Andy White Anthropology
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Goodbye South Carolina, Hello Illinois

6/6/2020

14 Comments

 
I have been very bad at making regular blog posts this spring. It's been pretty busy: on top of dealing with trying to somehow teach field school online due to the COVID-19 shutdown, we've been attempting to educate our kids at home, keep my wife's business afloat, and find time for me to finish up the excavations at 38FA608 by myself.  And then we decided to move. So now we're doing that, too.

I have accepted a position as a Research Archaeologist at the Illinois State Archaeological Survey starting in September. I'll write more about that after we get settled in Champaign-Urbana.

Deciding to leave South Carolina was neither simple nor easy. We've been here since the summer of 2015 and my wife and I have made significant personal and professional connections that we will miss. We love the kids' school, and it is a tough call to uproot them from everything that's familiar. 

There are a lot of things about this place that I enjoy and will miss. I have several good colleagues at SCIAA and have really enjoyed working with students in the classroom and at field school. The archaeology here is fantastic and has been very good to me, as have those that have helped me with that archaeology along the way. The winter weather is great. The diversity of bird, insect, and reptile life is beautiful, as are the various cultural and natural landscapes of the state. I will miss being able to take day trips to the beach. I will miss the Columbia art scene which helped me turn a pastime into an emotionally satisfying and economically rewarding pursuit. I will miss all the good people that I've met, talked with, and worked with here: there are a lot.

But there are also a lot of things that I won't be sad to leave behind. First among them is the ridiculous political culture of this state: often corrupt, often mean, and in my opinion a great disservice to many of the citizens of South Carolina. The legacy of white supremacy upon which this state was founded continues to weigh the state down: look up state rankings for education, domestic violence, violence against women, etc. South Carolina's position is directly related to its history and culture, and many of its citizens in positions of power don't seem to be in any big hurry to work toward improvement.  It appears to me, in fact, that the opposite is true. The conservative elements here would like to further roll back protections for those in our society that are already vulnerable: people of color, the poor, the LGBTQ community, etc.. That's a shame, and it's a real turn off to those of us that value diversity, equity, and inclusion.

I won't go into a long explanation of the various personal and professional factors that weighed into our decision. I will just say that this move includes opportunities that were never available to us here and will result in a situation that is better for our family in the long run. Packing up and moving sucks, but it's for the best. I look forward to writing about archaeology and other issues from my new location and with the perspective I have gained from living in the south for five years.
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14 Comments

Friday Digest: Fringe Utopia, Memory Leaks, the Sword, and an Open Invitation to "The Walking Dead"

3/25/2016

4 Comments

 
I've been hard at work rolling a boulder up the Repast Simphony learning curve.  Computer modeling is a basic element of my three-headed "Shovels, Collections, and Code" research agenda. The other two are on track: I'm planning future survey/excavations at a natural levee system that appears to contain buried Archaic components, and I've started my collections work with an ambitious data-gathering effort oriented toward understanding the Kirk Horizon.  The computer modeling part of my work is an important part of building an interpretive framework that allows us to integrate the small-scale behaviors we can document at individual sites with the large-scale patterns we can describe through pan-regional collections work.  More on that later.

Call me crazy, but I find writing and debugging computer code to be relaxing.  It can be frustrating, of course, when you can't figure out the source of some problem or error, but overall the process of building and tuning a model is engaging and strangely soothing. The parts make sense, represent something, and work together. And there are rewards for elegant design. It's fun. During my dissertation work I sometimes had the luxury of taking full days (not 9-to-5 days, but 24 hour days) to focus on uninterrupted programming.  Those days are gone, but I still find myself enjoying the times when I can block out a few hours, close my door, and get into the code.

The rest of the world doesn't stop, however.  So I have a few things I wanted to briefly talk about today.
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Amazing Tales of a Fringe Utopia in Northeast Illinois

A reader of this blog emailed me some links to material that, for all I know, is familiar ground to those who closely watch "fringe" theorists.  I had never heard of E. P. Grondine's manuscript He Walked Among Us, however, so I presume that others also have not.  The work (available in three parts here), details the history, philosophy, and inter-personal interactions of "fringe" figures (including David Hatcher Childress) in a small town in northeastern Illinois. Thus far I have only skimmed through parts of it (it will go on my summer reading list).  Check it out and see what you think. 

