From ffabfaefc4e132048b6a3c4cfa9a3cf11eb79beb Mon Sep 17 00:00:00 2001 From: ballardtj Date: Fri, 29 Mar 2019 09:23:15 +1000 Subject: [PATCH] Update drift-diffusion-sim-single-trial-v01.R --- drift-diffusion-sim-single-trial-v01.R | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drift-diffusion-sim-single-trial-v01.R b/drift-diffusion-sim-single-trial-v01.R index 1154ca1..be4465a 100644 --- a/drift-diffusion-sim-single-trial-v01.R +++ b/drift-diffusion-sim-single-trial-v01.R @@ -12,7 +12,7 @@ library(tidyverse) #for first time installation: "install.packages('tidyverse')" ### set parameter values for simulation ### -drift_rate_mean = .2 #mean change in evidence per second (positive values favour upper bound, negative values favour lower bound) +drift_rate_mean = .5 #mean change in evidence per second (positive values favour upper bound, negative values favour lower bound) drift_rate_sd = 1 #sd of change in evidence per second (aka diffusion coefficient) boundary_separation = 2 #distance between response thresholds, and value of upper threshold (lower threshold has value of 0) start_point = 1 #level of evidence at start of trial (when half of boundary separation, no bias is present)