similar to: drop a letter

hello, I wanna use some mathematics formula and to do this I tried several way in paricular using strsplit textconnection scan setdiff but I think that it's a lil hard the data frame that I'm working on is as follow > donCalcara2 Id_Cara Form_C 1 743

hello, I don't understand what's happen just before the textConnection function runs good but now it doesn't run > Line[1] [1] "if C325=. then C743=(C152/C103)*100| else C743=(C152/C325)*100" > textConnection(Line[1]) Erreur dans textConnection(Line[1]) : toutes les connexions sont utilisées why R display that?

hello, I need help because for my training I need to write a lil program which is able to read a line of character and it would recognize words for example for this line of character if C325=. then C743=(C152/C103)*100| else C743=(C152/C325)*100 the program will be able to recognize the IF ELSE syntaxe and the equations thanks

good morning, I have some SAS code to translate in R code and when I export data from Excel to R I have to read formula writed as follow C604=(C181/S181)*(100-C182)*(100/85) or if C325=. then C740=(C346/C103)*100| else C740=(C346/C325)*100 I find some difficulties to write a good program to read and calculate these formulas there are several kinds of formulas there are with conditional and

I have two data matrices that I want to make the correlation between each column from data1 and each column from data 2 and also calculate the p-value Matrices dont have the same size and I tried such a script. > bg <- read.table (file.choose(), header=T, row.names) > bg > Otu00022 Otu00029 Otu00039 Otu00042 Otu00101 Otu00105 Otu00125 Otu00131 Otu00137 Otu00155 Otu00158 Otu00172

hello, I am trying to find where filtering is done in order to drop packets randomly there (eg.10%of them) for a testing purpose in a school project. I want to do this after packet is filtered and before being sent. I d aprreciate if you could help or suggest. Thanks.

Hi guys, My concern is to create an automated process from the beginning to the end. I want to copy all my code together in one piece and paste it to R console and sit back and relax :) except one moment in which the program should ask me to enter a number.. and only then (only after getting a valid number from me) it should continue to read and process the rest of the code. I tried lots of

Hello, I have a very data matrix and I have a file which has the names that I need to subset. However I cannot manage to subset the main file. ANy idea? bg <- read.table (file.choose(), header=T, row.names) bg Otu00022 Otu00029 Otu00039 Otu00042 Otu00101 Otu00105 Otu00125 Otu00131 Otu00137 Otu00155 Otu00158 Otu00172 Otu00181 Otu00185 Otu00190 Otu00209 Otu00218 Gi20Jun11 0.001217

I am trying to find the percentage of the parameters explaining the bacterial community composition. I have one data matrix with relative abundance of OTUs and one with environmental parameters. I used varpart in vegan package but the values in the venn diagram is bigger than 100% in total.How is it possible? What might be the reason? Thank you library(vegan) gotud <-

I want to find the last record for each person_id in a data frame (from a SQL database) ordered by date. Is there a better way than this for loop? for (i in 2:length(history[,1])) { if (history[i, "person_id"] == history[i - 1, "person_id"]) history[i, "order"] = history[i - 1, "order"] + 1 # same person else history[i,

Hello, I calculate the correlation between two matrices cor(x,y, method="spearman") and I am wondering if it possible to see only the significant correlations. I can do that for single OTUs with cor.test() command but I would like to have an output for whole matrix. Besides,I would like to plot the relative abundance of each OTU, against the number of significant pair-wise correlations

ESX(i) 6 and vCloud Air. At home, KVM and Vagrant. On Tue, Jun 16, 2015 at 10:46 AM, Numan Fatih YARCI < fatih.yarci at linux.org.tr> wrote: > KVM - Vagrant - Docker :) > > On Tue, 16 Jun 2015 at 17:41 Alessandro Baggi <alessandro.baggi at gmail.com> > wrote: > > > Hi list, > > what solution do you use for virtualizzation? > > > > thanks in

I am sure some of you can give me an insight into this. This is more towards the database design for the scenario below: Say for example, I have a person table and this person can have different address types. One could be Home and the other could be say Office. Should be model this Table people id fname lname Table addresses id person_id addr1 addr2 .... or Table people id fname lname

Hi, I am trying to control bandwidths of the connections by using TC with HTB. But I want to implement Leaky Bucket on this structure so as to have a straight flow. Due to being new in this area, could anyone help me how I could do this? Does TC support leaky bucket? Best regards, Fatih Duzova

Hi, I implemented queues on some ports with htb by filtering. and to have a constant bw, i defined rate and ceil the same. But while watching the bw''s, I ve realized they may sometimes exceed the defined value for short periods. How could I avoid this situation? I thought that implementing a leaky bucket''d be fine but i m not sure about this and how to do it on tc. I would be

I discovered an interesting aspect of has_many behavior that I''m struggling to work around. I''m not sure if I''m doing something wrong, or if it''s a legitimate bug, or if it''s an inherent part of Rails that I just have to learn to deal with. It boils down to these two problems: - changes in collection objects (i.e. models that belong_to a container

Dear All, I am trying to perform MANOVA. I have table with 504 columns(species) and 36 rows) with two grouping (season and location) Zx <- Z[c(4:504)] Zxm <- as.matrix(Z) m<- manova(Zxm~Season*location, data=Z) when I do summary.aov, I get respond for each species but summary.manova summary.manova(m) :" residuals have rank" 24<501. What can it be the reason for this error

Dear All, I am plotting a graph in ggplot, I would like to magnify the values between 0-1 without losing data in the higher range. How can I do that? neither scale_y_continous nor coord_cartesian works. Thank you ?zg?l Universit? Libre de Bruxelles

I am in the middle of setting up mysql database for my RoR application. and here is some questions in my mind hope you can help. 1. this is a photoblog story telling like system, where people can creat their own groups the database tables are: people, groups, articls, pictures People to Groups are many-to-many relationships People to Articles are one-to-many Group to Articles are one-to-many

I''ve been puzzling over how to test that attr_accessible has been set for the correct columns; but the tests I''ve come up with so far seem to fail to fail when I expect. I came across this old message from this list: http://www.mail-archive.com/rspec-users at rubyforge.org/msg01570.html Which seemed like a plausible example, but my attempt (modeled on the example)