Created
October 10, 2022 00:12
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Summarize total downloads in the last month of a Cran View
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| library(cranlogs) | |
| library(ctv) | |
| library(dplyr) | |
| view <- "Optimization" | |
| # Get Cran view packages | |
| views <- ctv::available.views() | |
| packages <- views[[view]]$packagelist | |
| # Split packages in to queries of 20 | |
| max_query_num = 20 | |
| n_queries = nrow(packages) / max_query_num | |
| name_split <- split(packages$name, | |
| cut(seq_along(packages$core), | |
| n_queries, | |
| labels = FALSE)) | |
| # Query cran with a 1 second pause | |
| query_dl <- function(names) { | |
| Sys.sleep(1) | |
| cran_downloads(names, when="last-month") | |
| } | |
| # Query and combine results | |
| dl_response <- lapply(name_split, query_dl) | |
| package_dls <- do.call(rbind, dl_response) | |
| # Sum month's downloads | |
| last_month_dls <- | |
| package_dls %>% | |
| group_by(package) %>% | |
| summarize(total=sum(count)) %>% | |
| arrange(desc(total)) |
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