MVSP is an inexpensive yet powerful multivariate analysis program for PC compatibles that performs a variety of ordination and cluster analyses. It provides an easy means of analyzing your data in fields ranging from ecology and geology to sociology and market research. MVSP is in use at hundreds of sites in over 50 countries. The results of analyses using MVSP have been published in numerous journals, including Science, Nature, Ecology, Journal of Petroleum Geology, and Journal of Biogeography.
Once your data have been analyzed you can plot results directly. Select the ordination axes you want to see and scattergrams will be drawn. Dendrograms of cluster analysis results are produced automatically. These graphs can then be printed on a variety of output devices.
Data matrix manipulation: data may be transposed, transformed (transformations available include logarithms to base 10, e, and 2, square root, and Aitchison’s logratio for percentage data), converted to percentages, proportions, standard scores, octave class scale, or range through format for stratigraphic studies, and rows and columns may be selected for deletion
Data import and export; Lotus 1-2-3 and Symphony and Cornell Ecology Programs
Principal Coordinates Analysis, performed with the following options: use any type of input similarity matrix, user defined minimum eigenvalues and accuracy level
Principal Components Analysis, with the following options: correlation or covariance matrix, centered or uncentered analysis, user defined minimum eigenvalues, including Kaiser’s and Jolliffe’s rules for average eigenvalues, user defined accuracy level.
Correspondence Analysis, with these options: Hill’s detrending by segments, choice of eigenanalysis or reciprocal averaging algorithm, weighting of rare or common taxa and scaling to percentages, user defined minimum eigenvalues and accuracy level.
Nineteen different similarity and distance measures, including Euclidean, squared Euclidean, standardized Euclidean, cosine theta (or normalized Euclidean), Manhattan metric, Canberra metric, chord, chi-square, average, and mean character difference distances; Pearson product moment correlation and Spearman rank order correlation coefficients; percent similarity and Gower’s general similarity coefficient; Sorensen’s, Jaccard’s, simple matching, Yule’s and Nei’s binary coefficients.
Cluster analysis, with the following options: seven strategies (UPGMA, WPGMA, median, centroid, nearest and farthest neighbor, and minimum variance), constrained clustering in which the input order is maintained (e.g. stratigraphic studies), randomized input order, integral dendrogram production. Separate utility program allows data matrices to be sorted in the order of the dendrograms; allows patterns to be seen in the data.
Diversity indices, with the following options: Simpson’s, Shannon’s, or Brillouin’s indices, choice of log base, evenness and number of species can also be calculated
Easy to use, with modern Windows interface (configurable toolbar, context menus, simple menu structure).
Numerous user-defined options that are automatically saved for future use.
Saveable desktop; you can save all the results, graphs and notes of the current analysis session to disk, then restore them later to resume where you left off.
Unlimited number of variables and cases (restricted only by available Windows memory, including both RAM and hard disk swap file).
DATA MATRIX MANIPULATION:
- Built in spreadsheet-like data editor; includes full multilevel undo capabilities, row and column deletion and insertion.
- Transposition of matrix.
- Transformation of data, using logarithms to base 10, e, and 2, square root, Aitchison’s logratio for percentage data, and standardization. Individual variables may be selected for transformation.
- Conversion to range through format for stratigraphic studies.
- Can assign individual cases to pre-designated groups; these are then shown on results and graphs.
- Merging of several data files into one.
- Data import and export; Lotus 1-2-3 and Symphony, Excel, Quattro, xBase, Paradox, SIMSTAT, plain text and Cornell Ecology Programs.
- Import process eased by the use of the Import Preview dialog; lets you preview the imported data and change options to ensure successful results.
- Easy selection of variables and cases to include in analysis; no need to modify original data.
- Principal Components Analysis, with the following options: correlation or covariance matrix, centred or uncentred analysis, user defined number of axes to extract, including Kaiser’s and Jolliffe’s rules for average eigenvalues, user defined accuracy level.
- Principal Coordinates Analysis, performed with the following options: use any type of input similarity matrix, user defined number of axes to extract and accuracy level.
- Correspondence Analysis, with these options: Hill’s detrending by segments, choice of cyclic Jacobi or reciprocal averaging algorithm, weighting of rare or common taxa and scaling to percentages, user defined number of axes to extract and accuracy level, choice of alternative scalings for representing cases vs. variables.
- Canonical Correspondence Analysis, a technique highly popular in ecological studies for incorporating environmental variables into an ordination of species distributions.
