Re: 3D postcrania

2004-10-07 Thread morphmet
Andrea, At 07:54 AM 10/5/2004, you Dr. Andrea Cardini wrote: Dear morphometricians, could you please let me know if there is any reference on 3D geometric morphometrics of postcranial bones? Tom Kepple (NIH) and I digitized landmarks from lower extremities of 52 skeletons of contemporary humans

Re: Morphometrics course

2004-09-20 Thread morphmet
Those of you interested in the Morphometrics Course described by Dr. Klingenberg in a recent message should reply directly to him with the information requested. His email address is at the bottom of the message. For those of you who sent the information to morphmet, I have forwarded those

what happens if data with semilandmarks are re-superimposed

2004-09-20 Thread morphmet
Dear morphometricians, I take the chance offered by the topic discussed in the last few messages to ask a similar question. Sliding semilandmarks are, for now, implemented only in TPSrelw (among programs of the TPS-series). I was wondering whether semilandmark data superimposed with TPSrelw could

RE: Relative Warp Analysis

2004-09-19 Thread morphmet
There is no option for that. However, if the data have already been correctly superimposed using other software then there is no harm in having tpsRelw superimpose the data again as it should have no effect. It will mean that the computations will take a fraction of a second longer but that should

Morphometrics course

2004-09-19 Thread morphmet
Dear Morphmet subscribers A course entitled Analysis of Organismal Form (BL 3111) will be taught in the second half of the first semester in the coming academic year (8 November - 17 December 2004). This course is a brief introduction to morphometrics, for advanced undergraduate and graduate

Re: canonical correlation analysis

2004-09-16 Thread morphmet
I haven't seen the question, but judging by the below respond, under consideration is estimation of overall variance of all morphological characters explaned by all environmental characters. If it is the case, and if characters are multinormally ditsibuted, then canonical analysis would work

Re: canonical correlation analysis

2004-09-14 Thread morphmet
Meeghan, As far as I can understand your problem you may not be able to compute an overall percent of morphology ( which is not one variable, but several) explained by your 5 environmental variables. What you definitely can compute would be a single percentage (r^2) of each morphological

Relative Warp Analysis

2004-09-14 Thread morphmet
Dear All: Is it possible to carry out a RWA using the TPSRelW programme with data that has already been superimposed using PAST or Morpheus i.e. turn off the superimposition function in TPSRelW? Thank you Richard -- Hominid Palaeontology Research Group Department of Human Anatomy and

Re: canonical correlation analysis

2004-09-13 Thread morphmet
Meegan Have you tried using CANOCO (http://www.microcomputerpower.com/)? I understand that such software is the most appropriate for the kind of analyses you want to do, however a little expensive. Cheers, Pablo Pablo Jarrin Department of Biology Boston University == Replies will be sent to

Re: canonical correlation analysis

2004-09-08 Thread morphmet
Hello, I am a PhD student at the University of Adelaide. I am working on morphological data of a common species of marine kelp that I collected across Southern Australia (i.e. height, weight, surface area etc). I also have 5 environmental variables (latitude, longitude, exposure, depth and plant

Re: eigenshape error

2004-08-18 Thread morphmet
In my current standard eigenshape package there is an option that allows you to specify the error tolerance you allow in representing the shape. In most cases the number of points you need to accurately represent a complex curve is surprisingly small. This issue is part of what led me to

Clean and jerk

2004-08-18 Thread morphmet
In recognition of the ongoing Olympic competitions, I have been doing some work to clean the morphmet mailing list and jerk addresses showing chronic problems. As always, my criteria for removal of an account is a history of fatal delivery problems extending over more than one month, especially

Morphometric directory - update

2004-07-22 Thread morphmet
I have just added 23 new entries to the directory of people interested in geometric morphometrics. For these new entries, I have used a newer method to encode the e-mail addresses. The new ones can be distinguished by the use of E-mail rather than e-mail for the link. I will slowly replace the old

morpheus and bookstein shape coordinates

2004-07-13 Thread morphmet
Dear morphmet, How do you get bookstein shape coordinates using morpheus? i would like to reflect missing landmarks using bookstein shape coordinates in morpheus software, but right now i am unable to so. Regards, Brian Walczak MSII Chicago College of Osteopathic Medicine www.facos.org CCOM

