| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Research Abstract |
We developed several statistical methods to estimate causal networks from high-dimensional data and obtain useful causal knowledge. Specifically, we(1) developed two methods to find exogenous variables that trigger causal chains,(2) developed a direct method to estimate the entire or sub-network based on the methods for finding exogenous variables, and(3) evaluated our methods based on simulations on artificial data and real-world datasets including gene-expression data, brain imaging data and sociology data. We further made some software to perform the methods available on the internet so that many practitioners can use our methods.
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