DataScienceAndR

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您好， > source("https://wush978.github.io/R/init-swirl.R") Loading required package: remotes Installing package into ‘C:/Users/ryan8/OneDrive/文件/R/win-library/3.3’ (as ‘lib’ is unspecified) There is a binary version available but the source version is later: binary source needs_compilation...

ryan88421

(1)比較三位在 NBA 歷史中，不同世代的最佳球員，這三位球 員分別是: Michael Jordan、Kobe Bryant、LeBron James。 (2)分別計算三位球員的 NBA 生涯績效。(注意: 是整個球員生涯，LeBron James 是計算到 2018-2019 球季) (3)計算完球員績效值後，請利用不重疊的長條圖，顯示出三位球員的績效值。 KB

nlpss96084

關卡8的 vignette("introduction", package = "dplyr") 現在好像不叫 "introduction" 了，應該 vignette("dplyr", package = "dplyr") 這樣吧？

wush978

wush978

01-RBasic-07-Loading-Dataset的step 25

1

01-RBasic-07-Loading-Dataset的step 25好像有點小錯誤，我只輸入了readLines()他就讓我通過了

wush978

有同學反應，想在課程筆記中加入comments的內容

1

wush978

> ###' just another typo > #' reference:[02-RDataEngineer-06-Join](https://github.com/wush978/DataScienceAndR/blob/5a10ce5d658061b59c4fa01788b9c73fce9f9de9/02-RDataEngineer-06-Join/lesson.yaml#L56) > #' step 11 > #' line: 1 > #' typo:請同學安裝nycflights13的資料。已經**載入**的同學可以輸入`skip()`。 應為 '已經裝過的同學可以輸入skip()略過。' > #' reference:[03-RVisualization-01](https://github.com/wush978/DataScienceAndR/blob/5a10ce5d658061b59c4fa01788b9c73fce9f9de9/03-RVisualization-01-One-Variable-Visualization/lesson.yaml#L68) > #' step 10 > #'...

exkuretrol

could not connect server

3

老師您好， 我選擇要哪種登入方式(google or facebook or classroom) 時出了問題 顯示: 錯誤: Couldn't connect to server 請問有可能是什麼問題呢

HanKevin


wush978

- [ ] 02-RDataEngineer-05-Data-Manipulation/lesson.src.yaml: AnswerTests: omnitest(correctVal = nrow(flights)) - [ ] 02-RDataEngineer-05-Data-Manipulation/lesson.src.yaml: AnswerTests: omnitest(correctVal = '"AA"') - [ ] 02-RDataEngineer-05-Data-Manipulation/lesson.src.yaml: AnswerTests: omnitest(correctVal = 'flights$tailnum') - [ ] 02-RDataEngineer-05-Data-Manipulation/lesson.src.yaml: AnswerTests: omnitest(correctVal...

wush978