The Signal Importance of Noise  

Oleh:

Macy, Michael ; Tsvetkova, Milena

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Sociological Methods & Research (SMR) vol. 44 no. 02 (May 2015), page 306-328.
Topik: agent-based models; analytical sociology; complex systems; computer simulation; determinism; stochastic models; game theory; random error

Ketersediaan

Perpustakaan PKPM Nomor Panggil: S28 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Noise is widely regarded as a residual category—the unexplained variance in a linear model or the random disturbance of a predictable pattern. Accordingly, formal models often impose the simplifying assumption that the world is noise-free and social dynamics are deterministic. Where noise is assigned causal importance, it is often assumed to be a source of inefficiency, unpredictability, or heterogeneity. We review recent sociological studies that are noteworthy for demonstrating the theoretical importance of noise for understanding the dynamics of a complex system. Contrary to widely held assumptions, these studies identify conditions in which noise can increase efficiency and predictability and reduce diversity. We conclude with a methodological warning that deterministic assumptions are not an innocent simplification.

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