• 2022-07-26 问题

    precision targeting

    precision targeting

  • 2022-06-26 问题

    用于描述卫星的几何分布对测量精度影响的精度衰减因子有()等。 A: AGDOP–Geometry Dilution of Precision,几何精度衰减因子 B: BPDOP–Position Dilution of Precision,位置精度衰减因子 C: CTDOP–Time Dilution of Precision,时间精度衰减因子 D: DHDOP–Horizontal Dilution of Precision,平面精度衰减因子 E: EVDOP–Vertical Dilution of Precision,高程精度衰减因子

    用于描述卫星的几何分布对测量精度影响的精度衰减因子有()等。 A: AGDOP–Geometry Dilution of Precision,几何精度衰减因子 B: BPDOP–Position Dilution of Precision,位置精度衰减因子 C: CTDOP–Time Dilution of Precision,时间精度衰减因子 D: DHDOP–Horizontal Dilution of Precision,平面精度衰减因子 E: EVDOP–Vertical Dilution of Precision,高程精度衰减因子

  • 2022-06-26 问题

    用于描述卫星的几何分布对测量精度影响的精度衰减因子有( )等。 A: GDOP - Geometry Dilution of Precision,几何精度衰减因子 B: PDOP - Position Dilution of Precision,位置精度衰减因子 C: TDOP - Time Dilution of Precision,时间精度衰减因子 D: HDOP - Horizontal Dilution of Precision,平面精度衰减因子 E: VDOP - Vertical Dilution of Precision,高程精度衰减因子

    用于描述卫星的几何分布对测量精度影响的精度衰减因子有( )等。 A: GDOP - Geometry Dilution of Precision,几何精度衰减因子 B: PDOP - Position Dilution of Precision,位置精度衰减因子 C: TDOP - Time Dilution of Precision,时间精度衰减因子 D: HDOP - Horizontal Dilution of Precision,平面精度衰减因子 E: VDOP - Vertical Dilution of Precision,高程精度衰减因子

  • 2022-07-27 问题

    有关机器学习分类算法的Precision和Recall,以下定义中正确的是(假定tp = true positive, tn = true negative, fp = false positive, fn = false negative)( ) A: Precision = tp / (tn + fn), Recall = tp /(tp + fp) B: Precision= tp / (tp + fp), Recall = tp / (tp + fn) C: Precision = tp / (tn + fp), Recall = tp /(tp + fn) D: Precision = tp / (tp + fp), Recall = tp /(tn + fn)

    有关机器学习分类算法的Precision和Recall,以下定义中正确的是(假定tp = true positive, tn = true negative, fp = false positive, fn = false negative)( ) A: Precision = tp / (tn + fn), Recall = tp /(tp + fp) B: Precision= tp / (tp + fp), Recall = tp / (tp + fn) C: Precision = tp / (tn + fp), Recall = tp /(tp + fn) D: Precision = tp / (tp + fp), Recall = tp /(tn + fn)

  • 2022-06-06 问题

    A scientist must be __________ (precision) while performing experiments.

    A scientist must be __________ (precision) while performing experiments.

  • 2022-06-09 问题

    The first of these is correctness and precision in the use of the mother tongue.

    The first of these is correctness and precision in the use of the mother tongue.

  • 2021-04-14 问题

    数据新闻的英文全程是Precision Journalism.

    数据新闻的英文全程是Precision Journalism.

  • 2022-06-03 问题

    ‎“Meanwhile” is a linking word commonly used in academic writing for greater precision and clarity. ‏

    ‎“Meanwhile” is a linking word commonly used in academic writing for greater precision and clarity. ‏

  • 2022-06-17 问题

    以下两种描述分别对应哪两种对分类算法的评价标准? (a)警察抓⼩偷,描述警察抓的⼈中有多少个是⼩偷的标准。 (b)描述有多少⽐例的⼩偷给警察抓了的标准。 A: Precision, Recall B: Recall, Precision C: Precision, ROC D: Recall, ROC

    以下两种描述分别对应哪两种对分类算法的评价标准? (a)警察抓⼩偷,描述警察抓的⼈中有多少个是⼩偷的标准。 (b)描述有多少⽐例的⼩偷给警察抓了的标准。 A: Precision, Recall B: Recall, Precision C: Precision, ROC D: Recall, ROC

  • 2022-06-07 问题

    Precision<br/>refers to the agreement between values in a set of data. ( ) A: True B: False

    Precision<br/>refers to the agreement between values in a set of data. ( ) A: True B: False

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