Re: morpheus and bookstein shape coordinates

2004-07-13 Thread morphmet
Forest University School of Medicine Winston-Salem, North Carolina, USA 27157-1022 Phone: 336-716-5384 Fax: 336-716-2870 === This message is coming to you from [EMAIL PROTECTED] that serves both as the administrative account for morphmet

RE: uniform components

2004-07-12 Thread morphmet
To get an intuitive appreciation of the uniform component you could use the tpsRelw program. Load some data and then press the 'consensus' and 'partial warps' buttons. Then click on the button to display the partial warps. The initial display in that window is just for the uniform component. Click

uniform components

2004-07-09 Thread morphmet
Dear Morphometricians Would you please help me in understanding the meaning of uniform components? I know these describe how much a specimen is stretched on X or Y axis. I also know we extract these components after superimposition and it means size is eliminated before computing uniform

RE: query

2004-07-07 Thread morphmet
There is no requirement that the image files be the same size or that they use the same coordinate system. The analysis of variation in shape is independent of such considerations. --- F. James Rohlf State University of New York, Stony Brook, NY 11794-5245 www:

Re: query

2004-07-07 Thread morphmet
On Tue, 2004-07-06 at 08:41, [EMAIL PROTECTED] wrote: Hi, I too am just beginning, and have a large high rez image with many skulls on it. I used Adobe Photoshop to cut out each image and save them in separate files. I am now reading up on whether landmark analysis requires that each file

Re: query

2004-07-06 Thread morphmet
Hi, I too am just beginning, and have a large high rez image with many skulls on it. I used Adobe Photoshop to cut out each image and save them in separate files. I am now reading up on whether landmark analysis requires that each file size (ie dimensions, and given that each of my images is

RE: query

2004-07-06 Thread morphmet
You will probably find it more convenient to break the file into separate images - one for each leaf. You will then be able to use the tpsDig software to both capture landmarks as well as outlines. --- F. James Rohlf State University of New York, Stony Brook, NY 11794-5245

query

2004-07-01 Thread morphmet
Hello! I'm just starting with leave's morphometrics and I would really appreciate your advice on which programs to use to acquire data from scanned images in JPEG. In each file I have 25 leaves. I have been using sigma scan to measure them, but I don't know how to get landmarks from many leaves in

Re: Batch Files

2004-06-28 Thread morphmet
Sorry for the delay but I am travelling in Rome at the moment. The answer is - no. It has not been setup that way. I could consider it if there is sufficient interest. Jim Rohlf [EMAIL PROTECTED] said: Dear All, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] Just

morphmet test message - just delete

2004-06-25 Thread morphmet
test test == Replies will be sent to list. For more information see http://life.bio.sunysb.edu/morph/morphmet.html.

morphmet housekeeping

2004-06-24 Thread morphmet
: 336-716-5384 Fax: 336-716-2870 === This message is coming to you from [EMAIL PROTECTED] that serves both as the administrative account for morphmet and the support account for the Morpheus et al. software. For more information on how to use

Batch Files

2004-06-23 Thread morphmet
Dear All, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] Just a quick question - is it possible to run TPSSplin with a batch file in a similar fashion to TPSRegr? Thanks, Craig Macadam --- Bradan Aquasurveys Ltd. 109 Johnston

RWA

2004-06-21 Thread morphmet
Dear Morphometrists I am a bigginer in Geometric Morphometrics and I would be really appreciate it if you could help me on my problem. 1) How could we calculate the Splines for tow favorite relative warp and for mean of each population? In softwares sucj tpsSplin and PAST, I can obtain the

testing - just delete this message

2004-06-14 Thread morphmet
=== This message is coming to you from [EMAIL PROTECTED] that serves both as the administrative account for morphmet and the support account for the Morpheus et al. software. For more information on how to use this mailing list see... http://life.bio.sunysb.edu/morph/morphmet.html For more

Suid skull morphometrics

2004-06-10 Thread morphmet
Dear Morphometricians, I would like to know if someone is aware of any study of suid skulls employing GM methods. Thanks in advance for any assistance you can provide. With best regards, -- + - - - - - - - - - - - - Mauro J. Cavalcanti - - - - - - - - - - - - + |Programa de

tpsTri update

2004-06-08 Thread morphmet
I have just uploaded ver. 1.19 of tpsTri to the SB morphometrics server. Relatively small changes. I revised and added new items to the menu in the 'sample scatter' window that displays the random sample of shapes in terms of a superimposition with variation around each landmark. I clarified that

