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Up trend line analysis of the up_function is to sort and analysis the stock data
up_function(h,day,num)
an stock data
the number of days to analysis the data
select pivot calculation method 1: DOWN1<-(2*center)-Hi(h). 2: DOWN2<-center-(UP1-DOWN1).
an analysis of stock data for up function
up_function is to sort the stock data by the set number of days and to filter the data of downward trend
# NOT RUN { library(quantmod) aapl<-getSymbols("AAPL",src="yahoo",auto.assign=FALSE) up_function(aapl,20,1) # }
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