package or namespace load failed for ‘Hmisc’:

    > library(Hmisc)
    에러: package or namespace load failed for ‘Hmisc’:
     .onLoad가 loadNamespace()에서 'checkmate'때문에 실패했습니다:
      호출: loadNamespace(name)
      에러: ‘backports’이라고 불리는 패키지가 없습니다

    backports라고 불리는 패키지가 없기 때문이라 나왔기 때문에 해당 패키지 설치를 시도해본다.

     

    > install.packages("backports")
    Installing package into ‘C:/Users/user/Documents/R/win-library/4.0’
    (as ‘lib’ is unspecified)
    
      There is a binary version available but the source version is later:
              binary source needs_compilation
    backports  1.1.6  1.1.7              TRUE
    
    URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/backports_1.1.6.zip'을 시도합니다
    Content type 'application/zip' length 77609 bytes (75 KB)
    downloaded 75 KB
    
    package ‘backports’ successfully unpacked and MD5 sums checked
    
    The downloaded binary packages are in
    	C:\Users\user\AppData\Local\Temp\RtmpGWqNhA\downloaded_packages

    이렇게 다른 패키지의 영향으로 작동이 되지 않을땐, 패키지를 설치하여 실행하면 된다.

     

    > library(Hmisc)
    
    다음의 패키지를 부착합니다: ‘Hmisc’
    
    The following objects are masked from ‘package:base’:
    
        format.pval, units
    
    > data(mtcars)
    > head(mtcars)
                       mpg cyl disp  hp drat    wt  qsec vs am gear carb
    Mazda RX4         21.0   6  160 110 3.90 2.620 16.46  0  1    4    4
    Mazda RX4 Wag     21.0   6  160 110 3.90 2.875 17.02  0  1    4    4
    Datsun 710        22.8   4  108  93 3.85 2.320 18.61  1  1    4    1
    Hornet 4 Drive    21.4   6  258 110 3.08 3.215 19.44  1  0    3    1
    Hornet Sportabout 18.7   8  360 175 3.15 3.440 17.02  0  0    3    2
    Valiant           18.1   6  225 105 2.76 3.460 20.22  1  0    3    1

    Hmisc 데이터가 정상적으로 잘 나오는 것을 확인할 수 있다.

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