Re: size correction discriminant functions analyses

2004-05-25 Thread morphmet
G'day all, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] Thanks to everyone for your comments. They've been a great help, and I'm glad that my question sparked a bit of discussion on the subject. After some pondering, I've got a few more questions and some more details

human facial changes over time

2004-05-25 Thread morphmet
Is anyone aware of studies regarding changes in facial size or shape over time among adult humans, independent of weight gain, significant dental work, or disfigurement? Thanks. Dennis Groce NIOSH, Morgantown WV == Replies will be sent to list. For more information see

Re: size correction discriminant functions analyses

2004-05-21 Thread morphmet
1) PCA makes no assumptions about the distribution (multivariate normal or otherwise) of your data. It is a procedure that simply produces the linear combinations of variables with maximum variance subject to orthogonality to other such axes. OK, but variance may or may not be a meaningful

Re: size correction discriminant functions analyses

2004-05-21 Thread morphmet
Marta, I have a pdf version of the Darroch Mosimann Biometrika paper. What is your e-mail address so I can send it directly to you. Marc Moniz [EMAIL PROTECTED] -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Thursday, May 20, 2004 11:35 AM To: [EMAIL

morphmet administration back to normal

2004-05-21 Thread morphmet
While my original account problems have not been solved, they have at least be addressed by moving to a new server. So, I now have total (much faster than before) access to the morphmet account. This means list moderation should be back to what passes for normal. However, if you posted a message

Re: size correction discriminant functions analyses

2004-05-20 Thread morphmet
In my understanding to PCA, its main goal is to reduce the dimensionality of a problem without the loss of too much information. In other words, according to Prof. Rohlf, the purpose of PCA is to give you a low dimensional space that accounts for as much variation as possible. However, I agree

Re: size correction discriminant functions analyses

2004-05-20 Thread morphmet
Don't know what happened to cause the earlier message largely void of content, but I think the original communication was to correct the Red Book reference. The date is 1985, not 1982. -ds On Tue, 2004-05-18 at 14:12, [EMAIL PROTECTED] wrote: -- Dennis E. Slice, Ph.D. Department of

Re: size correction discriminant functions analyses

2004-05-20 Thread morphmet
Dear collegues, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] About the above discussion on the linear measurements data for multivariate analysis, I should state that most times my problem (and I expect the problem of many people that wrks with it) is not of

Re: size correction discriminant functions analyses

2004-05-20 Thread morphmet
I applaud your courage, Dr. Hammer. I hope everyone appreciates how intimidating this list of experts can be. I also agree with your point that PCA can be used when the data are not multivariate normal if you are just using it to visualize information, or if you just know what it is doing

Re: size correction discriminant functions analyses

2004-05-20 Thread morphmet
Dr. Hammer, Please consider your courage credited. -ds A couple of points about PCA in general: 1) PCA makes no assumptions about the distribution (multivariate normal or otherwise) of your data. It is a procedure that simply produces the linear combinations of variables with maximum variance

RE: morphologika now available for free download

2004-05-20 Thread morphmet
Dear Colleagues, Nicholas Jones and I are pleased to announce that morphologika, which is a Windows based program for 3d geometric morphometrics is available at: http://www.york.ac.uk/res/fme/index.htm It can be downloaded from the resources page. We ask that you complete details of your

Re: size correction discriminant functions analyses

2004-05-19 Thread morphmet
Dear Brett, If the problem is separating size and shape, then, fortunately, in my edited book titled Morphometrics- Applications in Biology and Paleontology (Springer-Verlag, 2004) you will find a chapter that is written by Garcia-Rodriguez et al. They used the Sheared PCA analysis and could

Re: size correction discriminant functions analyses

2004-05-19 Thread morphmet
There is a method called common PCA which seems to overcome the problem of non-multinormality of overall sample that includes several subsamples all with different central momenta. The source to read is: Flury B. 1988. Common principal components and relatÃ…d multivariate models. NY: Wiley. 258 p.

