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Are you working on a paper using sequence analysis /SA related method and want to discuss some aspects of it?
Consider our webinar series "work-in-progress edition"!
Deadline for submission (for presenting Feb.-May) Jan.5th 2025.
More info and form at https://sequenceanalysis.org/webinars/
Join us next week, Oct Thursday, 17, 4 pm CET, for the next #SequenceAnalysis webinar! We’ll learn about two social-policy work-in-progress papers from @kunlee.bsky.social on retirement pathways & @mischewu.bsky.social on employment trajectories around childbirth and parental leave policies.
You can find the zoom link to join, as well as the rest of our autumn program here: https://sequenceanalysis.org/webinars/
Tomorrow April 25, 4pm CET online Workshop on SA research design
Link to join at https://sequenceanalysis.org/webinars/
I've recently blogged on two related lifecourse sequence-analysis issues: how the optimal matching distance relates to Hamming distance and the Longest Common Subsequence measure, and how their relationship is goverened by the indelcost parameter, and then on how Time Warp Edit Distance (little used but getting more popular) relates to these more common measures:
How do you parameterise Optimal Matching analysis of lifecourse sequence data? A lot of ink has been spilt on how to build the substitution matrix, defining the differences between the states through which sequences move (the cost of substituting elements), but what about the role of indelcost, the cost of inserting or deleting elements? Here is a quick demonstration (using SADI, in Stata) that shows that below a certain threshold OM becomes LCS, the longest-common-subsequence distance measure, that above another threshold (less well-defined) it reverts to Hamming distance, and that in between there is a minimum meaningful indelcost.
@SeqAnalysisAssn Webinar Series
September 21, Thursday, 4 pm CET
Recent book and software developments
with
@SAGE_Publishing book on Sequence Analysis @EmStruffolino
ggseqplot @RaabM
SQ and SADI for STATA @BrendanTHalpin Christian Brzinsky-Fay
Next Webinar: October 19 4pm CET
Development and alternatives to sequence clusters.
Matthias Studer, Validating sequence typologies
Satu Helske, Dissimilarity-based variables as an alternative to cluster membership in SA
https://sequenceanalysis.org/webinars/ for access details
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Are you working on a research project involving sequence analysis (SA)?
Would you like to present it as part of next autumn's SAA webinar series?
See our call for papers at https://sequenceanalysis.org/saa-webinar-call-for-papers/
Brendan Halpin