Skip to main content

Questions tagged [archaeology]

Study of human activity through the recovery and analysis of material culture. [Wikipedia]

Filter by
Sorted by
Tagged with
1 vote
0 answers
28 views

Multivariate Random Normal Distribution with Conditions

I'm working on a simulation model that will serve as the basis for classifying empirically derived archaeological data. I'm working in R and using a bounded version of mvrnorm() to simulate 8 ...
Rocky B's user avatar
  • 11
0 votes
0 answers
27 views

How to test for a difference in the mean percentages of two populations

Many questions seem to ask something similar, but I could find none that seemed to really match. Suppose there are two potentially distinct archaeological cultures "East" and "West"...
Pertinax's user avatar
  • 587
1 vote
4 answers
972 views

Betabinomial (BB) regression in the gamlss package (R)

I'd be grateful for any help with beta-binomial (BB) regression in the gamlss package: predictions from the fitted model of "mu" values for each observation in my data seem reasonable. But ...
Fraser's user avatar
  • 11
1 vote
0 answers
12 views

Significance of single classification change across multiple time slices (archaeology)

I'm trying to determine if I'm correctly testing for significance of the change in artifact type presence across several time periods. In an archaeological survey, stone tool artifacts were cataloged ...
davehunt00's user avatar
1 vote
0 answers
30 views

Vector Autoregression for archaeological time series of cultural traits

I have a dataset that contains information about the prevalence of two mutually exclusive cultural traits over time in different study regions. Imagine it to look somehow like this (in a tall format):...
nevrome's user avatar
  • 111
5 votes
1 answer
890 views

Under what conditions is Welch's unequal variance t-test more conservative than Student's equal variance t-test?

I am comparing the anatomy of two Neanderthal populations for which sample sizes, the number of available bones, is low (usually between 3 and 8 for a given trait). I am using Welch's unequal variance ...
Pertinax's user avatar
  • 587
2 votes
0 answers
65 views

How can one test for a difference in the means of two log-normal samples without log-transforming?

I'm reading a scientific article that's investigating whether some prehistoric human populations had differently shaped long bones. The methods are as follows: Define 21 features of arm long bones. ...
Pertinax's user avatar
  • 587
8 votes
1 answer
2k views

In PCA, is there a systematic way of dropping variables to maximise the segregation of two populations?

I am trying to investigate using principal component analysis whether it is possible to guess with good confidence from which population ("Aurignacian" or "Gravettian") a new datapoint came from. A ...
Pertinax's user avatar
  • 587
3 votes
1 answer
2k views

What's a good measure of distance between multinomial samples to build a phylogenetic tree?

Summary: I'm looking for a measure of distance between multinomial samples of four or more categories in order to build a phylogenetic tree. I considered using ...
Pertinax's user avatar
  • 587