Re: size correction discriminant functions analyses

2004-05-19 Thread morphmet
Just a comment on this one, from a pragmatic point of view. It is of course true that PCA is only *guaranteed* to produce components maximizing variance if you have multivariate normality. The theory of PCA is based on this assumption. But in many cases, PCA is used purely as a visualization

Re: size correction discriminant functions analyses

2004-05-18 Thread morphmet
Useful, though sometimes technical, information, critiques, and expositions on the traditional use of ratios in morphometric analysis can be found in: Bookstein, F. L. 1991. Morphometric Tools for Landmark Data: Geometry and Biology. (The Orange Book) and Bookstein, F. L., Chernoff, B., Elder,

Re: size correction discriminant functions analyses

2004-05-18 Thread morphmet
You may also try looking at: Bookstein FL (1989) 'Size and shape': a comment on semantics. Systematic Zoology 38:173-180. Marc Moniz -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Tuesday, May 18, 2004 9:51 AM To: [EMAIL

Re: size correction discriminant functions analyses

2004-05-18 Thread morphmet
You mention that you have many more variables than specimens. As a result, you cannot use the various alternatives that you list. Discriminant functions, canonical variates, etc. all require that the pooled within-group covariance matrix be based on a sample size larger than the number of

Re: size correction discriminant functions analyses

2004-05-18 Thread morphmet
Dear Brett and Marta, I think the problem you are encountering may not be the size-versus-shape issue, but a Normal distribution issue. PCA Analysis assumes multivariate normality. I know for human beings the distribution of men and women combined is often not Multivariate Normal. It is

Re: size correction discriminant functions analyses

2004-05-18 Thread morphmet
-- Dennis E. Slice, Ph.D. Department of Biomedical Engineering Division of Radiologic Sciences Wake Forest University School of Medicine Winston-Salem, North Carolina, USA 27157-1022 Phone: 336-716-5384 Fax: 336-716-2870 Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL

Contact me [re: new book -ds]

2004-04-29 Thread morphmet
For those who are interested in my book, please contact me, if you have problems or you need more details, on: [EMAIL PROTECTED] -- Dr. Ashraf M. T. Elewa Associate Professor Geology Department Faculty of Science Minia

morphmet problems

2004-04-29 Thread morphmet
Sorry, folks, but the school upgraded their Microsoft mail server last week and crippled my access to the morphmet account. I can do some things, but it is a painfully difficult process. I have submitted a request for help, but only time will tell if the result is any different from submitting

New book

2004-04-27 Thread morphmet
The following may be of interest to list members: Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] Morphometrics- Applications in Biology and Paleontology edited by Ashraf M. T. Elewa (Minia Univ., Egypt) Springer-Verlag (Heidelberg, Germany). 2004. XIV, 263 p., 104 illus.

Morphmet: spring cleaning

2004-04-21 Thread morphmet
, North Carolina, USA 27157-1022 Phone: 336-716-5384 Fax: 336-716-2870 === This message is coming to you from [EMAIL PROTECTED] that serves both as the administrative account for morphmet and the support account for the Morpheus et al. software

TPSdig and Missing Data

2004-04-21 Thread morphmet
Thanks to all for the helpful responses concerning scaling in TPSdig. Now that I'm collecting data, I've run up against the missing data(MD) problem. Unless TPSdig has a missing landmark option that I've missed, I need to find some way to put a placeholder in the TPS file. The best idea I've

tpsRelw update

2004-04-20 Thread morphmet
I have just uploaded ver. 1.39 of tpsRelw to the SB Morphometrics server. The primary change is to change the way the program slides semilandmarks. It provides a number of new options and also provides additional information. One will probably want to use the new version of the tpsSpline program

Scaling in tpsDIG

2004-04-14 Thread morphmet
Dear Group, I'm making my first foray into 2-D data collection, and have run up against a snag using tpsDig. The documentation states that if one uses the Set Scale feature, the scale factor Also scales the coordinates appropriately. I know that I'm in the correct mode because the Scale Factor

RE: Scaling in tpsDIG

2004-04-14 Thread morphmet
That is correct, the coordinates themselves are still in pixels in order to plot correct against the image. Computations such as centroid size, areas, and linear distances are, however, computed with the scaled coordinates. --- F. James Rohlf State University of New York,

