Clean characters in expression columns — clean

If the class of expression contain characters(e.g. 'NA.', 'filtered'), run Clean characters to replace character by NA, and transfor expression value to numeric

Usage

clean_character(express_assay)

Arguments

express_assay: data.frame or matrix, the expression assay.

Value

a numeric matrix

Examples

expression_assay = data.frame(A = c("1165799.5","51419028","1.9e6","2213111.25"),
                              B = c("1455111","Filtered","2021020.375","NA"),
                              c = c(261344, 49840292, 2388750, 1753475.625))
str(expression_assay)
#> 'data.frame':	4 obs. of  3 variables:
#>  $ A: chr  "1165799.5" "51419028" "1.9e6" "2213111.25"
#>  $ B: chr  "1455111" "Filtered" "2021020.375" "NA"
#>  $ c: num  261344 49840292 2388750 1753476
(clean_character(expression_assay))
#>          A       B        c
#> 1  1165800 1455111   261344
#> 2 51419028      NA 49840292
#> 3  1900000 2021020  2388750
#> 4  2213111      NA  1753476