install desolve แล้วขึ้นแบบนี้ค่ะ

install.packages(“deSolve”)
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/hp/Documents/R/win-library/4.1’
(as ‘lib’ is unspecified)
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/4.1/deSolve_1.32.zip’
Content type ‘application/zip’ length 2961366 bytes (2.8 MB)
downloaded 2.8 MB

package ‘deSolve’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
C:\Users\hp\AppData\Local\Temp\RtmpCCApB0\downloaded_packages