Updated directory of people interested in morphometrics

2004-03-26 Thread morphmet
Stony Brook Morphometrics website update: I have just split the directory of people interested in morphometrics into four parts because it was getting long enough so that it was beginning to load slowly. I have also entered all of the corrections and new entries that people have sent me. Note that

Re: GM-algae

2004-03-23 Thread morphmet
Since I don't see any replies to this, I will offer some comments: a) You're algae is quite nice looking. b) Despite the two-way symmetry of your organisms, if you are not interested in evaluating that part of shape variation, you can proceed (cautiously) to study it ignoring the asymmetry. Any

RE: newbie question

2004-03-10 Thread morphmet
I guess what is meant is the fact that if you compute a normalized PC1 from a correlation matrix based on p variables for data in which PC1 represents size and growth is isometric then the loadings will all be equal to 1/sqrt(p). That is because normalized means that the sum of the squared

GM-algae

2004-03-10 Thread morphmet
Dear morphometricians, currently we are attempting to apply the landmark GM methods in the investigation of population dynamics and phenotypic plasticity in relation to experimentaly defined ecological conditions in some green algae, where the homologous landmarks (and/or semilandmarks) can be

newbie question

2004-03-09 Thread morphmet
Hi there, I got a newbie question. I was reading a paper on interspecific morphological variation, and at some point the authors say that each value of the standardized PC1 for each species was divided by 1/sqrt(number of characters) to assess morphological divergence from isometry. Could

Re: MatLab mapping of pixels from one human body image to

2004-03-09 Thread morphmet
another Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] The mapping of pixels described in today's email from Dr. Taylor is substantially the same as what is offered in the 2D module of our current Edgewarp package. Interested users should upload the 3.26 release from

[no subject]

2004-03-09 Thread morphmet
I have a rather rough tool called MakeFan on my website that might be useful for your project. Have a look at http://www.canisius.edu/~sheets/morphsoft.html It produces output files in TPS format. -Dave Hi, Does anyone know of a program that can digitise open curves, i.e. place landmark

Monitoring to be disabled

2004-03-09 Thread morphmet
I will be out of town for a while. Therefore, monitoring will be temporarily disabled on morphmet. I trust your common sense will tell you that I would not approve any money-laundering ventures with Nigerian widows. I keep all of those for myself and am waiting for my first big payout as soon

Re: MatLab mapping of pixels from one human body image to

2004-03-09 Thread morphmet
another Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] In general, Rohlf's program tpsSuper does this sort of thing. The idea is to: a) GPA the landmarks associated with a number of images (e.g., two) to create a consensus configuration. b) and this is the non-obvious

old EW2 manual

2004-03-09 Thread morphmet
Hello again. For those interested enough to try image unwarping by Edgewarp, the 1994 (!) manual is on line at ftp://brainmap.med.umich.edu/pub/edgewarp2/MANUAL as an ascii file. (Note this is a different directory from the one where the current release itself is actually posted.)

digitising open curves

2004-03-08 Thread morphmet
Hi, Does anyone know of a program that can digitise open curves, i.e. place landmark and non-landmark points along an open-ended line or curve for EES analysis? I can't get tpsdig to do this, and can't see anything else obvious on the SB site. Thanks David

RE: Tps regr

2004-03-02 Thread morphmet
Some comments relative to the numerous questions: 1) When alpha is not zero the uniform component must be left out. This alone can change the relative warps. 2) Different non-zero values for alpha usually changes the relative warps also. The change can be quite large. 3) You should apply any

More on Burnaby

2004-02-24 Thread morphmet
Perhaps I need to expand on the implications of what I said in my message. Because the Burnaby method removes dimensions from a matrix, the resulting matrix is supposed to be singular. That means that software that does not use some form of generalized inverse will complain about the covariance

RE: Burnaby's method and discriminant analysis tolerance

2004-02-24 Thread morphmet
That's right - I was perhaps a little too fast-and-loose when I equated Darroch and Mosimann with Burnaby. It would have been more precise to say that Darroch and Mosimann and Burnaby CAN give the same results, depending upon how you set them up. Dividing each measurement through by

test - ignore

2004-02-17 Thread morphmet
Fax: 336-716-2870 === This message is coming to you from [EMAIL PROTECTED] that serves both as the administrative account for morphmet and the support account for the Morpheus et al. software. For more information on how to use this mailing

