search for: kouta

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2018 May 29
1
Difficulty in writing R code for one pool dynamic model
...t wrong.? Below is the Ro code I tried to estimate thepool size of A at time 30. #Step 1: Specify time? Tstart <- 1 Tstop <- 30 Tstep <- 1 #Step 2: Set variables corresponding to pools inA<-5 A <- inA t <- Tstart #Step 3: Set up rate parameters A<-5 kinA <- 5 koutA <- 0.2 #Step 4: Write arrays that track pool size overtime val <- array(1, dim=c(1, length(seq(Tstart,Tstop, by=Tstep)))) val #Step 5: Set up while loop we use to runintegration ?while(t<=Tstop){ ?if(t==Tstart) A <- inA else A <- val[1, t-1] ??# Setup rates ? inA<- kinA*A...
2006 Jan 21
5
Help...why ''rake migrate'' can''t be executed on RadRails
...> false t.column :position, :integer t.column :created_on, :time t.column :updated_on, :time end end def self.down drop_table :lists drop_table :items end end =================================== ------------------------------------------------------------- Kouta Osabe E-mail:kota0919wasabi@yahoo.co.jp Always Look on the Bright Side of Life! - from Monty Python ------------------------------------------------------------- -------------------------------------- GANBARE! NIPPON! Yahoo! JAPAN JOC OFFICIAL INTERNET PORTAL SITE PARTNER http://pr.mail.yaho...