I don't know E. P. Grondine and am not yet very familiar with his work. He has commented on this blog at least once.
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Plugging Memory Leaks

I've succeeded in getting one of my models (ForagerNet3_Demography_V3) operational in Repast Simphony. Repast Simphony operates a little bit differently than Repast J (the platform that I used to write the model), so I had to learn something about those differences, write some new code, and re-configure some other sections of the code.  Though I've still got some testing to do to make sure the model is behaving the same (i.e., it's doing the same thing it did before the conversion), everything seems to be working within the model itself.

The issue I'm trying to solve now is getting the model to run in batch mode.  Running a model in batch mode means that the computer performs a series of model runs (a "batch") automatically.  One of the great benefits of computational modeling is that you can do systematic experiments and determine cause and effect. You can hold everything about the model constant except for the value of single parameter, for example, and see how changes in that parameter affect the outcomes. You can run the model as many times as you want -- tens, hundreds, or thousands -- to flesh out those cause-effect relationships. Running the model in batch mode automates that process.  Ideally, I can start a batch running on Friday afternoon and return to my office on Monday morning with a large dataset ready to analyze.

There is apparently a built in batch configuration in Repast Simphony, but for some reason I haven't yet been able to get to it in the software. Maybe I need to reinstall.  For the time being, I've been using a simple little parameters file that just tells the software how many iterations of the model to perform and what random seed to use.  The model runs for the first 40-50 runs before throwing an "Out of Memory" error and locking everything up. It seems to run slower and slower with each iteration, which suggests to me there is a memory leak somewhere in my code. The model creates a bunch of objects (people, households, social links between people) during each run. Each of those uses memory. At the end of each run, all the object associated with that run should be tossed out to free up all the memory for the next run (when the model resets and starts fresh).  If some of the objects are "leaking through" and being retained in the memory, the progressive accumulation of those unused objects will eat more and more memory until there's none left.  I'm pretty sure I've got the model tossing all the people, households, and links (the three agent classes) out, so it may have something to do with copies of the spatial world and/or what's called the "context."  The structure of the "world" in Repast Simphony is different from that in Repast J, so I need to figure out how to make sure I'm getting rid of all the unused parts between each model run. That's my goal for today. Hopefully I can find and plug the memory leak and set my computer to work for me over the weekend.
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The "Sword Report"

I still haven't been able to muster the combination of time and interest to read through J. Hutton Pulitzer's "sword report." What I know about the contents of the report I know from comments on Facebook pages (e.g., The Fraudulent Archaeology Wall of Shame and Fake Hercules Swords), this blog post from last week, and Jason Colavito's post about the report. My two main impressions are these (please correct me if I'm wrong):
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The report contains no new information about the alleged "Roman sword from Nova Scotia." Pulitzer does not provide his XRF data that he claimed proved the sword was a "100% confirmed" Roman artifact. He spent months crowing about his XRF results, and, in fact, said he would release them "the next day" after Brosseau's results were aired on television. He has not done that. Why?  Remember when he said the exposed brass on the sword was actually gold? Whatever happened to that claim?

The report is an argument against Brosseau's interpretations, not her results.  Pulitzer seems to have abandoned the argument that his XRF results are correct and Brosseau's results are wrong, and is arguing that the metals identified by Brosseau are consistent with those produced by Romans.  He actually made this pivot some time ago (I wrote about it back in January). Sometime after Brosseau's results were aired, he decided that he had a better chance making a case for the antiquity of the sword based on Brosseau's results (which are well-explained and documented) than his own (let us never speak of those XRF results again?).  Apparently, the "case" for the Roman antiquity of brass with 35% zinc is based on the same sleight-of-hand he tried in January (see this post) with the added puffery of 70+ pages lifted more-or-less directly from this online study by David Dungworth.   Here is a direct quote from that study:

"Forty percent of all Roman alloys had at least 5% zinc. The distribution of zinc in all Roman alloys is fairly flat between 5 and 25% (Figure 31). This apparently even spread of zinc contents is an over-simplification. Zinc content varies with time - high zinc alloys belonging to the early Roman period. In addition zinc is strongly correlated (inversely) with tin (see Figure 34). The alloy type classification discussed below (see Figure 35) defines brasses as those alloys with 15% or more zinc. The method of brass production at this time was the cementation method (Craddock 1978) which could yield brass with a maximum zinc content of c. 28%. The paucity of such alloys (those with more than 23% zinc) in all the samples analysed here is striking."
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Can anyone out there show me a single authentic Roman brass artifact with 35% zinc content?  I'll wait.