Re: Burnaby's method and discriminant analysis tolerance

2004-02-13 Thread morphmet
I don't really remember the details of what the Burnaby scale-adjustment does, but I think it's somewhat similar to Darroch and Mosimann's approach to scale adjustment (someone correct me if I'm wrong). With DM, the measurements are transformed by dividing through by some reasonable measure of

Burnaby's method and discriminant analysis tolerance

2004-02-11 Thread morphmet
Have anyone had problems with the tolerance in discriminant analysis if the input variables for such anlaysis have previously been transformed by Burnaby's method? We are studing the population structure of a fish species in the North Atlantic. 17 variables (distances between landmarks) have

Morpheus Operations

2004-02-10 Thread morphmet
Fellow morphometricians: Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] I would like to ask two questions regarding the operation of morpheus. Firstly, what command line do I have to type in to set the translation mode on for procrustes superimposition. Secondly, I am

Re: Asking for advice

2004-02-09 Thread morphmet
First of all I would like to thank the quickness and the great number of contributions in answering my question about shark morphometrics: although in some concret aspects there are contraditory- or perphaps complementary- advices, in general it has clarified me lots of doubts. I would like to

MANOVA etc. continued

2004-02-05 Thread morphmet
One more thought. Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] In a univariate anova the distinction I made in the previous note is less clear. The division in an anova is by a scalar constant (square root of the error mean square) so that the relative differences

Statistical vs. shape spaces

2004-02-05 Thread morphmet
terribly confused this situation. -ds] I enjoyed seeing morphmet suddenly come to life! Sorry I was not able to comment earlier about MANOVA, permutation tests, etc. (I was busy preparing for a seminar). I agree with a lot of what has been said but I will try making a few points in my own words. 1

RE: MANCOVA on partial warps - designed morphospace debate

2004-02-04 Thread morphmet
Hello all, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] I loved some of the humor I saw in Thom's message, and was impressed that someone was able to insert some humor effectively. I am terrible at it, and even when I don't intend it I find that my messages can read as

Re: Asking for advice

2004-02-02 Thread morphmet
[EMAIL PROTECTED] wrote: I am doing a morphometric study about a shark, but I've got difficulties with the interpretation of the results. I've digitalized 75 specimens and marked 19 landmarks. I don't know whether is better to see the visuallization plot of the partial or of the relative warps

a note on moderator editing

2004-02-02 Thread morphmet
I would just like to remind everyone, that I do some reformatting of messages sent to morphmet. As part of the moderation process the text of messages are transferred from one document to another. This sometimes leads to formatting problems (especially with hard linebreaks). I go through

RE: response to shark question

2004-02-02 Thread morphmet
I agree with most of the suggestions but there is still a role for relative warps in such a study. They give one an overall view of the major variation in the data. The ordination plot often allows one to detect (and thus eliminate) any wild outliers that might be present. It will also give one

[No Subject: response to shark thread -ds]

2004-02-02 Thread morphmet
[Minor reformatting by me - line breaks and such. -ds ] I'd like to insert a comment into a current thread that several of you may have already heard me state in lectures, in previously anonymous reviews, and similar arenas. The stimulus for this was Thom DeWitt's answer just now to

response to shark question

2004-01-30 Thread morphmet
Javier Your question is straightforward and I can recommend the approach I would take. With 19 landmarks you should have 34 PW's. My philosophy says you should ignore the RWs as they are an undesigned morphospace with respect to questions in which you are interested. I would perform the

Asking for advice

2004-01-29 Thread morphmet
I am doing a morphometric study about a shark, but I've got difficulties with the interpretation of the results. I've digitalized 75 specimens and marked 19 landmarks. I don't know whether is better to see the visuallization plot of the partial or of the relative warps for the interpretation of

tpsUtil update

2004-01-28 Thread morphmet
I have just uploaded ver. 1.28 of tpsUtil to the Stony Brook morphometrics server. This implements a suggestion by Diego Astua de Moraes that the 'build tps file' window should use checkboxes and allow multiple selections at the same time as in the 'delete/reorder landmarks' window. It does seem

