similar to: how to do t-test in r for difference of mean

I am new to R. I have a data like: x y z w p .......... m 1 10 15 20 25 30 2 11 16 21 26 31 3 12 17 18 19 20 4 51 52 53 55 67 ....... thus I have 145 rows

I want to use grid to modify some boxplots made using ggplot. I would really appreciate if somebody could guide me to a resource on how to use grid to modify such graphics. I guess the basic approach will be similar to using grid to modify lattice graphics. To that extent something that explains use of grid to modify lattice graphics may also be useful. I have gone through vignettes in the grid

What should I do if I need to train svm() with data having same value across all rows in some columns. These must be the important features of the class and we cant exclude these columns to build up models. The error I am getting is: Error in predict.svm(ret, xhold) : Model is empty! In addition: Warning message: In svm.default(datatrain, classtrain) : Variable(s) 'F112' and

I am very new to R so forgive me if this seems basic but I have done extensive searching and failed to come up with the answer for myself. I am trying to label a boxplot I have created with the values for the median, upper and lower quartiles and max and min values. I have been unable to do this or find anything on the net to say how it might be done. Is this possible and if so how? Regards,

Respected all, I am working on a socio-economic survey (named as National Sample Survey in India provided by National Sample Survey Organization, Govt. of India) data of individual as well as households. This is a sample survey where stratified random sapling method has been used to draw samples. The data set uses 'weights' to estimate figures for region, state or

Hello Everyone, I would like to know if I can call one of the columns of a list, to use it as a variable in a function. Thanks in advance for any advice! Jana -- Jana Makedonska, B.Sc. Biology, Universite Paul Sabatier Toulouse III M.Sc. Paleontology, Paleobiology and Phylogeny, Universite de Montpellier II Ph.D. candidate in Physical Anthropology and Part-time lecturer Department of

Hi Everyone, I am working with the R function "dataEllipse". I plot the 95% confidence ellipses for several different samples in the same plot and I color-code the ellipse of each sample, but I do not know how to specify a different line pattern for each ellipse. I can only modify the pattern for all ellipses with the "lty" argument. Any help will be highly appreciated.

Hi I have two tables 1. devices 2. device_categories both associated with each other via foreign key device_category_id in device table. I use scaffold and create a base system. I associate the two models together via belongs_to declaration in device model, and has_many declaration in device_categories model. I also add a device category drop-down box on create page to select

Dear R-users, I am a relatively new R user and I have a simple question. Is there a command attached to a R function, which performs matrix pooling? Thanks in advance, Jana -- -- "The world is full of mysteries. Life is one. The curious limitations of finite minds are another."(J.B.S. Haldane, The Causes of Evolution) Jana Makedonska, M.Sc. Ph.D. candidate/ Part-time lecturer

Dear R-developers, in a new package, I'm currently working on, I tried to add a new method to function "t.test". The new class, on which the method is based, is called "speclib", so I defined the funcion for the new method as "t.test.speclib". R CMD check now gives always a warning, that S3 methods are not consistent, because R does not recognize that the

I would like to run a t-test within a "by" group function. My dataset, "error", is organized as the following (I have 133 Sites): Site week Dataset Region lat_map long_map mean_tsim diff20 diff40 diff80 ALFI 15 USACE UC 48.15625 -117.0938 8.87 1.34 1.90 2.98 ALFI 16 USACE UC 48.15625 -117.0938 10.28 0.57 1.08 2.27 ALFI 17

Hi to anyone who is willing to help, I have a csv. file which has 1999 horses as the rows and the age(in years) of the horse at each race as columns. Ive read this file into R and called it 'horses'. Im trying to find the longest break between each race in the horse's first year of racing. I already have a numeric called 'age.first' which is the age at which each horse had its

Hello All, I am getting my first PRI installed in a couple of weeks and I wanted to ask for a little advice. I have a single span Digium card I will be using for the install. Id there a benefit to which protocol I use? When asked, I told them to set it up as NI2. The PRI is through MCI and will be used for local and long distance with DIDs and features like CallerID, etc. Any advice would be

Hello, I'm trying to analyze the behavior of a series of numbers. Let's say I have the following data: 0 0 0 20 20 20 50 50 53 56 23 24 21 10 0 4 129 159 30 0 0 0 (for example) - these numbers are some measurements that are taken on equal interval of times (but the specific moment in time (e.g. spring or march) is not relevant - just equal intervals of time). What I want to do is based on

hi i had created an indexer n searcher in php in 0.9.4 and it was workin fine. now i installed 0.9.5 but i m getting following error *Fatal error*: No matching function for overloaded 'Document_add_posting' in */home/jana/public_html/final_file_search/file_indexer.php* on line *48 *this is the fragment of my code where i m gettin the error.

Hello, I have recognized a pretty annoying thing with my Samba-Server: My smb.conf is set, that deletet files go into the dir ".Papierkorb". It works well one one Client, but when the user deletes Files on the other client, a dir called "RECYCLER" appears with the file and some .ini files in it. Is there a way to solve this? Both clients are WinXP, I'm using Samba

Hi, I'm trying to match two data frames in order to replace the boundary values in a dataframe.1 with values in dataframe.2 ONLY where the pair id1 id2 matches between the two data frames. Eg. > dataframe.1 ... id1 id2 boundary 3307 1095 1108 438.691 3308 1095 1109 438.691 3309 1095 1121 438.691 3310 1096 1109 438.691 ... 3345 1108 1120 438.691 3346 1108 1121 438.691 3347 1108

Hi, After building R 2.14.1 on a Linux system (SUSE Linux Enterprise Server 11 (x86_64) ), I ran "make check" but it halted with the foll error: Testing examples for package ?base? Error: testing 'base' failed Execution halted I looked in <build dir>/test/Examples/base-Ex.Rout.fail and found the foll: *******EXCERPT ***** ... > ### ------- Pickyness Flags :

Hi Everyone, I am doing a project based on "Spatially Lagged Predictor Variable Models", I would like to know which package in R would execute this model. Also, I am new to this field of spatial statistics. Any suggestions for a good book on spatial regression analysis would be appreciated. Thanks Again. Cheers Arun -- View this message in context:

On 01/13/10 00:56, Jan Sjodin wrote: > Why not use the "standard" algorithm for detecting SESE-regions and building a program structure tree? > It should handle everything you want. It also becomes much simpler to specify a connected SESE-region > by entry/exit edges, while a disconnected region is specified by entry/exit blocks. Only defining regions on > blocks is not