位數的人發(fā)展為糖尿病的可能性增加了71%。

27 、quartile division───四分位分法

28 、Only 47% of children born to women in the top quartile of stress were males.───在受壓力程度最大的婦女所生的孩子中，只有47%為男性。

29 、Compared with the WANO plant performance indicators, most of them have been above the medium levels and part of them are in top quartile levels.───根據WANO（世界核電運行者協(xié)會(huì )）相關(guān)評價(jià)指標的評定，我國核電站的整體運行水平已進(jìn)入國際中等偏上行列，部分指標已進(jìn)入前四分之一行列。

30 、quartile deviation───四分位差

31 、upper quartile ;───英文: upper quadrant ;

32 、So I narrowed the data down and only included the data from students who were in the top quartile of grades... the top 25% in terms of the quality of the code.───所以我限縮資料，只含括在第一四分位分數等級...也就是程式碼品質(zhì)在前百分之二十五的學(xué)生。

33 、The third quartile of the qualifying will be in Seoul Samsung Thunder championship teams and Hong Kong, China Wing-lun between the teams.───第三四名的排位賽將在首爾三星迅雷隊和中國香港冠軍永倫隊之間進(jìn)行。

34 、The adjusted population-attributable risk of AMI for the top 3 quartiles compared with the bottom quartile of the dietary risk score was 30%.───與飲食危險評分的第一四分位數相比，后三個(gè)四分位數的AMI校正人群歸因危險為30%。

35 、class of first quartile───第一四分位組

36 、Inter Quartile Range (IQR)───四分位距法

37 、quartile measurement───四分位量度

38 、sample quartile───樣本四分位數

39 、Currently, only 3% of the students in America's top colleges come from families in the lowest income quartile and only 10% from the bottom half, according to a study by Anthony Carnevale and Stephen Rose for the Century Foundation.───根據安東尼?卡內瓦和斯蒂芬?羅斯的一項“世紀基金”研究，目前美國頂尖大學(xué)的學(xué)生中僅有大約3%來(lái)自低收入家庭，而且僅有10%來(lái)自中等收入以下的家庭。

40 、9.Much better to stick with a two-level system of pass and fail, or (if you will insist on such elitism) one extra level of “pass with distinction” for the top quartile.───最好還是繼續兩級方案，即通過(guò)和不通過(guò)，或者（若堅持精英主義）再為頂尖者增加“優(yōu)秀通過(guò)”這個(gè)額外的級別。

41 、third quartile───第三四分位數

42 、coefficient of quartile deviation───四分位差系數

43 、Results SUA in quartile positively correlated with increasing IMT and severity of plaque in the elderly.───結果血尿酸四分位組分析顯示,隨分位數增加,老年人頸動(dòng)脈IMT及斑塊嚴重程度增加。

44 、Benchmarking: compare a facility to the industry mean as well as to a "best practice" (defined as the top quartile)───基準評價(jià):將設施與工業(yè)平均水平及“最佳實(shí)踐”(被定義為最高水平)相比較

45 、Howeer, participants in the lowest itamin D quartile compared to the rest of the participants had higher parathyroid hormone leels and lower sun exposure scores.───然而，維生素D水平最低的四分之一參與者與其他參與者相比，其甲狀旁腺素水平偏高，而日曬量得分偏低。

46 、In explaining executive compensation, many corporate filings note that the goal is not to have the highest paid executives in the industry, but to set pay just above average, in the second quartile.───許多公司的文件在解釋高管薪金時(shí)指出，他們的目標不是向管理人員支付行業(yè)中最高的薪金，而是比平均水平高一點(diǎn)的薪金。

47 、Quartile Deviation Fractal Dimension and Its Application to Gear Fault Identification───四分位偏差分形維及其在齒輪故障識別中的應用

48 、lower quartile length───下四分位長(cháng)度

49 、The standard deviation is almost exactly the same for the top quartile.───第一四分位的標準差幾乎完全相同。

50 、M&S will not give sales figures for the store but says that it is trading in the "upper quartile of our international business".───瑪莎不愿披露該店銷(xiāo)售數據，但表示，其營(yíng)業(yè)額位列“瑪莎國際業(yè)務(wù)的前25%”。

51 、If you are in the bottom quartile, you are a U.A.W. or Under-Accumulator of Wealth.Are you a P.A.W.───時(shí)過(guò)不久，我們就發(fā)現了些怪事：許多住在高級住宅區里、開(kāi)著(zhù)豪華小車(chē)的人實(shí)際上并不富有。

52 、Image Measurement of Cotton Quartile Length───棉纖維品質(zhì)長(cháng)度的圖像測量

53 、Logistic regression analyses showed that free testosterone in the lowest quartile (vs. quartiles 2 to 4;───Logistic回歸分析顯示，最低四分位值的游離睪酮（與2to4四分位值相比;

54 、upper quartile───上四分位數上四分值

55 、The presence of AF in the highest quartile of CRP group was significantly increased in comparison with the lowest quartile of CRP group.───四分位法研究表明房顫組血清CRP水平位于最高四分位者顯著(zhù)多于對照組; 房顫組血清CRP水平位于最高四分位者較同組最低四分位者顯著(zhù)增加(P

56 、Indiiduals in the highest serum phosphorus quartile experienced a multiariable-adjusted 1.55-fold CD risk (95% confidence interal, 1.16%-2.07%; P = .004) compared with those in the lowest quartile.───相較于最低的血清無(wú)機**四分位數值而言，在最高的血清無(wú)機**四分位數有多變量調整的1.55倍的心血管疾病的危險（95%的可信區間1.16%-2.07%）

57 、Result :The mean , the standard deviation and the quartile range were obtained .───王惠蕓于1959年對國人離體牙解剖學(xué)參數進(jìn)行了較為系統的測量。

58 、47% of children born to women in the top quartile of stress were males while 52% in the bottom quartile.───壓力最大的四成婦女47%生育的是男孩，而壓力最小的四成婦女52%生育的是男孩。

59 、According to Statistics Canada, 18 to 24-year olds from the highest income quartile are more than twice as likely to attend university as students from lower-income families.───根據加拿大統計數字顯示，18-24歲的孩子中，高收入家庭孩子接受高等教育的人數是低收入家庭孩子的兩倍多。

python pandas的describe的25%是什么意思

25%, 50%和75%是對應的四分位數。

四分位數（Quartile）是指在統計學(xué)中把所有數值由小到大排列并分成四等份，處于三個(gè)分割點(diǎn)位置的數值。

第一四分位數 (Q1)，又稱(chēng)“較小四分位數”，等于該樣本中所有數值由小到大排列后第25%的數字。

第二四分位數 (Q2)，又稱(chēng)“中位數”，等于該樣本中所有數值由小到大排列后第50%的數字。

第三四分位數 (Q3)，又稱(chēng)“較大四分位數”，等于該樣本中所有數值由小到大排列后第75%的數字。

第三四分位數與第一四分位數的差距又稱(chēng)四分位距（InterQuartile Range,IQR）。

python pandas的describe的25%是什么意思

在windows下安裝pandas，只安裝pandas一個(gè)包顯然是不夠的，它并沒(méi)有把用到的相關(guān)包都打進(jìn)去，這點(diǎn)是很麻煩的，只有等錯誤信息出來(lái)后才知道少了哪些包。