• using R version 4.4.0 alpha (2024-03-31 r86238)
• using platform: aarch64-apple-darwin20
• R was compiled by     Apple clang version 14.0.0 (clang-1400.0.29.202)     GNU Fortran (GCC) 12.2.0
• running under: macOS Ventura 13.4
• using session charset: UTF-8
• checking for file ‘kpcalg/DESCRIPTION’ ... OK
• this is package ‘kpcalg’ version ‘1.0.1’
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘kpcalg’ can be installed ... [4s/4s] OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking ‘build’ directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [1s/1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the package can be unloaded cleanly ... [1s/1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
• checking loading without being on the library search path ... [1s/2s] OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [4s/4s] OK
• checking Rd files ... [0s/0s] NOTE checkRd: (-1) hsic.perm.Rd:36: Lost braces; missing escapes or markup?     36 | Let x and y be two samples of length n. Gram matrices K and L are defined as: \eqn{K_{i,j} = \exp\frac{(x_i-x_j)^2}{\sigma^2}}{K_{i,j} =exp((x_i-x_j)^2/sig^2)} and \eqn{L_{i,j} = \exp\frac{(y_i-y_j)^2}{\sigma^2}}{L_{i,j} =exp((y_i-y_j)^2/sig^2)}. \eqn{H_{i,j} = \delta_{i,j} - \frac{1}{n}}{H_{i,j} = \delta_{i,j} - 1/n}. Let \eqn{A=HKH} and \eqn{B=HLH}, then \eqn{HSIC(x,y)=\frac{1}{n^2}Tr(AB)}{HSIC(x,y)=Tr(AB)/n^2}. Permutation test permutes y p times to get \eqn{y_{(p)}} and calculates HSIC(x,y_{(p)}). \eqn{pval = \frac{1(HSIC(x,y)>HSIC(x,y_{(p)}))}{p}}{(HSIC(x,y)>HSIC(x,y_{(p)}))/p}.        | ^
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking LazyData ... NOTE   'LazyData' is specified without a 'data' directory
• checking sizes of PDF files under ‘inst/doc’ ... OK
• checking installed files from ‘inst/doc’ ... OK
• checking files in ‘vignettes’ ... OK
• checking examples ... [7s/8s] OK
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [55s/61s] OK
• checking PDF version of manual ... [4s/4s] OK
• DONE Status: 2 NOTEs
• using check arguments '--no-clean-on-error '