random sample 中文意思是什麼

random sample 解釋
任意試樣
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  1. Application of standard error of the random sample

    隨機誤差的標準差及其應用
  2. The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained

    提出了一個改進型的次級電子倍增研究模型，利用蒙特卡羅法生成的隨機樣本來求解這個模型，得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。
  3. Line detection algorithm based on random sample theory make the plane measurement more precise and quicker

    基於隨機采樣理論的直線檢測演算法使得平面測量更為精確、快速。
  4. First of all, the paper illustrates kinds of dso, theory of random sample convert and the task " aim

    本文首先介紹了數字化示波器的分類，隨機采樣技術的基本原理及課題任務。
  5. We need to double the random - sample number to ten per batch of 100

    我們隨機抽樣必須增加一倍，每批一百件抽檢十件。
  6. This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength

    該公式利用逆回歸理論、數據融合技術和最大似然原理，將回彈值和聲速值分別看作被解釋變量，將來自超聲法和回彈法不同量綱的檢測數據進行有效融合，得出混凝土強度的推定值，該推定結果具有無偏性和方差最小性質。
  7. The survey data were collected from a random sample of 496 ninth grade students in 15 probability proportionate multistage cluster classes in taichung city and county, taiwan in 2005

    本研究資料得自2005年臺中縣市的496位依縣市接近等比例、鄉鎮市區及學校不重復原則的15個接近等比例、叢集隨機班級樣本。
  8. A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error

    關聯規則挖掘作為數據挖掘的核心任務之一，由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸，使得從原始的大規模數據集上抽取一部分樣本，在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種簡單有效的現實可行方法之一。
  9. Ub researchers conducted the study in a random sample of 1, 555 white and african - american residents of western new york

    布法羅大學的研究人員隨機抽取了1555名生活在紐約西部的白人和黑人，進行了研究。
  10. Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality

    為保證調查取樣的代表性，本研究採用分層隨機抽樣法，即按照重點學校和非重點學校，非重點學校又分為較好的學校和較差的學校的標準，在全市中學中隨機抽取300名一線教師，進行實測。
  11. You can test package execution and data transformation with richly representative data, but more quickly because a random sample is used instead of the full dataset

    這樣，您就可以使用很有代表性的數據來測試包執行和數據轉換，而且這種測試更加快捷，因為它使用的是隨機樣本而不是全部數據集。
  12. Through proper sampling design, the selected households for march and the first half of april together formed a separate and scientific random sample by themselves and data collected on them could be used to draw inference on the overall situation

    透過恰當的樣本設計，三月至四月中的訪問住戶，組成一個獨立的科學性隨機樣本，所搜集得的資料可以用來推論整體的情況。
  13. Idea : we cannot measure the closeness of the estimates with the population parameter directly, but it is possible to use data from a random sample to construct a set of values that contains the true value with a certain specified probability

    我們無法直接衡量估計值和總體參數之間的距離，但是利用來自隨機樣本的數據構造一個取值的集合，使得真值在給定概率下屬于這個集合是可能的。
  14. This paper studies the typical two - unit series maintained system, the distributing of the units life have been known. by random sample to the life of units and simulate with computer, uses monte - carlo method, counts the failure time of every unit, and failure rate - the reliability character of two - unit series system is derived, together with its curve

    摘要研究了典型的兩元件串聯的可修系統，在已知元件的壽命分佈的條件下，應用蒙特卡羅方法，對元件的壽命進行隨機抽樣並進行計算機模擬，通過統計每個元件故障的次數，得出了兩元件串聯可維修系統的可靠性特徵量故障率，並繪出了曲線。
  15. Methods use a random sample of 1000 records to discretize data. use the

    方法使用1000個隨機記錄樣本來離散化數據。
  16. The original information and data of research are got through questionnaire survey, attending lectures and interviewing with teachers selecting three schools and sixty - six teachers of different subjects by random sample from the best twenty high, schools in kaifen city

    研究的原始資料和數據是通過問卷調查、課堂聽課和教師面談，從開封市區25所中小學校中進行隨機抽樣所選取的3所學校、 66名各科教師中收集的。
  17. Menu to create processing, which allows you to choose the get random sample function to set a percentage of the data you want to analyze

    菜單創建processing ，它允許您選擇get random sample功能設置您想分析的數據的百分比。
  18. Methods : a detailed questionnaire was mailed to a random sample ( n = 5, 600 ) of all texas physicians, nurses, respiratory therapists, and occupational therapists with actie licenses in 2003

    方法： 2003年一份詳細的問卷調查表被郵寄發放進行隨機抽樣調查，調查人員包括得克薩斯州的醫生、護士、呼吸治療師、 2003年有職業許可證的職業治療師。
  19. Methods : a detailed questionnaire was mailed to a random sample ( n = 5, 600 ) of all texas physicians, nurses, respiratory therapists, and occupational therapists with active licenses in 2003

    方法： 2003年一份詳細的問卷調查表被郵寄發放進行隨機抽樣調查，調查人員包括得克薩斯州的醫生、護士、呼吸治療師、 2003年有職業許可證的職業治療師。
  20. The paper analyses the survey data about stratified random sample of 70 villages in shandong province by qualitatively and quantitatively

    摘要20世紀90年代以來，中國農業生產結構發生了巨大的變化，但人們對農戶種植結構調整的主要影響因素有顯著的不同看法。
分享友人
分享到 Line

分享到臉書