checkRd: (-1) CPUs.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:11: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:12: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:13: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:14: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:15: Lost braces in \itemize; meant \describe ?
checkRd: (-1) CPUs.Rd:16: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Calculus.Rd:19: Lost braces; missing escapes or markup?
    19 | will be differentiated as if the formula {f(x) ~ x} were specified
       |                                          ^
checkRd: (-1) Chirps.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Chirps.Rd:11: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Chirps.Rd:12: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Chirps.Rd:13: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Effective_oxygen.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Effective_oxygen.Rd:11: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:11: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:12: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:13: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:14: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:15: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:16: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Engines.Rd:17: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Planet_solar.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Planet_solar.Rd:11: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Planet_solar.Rd:12: Lost braces in \itemize; meant \describe ?
checkRd: (-1) Planets.Rd:11: Lost braces; missing escapes or markup?
    11 | \item \code{mass}  in  $10^{24}$ kg
       |                            ^
checkRd: (-1) UK_GDP.Rd:10: Lost braces in \itemize; meant \describe ?
checkRd: (-1) UK_GDP.Rd:11: Lost braces in \itemize; meant \describe ?