- Twenty three different similarity and distance measures, including Euclidean, squared Euclidean, standardized Euclidean, cosine theta (or normalized Euclidean), Manhattan metric, Canberra metric, Bray Curtis, chord, squared chord, chi-square, average, and mean character difference distances; Pearson product moment correlation and Spearman rank order correlation coefficients; percent similarity, modified Morisita’s similarity and Gower’s general similarity coefficient; Sørensen’s, Jaccard’s, simple matching, Yule’s, Nei’s and Baroni-Urbani Buser’s binary coefficients.
- Cluster analysis, with the following options: seven strategies (UPGMA, WPGMA, median, centroid, nearest and farthest neighbour, and minimum variance (or Ward’s)), constrained clustering in which the input order is maintained (e.g. stratigraphic studies), randomized input order, integral dendrogram production. Dual clustering of both variables and cases with a sorted data matrix being produced; allows patterns to be seen in the data.
- Diversity indices, with the following options: Simpson’s, Shannon’s, or Brillouin’s indices, choice of log base, evenness and number of species also calculated.
- Scatterplots (2-d and 3-d) of variables in raw data.
- Box and whisker plots of raw data.
- Scatterplots (2-d and 3-d) of PCA, PCO and CA/CCA results.
- Joint plots (scatterplot of variables and cases together) for CA/CCA results.
- Euclidean biplots (scatterplot of cases with variables plotted as vectors) of PCA results.
- CCA biplots, with environmental variables as vectors or, for nominal variables, as centroids.
- Scree plots of eigenvalues from PCA, PCO and CA/CCA results.
- Points on scatterplot can be identified by clicking on point. Also can have labels applied to all points.
- When cases are assigned to groups scatterplots show different symbols for each group. Symbol and color used is user definable.
- Dendrograms of clustering results (both graphic and text-based).
- Zoom in on graphs to view specific areas more closely.
- Fully customizable; can modify fonts, titles, colours, background style, axis scaling and placement, type and colour of scatterplot symbol. All settings saved for future use.
- Save graphs as BMP or WMF files, or copy to Windows clipboard for transfer to other programs.
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Throughout the term of this Agreement and subject to its terms and conditions, Provalis Research Corp. (hereinafter “Provalis”) authorises CLIENT to use the Provalis proprietary computer program(s) identified in the relevant invoice, (hereinafter the “Software”) in consideration for the price mentioned in the relevant invoice.
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Provalis warrants that it has the right to grant this licence to use the Software as contemplated hereunder. Subject to the limitations of Section 10, Provalis will indemnify CLIENT and hold CLIENT harmless against any damages awarded in a final judgement against CLIENT, arising out of any claim, by a third party, that the Software infringes or violates any copyright, trademark or trade secret rights of such third party, in Canada or the United States, provided that:
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Should the Software become, or in Provalis’ opinion be likely to become, the subject of a claim of copyright, patent or 2 trademark infringement or trade secret misappropriation, in Canada or the United States, CLIENT will permit Provalis, at Provalis’ option and expense, either to:
i) procure for CLIENT the right to continue using the Software;
ii) replace or modify the same so that it becomes non-infringing; or
iii) terminate this licence, return to the CLIENT the price of the license minus linear (straight line) depreciation calculated monthly over:
– three (3) years from the date of the purchase of the Software, in the case of perpetual licenses,
– twelve (12) months from the date of the purchase of the Software, in the case of annual licenses,
and accept the return of the Software.
Notwithstanding anything herein to the contrary, however, Provalis shall have no obligation or liability to CLIENT under any provision of this Sub-Section if any copyright, patent or trademark infringement or trade secret misappropriation claim is based upon:
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8. LIMITED WARRANTY
During a period of ninety (90) days from the execution of this license, Provalis will make reasonable efforts to correct any material failure of the Software to so conform or perform substantially in accordance with its documentation, provided that: a) CLIENT promptly gives Provalis detailed written notice, in the form required by Provalis, of any such claimed failure to so conform or perform; b) Provalis is able, using reasonable means, to reproduce and identify the error; c) such failure to so conform or perform is not, in Provalis’ reasonable opinion, a result of any modification of or damage to the Software or its operating environment or of CLIENT’s failure to operate or access to the Software through the proper hardware and software environment; d) such failure to so conform or perform is not, in Provalis’ reasonable opinion, a result of the interaction of the Software with other software or hardware not provided, installed or configured by Provalis; and e) such failure to so conform or perform is not, in Provalis’ reasonable opinion, a result of the Software having been subjected to negligence, unauthorised access or use, or computer or electrical malfunctions.
