0
我的第一data.frame
結構如下:獲得的行數的值之前,基於條件
structure(list(Trial = c("Left - 180 degrees", "Left - 300 degrees",
"Left - 60 degrees", "Right - 180 degrees", "Right - 300 degrees",
"Right - 60 degrees", "Left - 180 degrees", "Left - 300 degrees",
"Left - 60 degrees", "Right - 180 degrees", "Right - 300 degrees",
"Right - 60 degrees"), Region = c("Hamstring", "Hamstring",
"Hamstring", "Hamstring", "Hamstring", "Hamstring", "Quad", "Quad",
"Quad", "Quad", "Quad", "Quad"), PeakPower = c(118, 90,
156, 105, 90, 140, 146, 111, 247, 186,
133, 270)), .Names = c("Trial", "Region", "PeakPower"
), row.names = c(NA, -12L), class = "data.frame")
我希望定位每個PeakPower
值,根據下面的另一個數據幀Trial
和Region
,稱爲RawData
。我也希望計算出達到PeakPower
的時間(每行= 1秒)。這只是0和每個PeakPower
值之間的行數。例如:
PeakPower <- c(0,0,0,0,3,5,8,19,20,0,0,0,0,0,60,65,88,90,94,99,100,105,107,118,114,100)
Trial <- c("Left - 180 degrees")
Region <- c("Hamstring")
RawData <- data.frame(cbind(PeakPower, Trial, Region))
到達PeakPower
爲左邊的時間 - 180度試驗和膕繩區域將是10行或10秒。
如何在R中完成此操作?
謝謝。
@HubertL進入Excel和手動調用出來!我想知道如何在R中做到這一點,以實現自動化和加速流程。 – user2716568
在你的第二個數據集中,區域是「左 - 180度」,而在第一個區域是「腿筋」......你能否試着澄清你擁有什麼和你想要什麼? – HubertL
@HubertL編輯。道歉 - 謝謝你的迴應。 – user2716568