R/histgroups_iarc.R
histgroup_iarc.Rd
Create variable for groups of malignant neoplasms considered to be histologically 'different' for the purpose of defining multiple tumors, ICD-O-3
histgroup_iarc(df, hist_var, new_var_hist = t_histgroupiarc, version = "3.1")
dataframe in long or wide format
variable in df that contains first 4 digits of tumor histology (without behavior)
Name of the newly calculated variable for histology groups. Default is t_histgroupiarc.
Version of ICD-O-3 classification used. Can be either "3.0" for 2000 publication, "3.1" for 2013 first revision or "3.2" for 2019 second revision.
Default is version = "3.1"
for ICD-O-3 revision 1, released 2013.
df
#load sample data
data("us_second_cancer")
us_second_cancer %>%
msSPChelpR::histgroup_iarc(., hist_var = t_hist) %>%
dplyr::select(fake_id, t_hist, t_histgroupiarc)
#> # A tidytable: 113,999 × 3
#> fake_id t_hist t_histgroupiarc
#> <chr> <int> <fct>
#> 1 100004 8619 Other specific carcinomas
#> 2 100004 8450 Adenocarcinomas
#> 3 100004 8549 Adenocarcinomas
#> 4 100004 9592 NA
#> 5 100034 9836 B-cell neoplasms
#> 6 100037 9276 Other specified types of cancer
#> 7 100038 8491 Adenocarcinomas
#> 8 100038 8836 Sarcomas and soft tissue tumours
#> 9 100039 9377 NA
#> 10 100039 9697 B-cell neoplasms
#> # ℹ 113,989 more rows