In the event that Provalis shall fail or be unable for any reason to correct any failure of the Software to substantially conform to or perform substantially in accordance with its documentation, CLIENT may terminate this licence and cease using the Software and benefit from its use, and shall be reimbursed for the price of the license minus linear (straight line) depreciation calculated monthly over:
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CLIENT shall pay to Provalis the price set in the relevant invoice for the use of the Software, within thirty (30) days after the reception of an invoice from Provalis. Late payment may carry interest at a rate of 1% per month and 12% per year, at Provalis’ discretion. Provalis shall have and retain the right to disable CLIENT’s license in case CLIENT has not paid such amount after ninety (90) days without a valid reason.
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This Agreement shall be effective commencing on the Effective Date and represents a licence to use the Software installed by Provalis, subject to the conditions described herein, for the duration specified in the relevant invoice.
12.2 Termination for Breach
Either party may terminate this Agreement upon written notice to the other party if the other party materially breaches the terms of this Agreement and such default continues uncorrected for a period of ten (10) days after notice in writing thereof to such other party. The fact that one of the parties is adjudged bankrupt; makes a proposal for the benefit of its creditors; has a receiver appointed; files a petition of bankruptcy; initiates reorganisation proceedings; causes or permits to occur any similar event under the laws of its domicile; or ceases to conduct its operations in normal course of business; or is wound up will be interpreted as a default under the terms of the present Agreement.
12.3 Effect of Termination
Upon termination of this Agreement, CLIENT will, within fifteen (15) days: a) return all whole or partial copies of the Software to Provalis; b) destroy any copy of the Software, any relevant documentation or results and certify to Provalis, in writing, that all copies not returned to Provalis have been destroyed. Upon termination, all licences granted pursuant to this Agreement and any maintenance and support agreement executed by both parties will also cease. CLIENT shall pay immediately any and all sums then owing to Provalis hereunder together with interests, if any, accrued on said sums.
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Sub-Sections 3.2, 3.3, 3.4, 6.1 and Sections 7, 9, 10, 12 and 13 will survive the termination of this Agreement.
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This Agreement sets forth the entire agreement and understanding between Provalis and CLIENT regarding the subject matter hereof and supersedes any prior representations, advertisements, statements, proposals, negotiations, discussions, understandings, or agreements regarding the same subject matter.
The failure by either party at any time to enforce any of the provisions of this Agreement or any right or remedy available hereunder or at law or in equity, or to exercise any option herein provided, shall not constitute a waiver of such provision, right, remedy or option or in any way affect the validity of this Agreement. The waiver of any default by either party shall not be deemed a continuing waiver, but shall apply solely to the instance to which such waiver is directed.
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This Agreement is written in the English language, at the request of the parties. / Cette entente est rédigée en langue anglaise, à la demande des parties.
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This Agreement shall in all respects be governed by and interpreted, construed and enforced in accordance with the laws applicable within the Province of Quebec, Canada. Any action between Provalis and CLIENT will be venued in a competent court situated within the Judicial District of Montréal, in the Province of Quebec, Canada, and CLIENT irrevocably submits itself to the personal jurisdiction of such courts for such purpose.
13.7 Force Majeure
Each party shall not be in default or otherwise liable for any delay in or failure of its performance as per this Agreement should the cause of such default be beyond its control or due to a case of force majeure. Are deemed to be force majeure any unpredictable and irresistible event and any foreign cause which presents the same characteristics, notably, without limiting the foregoing, the causes beyond Provalis’ control, fire, electrical failures, failures of a telecommunication network or part thereof, floods and other acts of God, accidents, labour disputes, extra-ordinary supplying difficulties, civil unrest, orders, regulations, laws and other governmental interventions, riots, civil or military interventions and act of war (declared or not).
13.8 Assignment and Binding Effect
Provalis may assign, delegate and/or otherwise transfer this Agreement or its rights and obligations hereunder to any person or entity. CLIENT may not assign, delegate or otherwise transfer this Agreement or any of its rights or obligations hereunder without the prior written consent of Provalis. This Agreement shall be binding upon and inure to the benefit of the parties and their respective successors and permitted assigns.
Copyright © 2004-2018 Provalis Research Corp. All rights reserved. No part of this publication may be reproduced or distributed without the prior written permission of Provalis Research Corp., 1604-1255 Robert Bourassa Blvd, Montreal, QC, H3B 3X3, CANADA.
Revised October 2022
Microsoft Windows 98/Windows NT 4 or later (including Windows ME/2000/XP/2003/Vista/7/8/10)
- 8 Mb RAM memory
- 5 Mb disk space
© Copyright 2023 Provalis Research
A powerful multivariate analysis program.