No matter how many times you assert that the sword is Roman, and no matter how long of a document you put together, evidence still matters. I still see no evidence that this is a Roman sword. I see continued monkey business, sleight of hand, and silliness.  Can we move on to the next "smoking gun that will re-write history" now please?  The sword is boring.
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An Invitation for The Walking Dead to Enjoy Springtime in South Carolina

The Walking Dead is my favorite television show.  The program has had its ups and downs, but I think this season is pretty strong and I'm enjoying it. I'm a couple of episodes behind right now, so don't spoil it for me.

This week, Disney and Marvel warned Georgia Governor Nathan Deal that they will stop filming in the state if he signs a so-called "religious liberty" bill that many say will legalize anti-gay discrimination (here's the story in The Washington Post).  

I applaud Disney and Marvel for their stance, and hope that AMC follows suit and moves the filming of The Walking Dead out of northern Georgia. Given what's going on in North Carolina right now, the logical choice is to put the show in South Carolina.  There are signs this state is moving in the right direction (e.g., the removal of the Confederate flag last summer), and your business would be a nice encouragement. Having traveled up and down I-20 and 301 a few times now, I can tell you that you won't have any difficulty finding good locations for filming. You can enjoy the palmettos, azaleas, crepe myrtle, and Carolina wrens. We have some room at our house, so I can provide accommodations for at least two cast members (Glen and Maggie? Carol?).

Just think it over. You don't have to answer now. If you can't make it here this spring the flowers will still be blooming all year round. And there are butterflies.

4 Comments

Data from "Functional and Stylistic Variability in Paleoindian and Early Archaic Projectile Points from Midcontinental North America"

3/3/2015

1 Comment

 
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I have added an Excel file of the basic dataset for my 2013 paper in North American Archaeologist to the "Data" section of the website.  The file contains basic information on provenience (county), UTMs (county center), typological category, and morphometric data for the 1,771 Paleoindian and Early Archaic projectile points that I used in that study.  Like the 2014 AENA paper, the NAA paper was produced from a portion of the analysis in my dissertation. 

The samples I used for the morphometric analysis in my dissertation and in the NAA paper were identical, so the data in the Excel file are also in the appendices of my dissertation.  I'm hoping that providing the data in an electronic format will save someone a great deal of time doing data entry, and will encourage the use of the dataset that took me who-in-the-hell-knows-how-many hours and miles to collect, compile, and produce.  The measurements used, as well as the procedures for taking them, are defined in the paper and in my dissertation.

The ultimate goal of the two analyses (raw material and morphometric) was to produce a quantitative description of the apparent sequence of material culture change from homogenous (Early Paleoindian) --> regionalized (Late Paleoindian) --> homogenous (Early Archaic) that characterizes the Pleistocene-Holocene transition in the Midcontinent.  A quantitative description allowed an "apples to apples" comparison with data from model experiments, providing a basis for evaluating some alternative scenarios explaining the regionalization as a result of various changes in social network structure.  As the time to my defense was ticking away, I had to sacrifice some of the modeling work in order to get finished.  I was able to draw some conclusions, but a satisfying analysis of the "social boundary" question is still in the future.  Once I get set up at my new job I'll be able to restart the modeling work, add data from the southeast to my dataset, and reboot on the question of the social networks of early hunter-gatherers in eastern North America.


1 Comment

Data From "Changing Scales of Lithic Raw Material Transport Among Early Hunter-Gatherers in Midcontinental North America"

3/2/2015

0 Comments

 
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I am a proponent of openly sharing information, and one of my purposes in creating this website was to create a way that I could make available data from own papers and research projects.  I realized when I recently paid my bill for the site that it has been a year and I have yet to post any data.  So I'm starting now.

I have added an Excel file of the basic dataset for my recent paper in Archaeology of Eastern North America to the "Data" section of the website.  The file contains basic information on provenience (county), UTMs (county center), raw material, and typological category for the 926 projectile points that I used in that study.  The AENA paper was produced from a portion of the analysis in my dissertation.

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