Difference between revisions of "Lecture 17"
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[[Image:L17_s014.jpg|frame|none|Lecture 17, Slide 014<br> | [[Image:L17_s014.jpg|frame|none|Lecture 17, Slide 014<br> | ||
+ | Note that distance methods first reduce the explicit molecular data into a matrix of pairwise distances, then operate on that "summary" to construct the most plausible tree. They are fast, but less accurate than some alternatives. | ||
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[[Image:L17_s015.jpg|frame|none|Lecture 17, Slide 015<br> | [[Image:L17_s015.jpg|frame|none|Lecture 17, Slide 015<br> |
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Lecture 17, Slide 012
Usually, analysis of confidence implies a "bootstrapping" procedure: rerun the analysis many times with partial data and analyze which features of the tree (branching order -> topology!) are well conserved, and which ones depend critically on unreliable features of the input data.
Usually, analysis of confidence implies a "bootstrapping" procedure: rerun the analysis many times with partial data and analyze which features of the tree (branching order -> topology!) are well conserved, and which ones depend critically on unreliable features of the input data.