Re: calipers

2004-01-23 Thread morphmet
Hi Jon, I like the Mitutoyo line: www.mitutoyo.com Cheers, Thom ()()( Dr. Thomas J. DeWitt, Assistant Professor Department of Wildlife Fisheries Sciences Program in Bioenvironmental Sciences Texas AM University 2258 TAMU College Station, TX 77843-2258 Tel.

calipers

2004-01-22 Thread morphmet
Hello Morphmetters, I would appreciate receiving information (i.e., supplier, distributer, price, and specifications) concerning purchasing calipers (e.g., approximately 30 cm maximum span) that can output readings directly to a computer. appreciatively, Jon Jon Stone McMaster University

Re: Shape variables and comparative methods

2004-01-22 Thread morphmet
anything in the morphmet archives (but I'm not sure if I was using them correctly). Thanks in advance, C. Tristan Stayton == Replies will be sent to list. For more information see http://life.bio.sunysb.edu/morph/morphmet.html. == Replies will be sent to list. For more information see http

New Year's Housekeeping

2004-01-20 Thread morphmet
The following accounts have been deleted due to persistent delivery problems. If you recognize someone you believe still wants to be a morphmet subscriber, please contact them and let them know they must resubscribe with a recent address: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED

Re: software for angles

2004-01-16 Thread morphmet
Erin, It seems this would be easy to do in a spreadsheet, but I use MorphoSys since I have it. This program can project two lines to find a vertex and then measure the angle between the lines. The program costs $250 but requires a $2000 out-of-production framegrabber that you can still get,

Re: Scaling, Translation and Rotation with a Subset of

2004-01-16 Thread morphmet
account for morphmet and the support account for the Morpheus et al. software. For more information on how to use this mailing list see... http://life.bio.sunysb.edu/morph/morphmet.html For more information on Morpheus et al. visit... http://life.bio.sunysb.edu/morph/morpheus

software

2004-01-15 Thread morphmet
Hi All, Sender: [EMAIL PROTECTED] Precedence: bulk Reply-To: [EMAIL PROTECTED] I am looking for software that can measure the angle between two lines WITHOUT having to identify the vertex of the angle. Many of the angles I am interested in are very small and I cannot plot the vertex within the

GPA on 72 landmarks for 4431 subjects

2003-12-10 Thread morphmet
To: Kathleen M. Robinette, Ph.D. Principal Research Anthropologist Air Force Research Laboratory I have to get special persmission to install any software on my computer, so I haven't been able to download any of this type of freeware yet. I hope to soon. I am

[Fwd: Graduate training opportunities at NYCEP]

2003-12-10 Thread morphmet
The following should be of interest to the list. -dslice Dear friends and colleagues: As you may already know, NYCEP (the New York Consortium in Evolutionary Primatology) was recently funded by the NSF IGERT Program for 5 more years of

RE: Large sample sizes for TPS programs

2003-12-10 Thread morphmet
With regards to the limit on number of samples in the TPS programs I have (in conjunction with Arnar Palsson) used ~15000 samples (wings) in both TPS RelW and PLS without any problems at all Ian Dworkin [EMAIL PROTECTED] == Replies will be sent to list. For more information see

Padwin Bacwin

2003-10-08 Thread morphmet
This summer the copies of padwin and bacwin were lost from the Stony Brook server. I have tried to reach the author (Jean-Pierre Dujardin) but have not yet received a response. Please contact me if you have a recent address or have a recent copy of these programs. I would like to restore them to

Re: the VTK TPS

2003-10-07 Thread morphmet
Hi Fred, My name is Tim Hutton, apologies for the lack of identification in the previous post (it was my first message to this list). My email and details are below this time. In VTK (the visualization toolkit) there is the option of using the r2logr kernel or the r kernel, since the class does

RE: 3D Thin Plane Spline

2003-10-02 Thread morphmet
Hi, am in the process of exactly the same thing, I have some references, my email address is [EMAIL PROTECTED] Best Regards. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: 01 October 2003 13:16 To: [EMAIL PROTECTED] Subject: 3D Thin Plane Spline Dear

RE: forthcoming conferences

2003-10-01 Thread morphmet
Dear morphmetters There will be a symposium entitled 'Insect Morphometrics' at the next International Congress of Entomology in Brisbane, Australia, 15-21 August 2004. This symposium will feature morphometric studies that contribute to the understanding of insect biology -- development,

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