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Cs Research

In:

Submitted By kaoutarelm
Words 340
Pages 2
A U I, Fall 2011
Teacher : Yousra Chtouki
CSC1400 : Introduction to Computer Science
Regressi
Regressi is a Windows’ software which processes experimental data analysis. Acquisitions of this data are made by separated software dependent of hardware (interface boxes, oscilloscopes, serial port devices). This software stores its files in a special format “.rw3” that can be only read with Regressi.

Regressi is both a spreadsheet and a chart builder that replaced Excel in our High school’ Labs. For instance, this processing software can model a particular experimental curve, trace velocity vectors, derive functions, etc. It also allows comparing diverse set of data from the same experiment and finding highlights the influence of parameters. It can be applied to signal processing, chemistry or mechanics. The aim is to be able to keep record of data collected from experiments, to present it on a graph, and also to apply some ready function to it (such as curve fitting).

In the example above, as part of a physics tutorial, we want to represent the graph of the voltage of a capacitor in function of time. We acquire data thanks to an interface Orphy connected to the computer; then, the software Orphy GTS2 gathers the data before we can transfer it to Regressi. Once on Regressi, we can also edit the curves by fitting them, adding tangents, finding values, etc. Therefore, it allows us to entirely exploit the information we collected. It also allows us to present our results in a better shape by changing the colors of the graph, merge graphs or add some text on it (see the legends in the picture above).
The bad side about this software is that it requires a lot of practice. Indeed, you have to get used to how it works. Otherwise, you won’t be able to exploit all its features. Sometimes you can even get confused between the icons and click on the wrong one,

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