Bits and bobs


Comprises three LISP-functions for repeated tasks in archaeological excavations. The aims are efficient work and a homogeneous structure for easy retrieval. This is achieved with standardised named layers for filtering and the extensive use of blocks with attributes including labels of features, finds and profiles. The detailed explanations are in German but the code includes German as well as English comments.


A simple algorithm to find local maxima/minima in sequential data


Fix the Exif.Image.Artist tag based on user input depending from the camera model. Useful if you have a bunch of photographs from different people all mixed up.


A collection of functions that built in different points in time. The functions' aim spans from univariate outlier detection, to permutation t test, permutation chi-square test, calculation of Brainerd-Robinson similarity coefficient, validation of logistic regression models, point pattern analysis, and more.


A simple qgis plugin that measures the 3d distance between two selected points.


You have a sequence of numbered items and want to check if any are missing


A tool for automatically measuring tree-ring width using image processing techniques


The mudata2 package provides tools to read, write, and document multi-parameter spatiotemporal data


Some scripts that could be useful for QGIS users.


Scripts to create QR-Code images for storage boxes. Each box has an associated web page describing its content, and the QR-Code serves as a short-link from the physical object to the web page.


The Soil Texture Wizard is a set of R functions designed to produce texture triangles (also called texture plots, texture diagrams, texture ternary plots), classify and transform soil textures data


A set of extra utilities that extend the functionlaity provided by core packages for spatial data management and analysis in R

Sériation de matrice en présence/absence

Excel file containing macro commands making it possible to transform a 1/0 table (presence / absence) into a graphic matrix treated by matrix permutations; it is possible to take into account the uncertain presence of a character. The instructions for use are contained in the file.