From f5c8bf65078c8d87fa2d510caf7ba793a59ea7c0 Mon Sep 17 00:00:00 2001 From: Guillaume Horel Date: Tue, 11 Oct 2011 00:33:20 -0400 Subject: Loaded bloomberg data - complete dataset from 2000-01-01 - adjusted and unadjusted data - still need to downlad split and dividend info - need to compare data with yahoo data --- bloomberg-data.R | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 bloomberg-data.R (limited to 'bloomberg-data.R') diff --git a/bloomberg-data.R b/bloomberg-data.R new file mode 100644 index 0000000..92d864a --- /dev/null +++ b/bloomberg-data.R @@ -0,0 +1,48 @@ +require(RBloomberg) +conn <- blpConnect(jvm.params = "-Xmx1024m") +sp500.tickers <- as.character(bds(conn,"SPX Index","INDX_MEMBERS")[,1]) +#remove exchange information +for(i in 1:length(sp500.tickers)){ + ticker <- sp500.tickers[i] + sp500.tickers[i] <- strsplit(ticker," ")[[1]][1] +} + +list.sp500 <- list() +for(i in 1:length(sp500.tickers)){ + ticker <- sp500.tickers[i] + list.sp500[[ticker]] <- bdh(conn,paste(ticker,"Equity"),c("PX_OPEN","PX_HIGH","PX_LOW","PX_LAST"),as.Date("2000-01-01"),dates.as.row.names=F) +} + +#split information +EQY_DVD_HIST_SPLITS +#dividend information +DVD_HIST + +add <- read.table("sp500 add.csv",sep=",",fill=T,header=T,colClasses="character",quote="") +add$date <- as.Date(add$date,format="%m/%d/%Y") + +memb <- function(index,add,date){ + #return the list of index constituents + toreverse <- add[add$date>=date,] + current.index <- index + for(i in 1:nrow(toreverse)){ + if(toreverse$ticker.add[i]!=""){ + current.index <- current.index[-match(toreverse$ticker.add[i],current.index)] + } + if(toreverse$ticker.del[i]!=""){ + current.index <- sort(c(current.index,toreverse$ticker.del[i])) + } + } + current.index +} + +sp500.extended <- union(sp500.tickers,add$ticker.del) +sp500.extended <- sp500.extended[-match("",sp500.extended)] +extra.tickers <- setdiff(sp500.extended,sp500.tickers) + +list.extra <- list() +for(i in 1:length(extra.tickers)){ + ticker <- extra.tickers[i] + list.extra[[ticker]] <- bdh(conn,paste(ticker,"Equity"),c("PX_OPEN","PX_HIGH","PX_LOW","PX_LAST"),as.Date("2000-01-01"),dates.as.row.names=F) +} + -- cgit v1.2.3-70-g09d2