diff options
Diffstat (limited to 'R/mlpdb.R')
| -rw-r--r-- | R/mlpdb.R | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/R/mlpdb.R b/R/mlpdb.R new file mode 100644 index 00000000..04c1f0b9 --- /dev/null +++ b/R/mlpdb.R @@ -0,0 +1,29 @@ +library(RPostgreSQL) +drv <- dbDriver("PostgreSQL") +dbCon <- dbConnect(drv, dbname="mlpdb", user="mlpdb_user", password="Serenitas1", + host="debian") + +nameToBasketID <- function(name){ + index <- substr(name, 1, 2) + series <- substr(name, 3, nchar(name)) + sqlstr <- "SELECT max(basketid) from index_desc where Index='%s' and Series=%s" + r <- dbGetQuery(dbCon, sprintf(sqlstr, index, series)) + return(as.integer(r)) +} + +cdslist <- function(indexname){ + basketid <- nameToBasketID(indexname) + sqlstr <- "select * from CDS_Issuers where index_list @> '{%s}'" + return( dbGetQuery(dbCon, sprintf(sqlstr, basketid))) +} + +arr.convert <- function(arr){ + return(as.numeric(unlist(lapply(arr, function(x)strsplit(substr(x,2,nchar(x)-1),",",fixed=TRUE))))) +} + +get.indexquotes <- function(indexname, date){ + r <- dbGetQuery(dbCon, sprintf("select * from curve_quotes('%s', '%s')", indexname, date)) + r <- data.frame(r[,1], matrix(arr.convert(r[,2]), nrow(r), 8, byrow=T)) + colnames(r) <- c("ticker", "6m", "1y", "2y", "3y", "4y", "5y", "7y", "10y") + return( r ) +} |
