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RASC and CASC

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<strong>RASC</strong> & <strong>CASC</strong> MANUAL 6<br />

<strong>RASC</strong> - ranking <strong>and</strong> scaling method for probabilistic zonations<br />

• census information of input <strong>and</strong> run data<br />

• biostratigraphic zonations with 95% confidence limits<br />

• graphic correlation of well <strong>and</strong> zonation with uncertainty estimates<br />

• normality testing of wells sites with 95% confidence limits<br />

• event variance analysis to test difference between observed <strong>and</strong> stratigraphically<br />

expected position<br />

• + frequency distribution<br />

• error bar on observed event positions<br />

• stratigraphic range of events<br />

<strong>CASC</strong> - correlation <strong>and</strong> st<strong>and</strong>ard error calculation of <strong>RASC</strong> zonations<br />

• most likely position of events in wells<br />

• flattening on specific horizons in correlation panel<br />

COR - correspondence type analysis of paleoecologic-geographic trends in <strong>RASC</strong> zonations.<br />

Data input <strong>and</strong> throughput<br />

Users invariably spend much more time with data files than with the actual operation of the<br />

programs or analysis of its results. A summary of data input <strong>and</strong> throughput between programs<br />

is as follows:<br />

Program MAKEDAT under DOS is a st<strong>and</strong>-alone program. It operates with key-board<br />

comm<strong>and</strong>s explained in its help menu <strong>and</strong> in its manual, <strong>and</strong> allows to input biostratigraphic<br />

event data from scratch in projects (= *.mak files). It can import <strong>RASC</strong> run format data files<br />

for modifications It exports data in <strong>RASC</strong> format or report-type text format. .<br />

Program MAKEDAT under Windows, bundled with <strong>RASC</strong> & <strong>CASC</strong> version 18 in one<br />

execution module, allows to input biostratigraphic event data from scratch or import data files<br />

from MAKEDAT under DOS or from IPS (Interactive Paleontology System). It stores data in<br />

MDB (Microsoft DataBase) binary format. Such data sets can than be modified <strong>and</strong> send to the<br />

<strong>RASC</strong> & <strong>CASC</strong> programs. The <strong>RASC</strong> input data files generated from these two MAKEDAT<br />

versions are identical in format <strong>and</strong> files convention.<br />

<strong>RASC</strong> either reads in the data files from MAKEDAT under Windows, or data files generated<br />

with<br />

MAKEDAT under DOS.<br />

After operation of <strong>RASC</strong> the user may either run <strong>CASC</strong> or COR; both programs directly readin<br />

files generated by <strong>RASC</strong> under Windows.

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