最好的解决方案是更新到dplyr v1.1.0，它正确地实现了slice_sample。
rnd= slicesample(___,Name,Value)specifies options using one or more name-value arguments in addition to any of the input argument combinations in previous syntaxes. For example, you can specify the burn-in period, the sample discard interval, and the starting interval width. ...
在slice_sample中，你必须指定n或prop，否则它会抛出一个错误，如下所示。在本例中，你可以使用一个匿...
Head Function in R:returns the first n rows of amatrixordata framein R Tail Function in R:returns the last n rows of amatrixordata framein R slice_sample() function in Rreturns the sample n rows of the dataframe in R slice_max() function in Rreturns the maximum n rows of ...
slice()允许您按行(整数)位置对行进行索引。它允许您选择、删除和复制行。它附带许多常见用例的帮助程序: slice_head()和slice_tail()选择第一行或最后一行。 slice_sample()随机选择行。 slice_min()和slice_max()选择具有变量的最小值或最大值的行。
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sample; (b) removing the gradient; (c) after a predetermined time, injecting a 90{ RF pulse 3 into the sample; (d) performing a desired NMR process on the sample; II Injecting at least a 90{ RF pulse into the sample, and performing the same NMR process as in step I(d); wherein...
KeySampleRate KeySliceHeight KeySlowMotionMarkers KeyStride KeyTemporalLayering KeyTileHeight KeyTileWidth KeyTrackId KeyVideoEncodingStatisticsLevel KeyVideoQpAverage KeyVideoQpBMax KeyVideoQpBMin KeyVideoQpIMax KeyVideoQpIMin KeyVideoQpMax KeyVideoQpMin KeyVideoQpPMax KeyVideoQpPMin KeyWidth LogSessionId...
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(1), ptychographic reconstructions can be combined with tomography to produce high resolution 3D images; this combination is termed ptychographic tomography and is implemented as shown in Fig. 1a. To obtain 3D images from this setup, the sample is rotated through 180 degrees in small steps, ...