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35 results for “from:Newbie”

Pass Conditional & loop argument into a function
greatest.possible.newbie · Aug 8, 2012 · r-help

Dear R community, I have been spending hours to solve my problem myself but I'm just unable to do it. So excuse me if I demand your time. My problem is, that inside my function, I want to pass...

Error in pf(q, df1, df2, lower.tail, log.p) : Non-numeric argument to mathematical function
newbie_2010 · Apr 26, 2010 · r-help

inputfille snpid indid genotype gvariable probeid gene geneexpression rs1040480 CHB_NA18524 C/T 2 GI_19743926-I PTPRT 5.850586 rs1040480 CHB_NA18526 C/C 1 GI_19743926-I PTPRT 6.028641 rs1040480 CHB_NA18529 C/C 3 GI_19743926...

sample() question
R Newbie · Aug 18, 2010 · r-help

Just to clarify some of your language here before some others rip you apart, you mean to say you'd like to take a random sample of size 5 and not 5 random samples. Now, I believe you can control...

Hierarchical clustering using own distance matrices
Newbie@R · May 25, 2010 · r-help

Hey Everyone! I wanted to carry out Hierarchical clustering using distance matrices i have calculated ( instead of euclidean distance etc.) I understand as.dist is the function for this, but the distances in the dendrogram i got by using the...

identify() doesn't return "true" numbers
greatest.possible.newbie · May 11, 2012 · r-help

Dear R community. I am using the identify() function to identify outliers in my dataset. This is the code I am using: #################################################################### # Function to allow identifying points in the QQ plot (by mouseclicking) qqInteractive <- function(..., IDENTIFY = TRUE) { qqplot(...) -> X abline...

Hierarchical clustering using own distance matrices
Newbie@R · May 26, 2010 · r-help

Newbie at R wrote: > > Hey Everyone! > > I wanted to carry out Hierarchical clustering using distance matrices i > have calculated ( instead of euclidean distance etc.) > > I understand as.dist is the function for this, but the distances in the > dendrogram i...

Displaying Results in Two Columns
R Newbie · Aug 18, 2010 · r-help

Could I have some suggestions as to how (various ways) I can display my confidence interval results? rm(list = ls()) set.seed(1) func <- function(d,t,beta,lambda,alpha,p.gamma,delta,B){ d <- c(5,1,5,14...

Error message: object of type 'closure' is not subsettable
Newbie · Aug 21, 2011 · r-help

Thank you for your help, even though there was such an obvious mistake, Im sorry for that I have now tried to incorporate your suggested solution, but just as last time (the other post that you referred to), I get...

Error message: object of type 'closure' is not subsettable
Newbie · Aug 18, 2011 · r-help

Dear R-users I need to calibrate kappa, rho, eta, theta, v0 in the following code, see below. However when I run it, I get: y <- function(kappahat, rhohat, etahat, thetahat, v0hat) {sum(difference(k, t, S0, X, r, implvol...

Multiple Comparisons-Kruskal-Wallis-Test: kruskal{agricolae} and kruskalmc{pgirmess} don't yield the same results although they should do (?)
greatest.possible.newbie · Aug 3, 2012 · r-help

Thank you for your answer. The p.adj argument in the kruskal()-function doesn't seem to change anything... Not even the "bonferroni"-method although it is described as the most conservative one (multiplying all p-values with the number...

Problem when index is given by a changing formula in loop - BUG??
greatest.possible.newbie · May 18, 2012 · r-help

Dear community, I have a little problem filling in a vector with loop output. I think the problem is the following: I am caluclating the index which indicates where the loop output should be placed at by a formula. But...

Calibrating the risk free interest rate using nlminb
Newbie · Aug 16, 2011 · r-help

Dear R-users I am trying to find a value for the risk free rate minimizing the difference between a BS call value with impl. volatilities minus the market price of a call (assuming this is just the average bid...

nlminb - how to avoid evaluating initial parameters infinite in integrate
Newbie · Aug 24, 2011 · r-help

Dear R-users. I am faced with a problem I dont know how to solve. I need to calibrate the Heston stochastic volatility model, and have (to my own belief) created a code for calculating the prices of options by...

How to vectorize a function to handle two vectors
Newbie · Aug 26, 2011 · r-help

Dear R-users I am trying to "vectorize" a function so that it can handle two vectors of inputs. I want the function to use phi (a function), k[1] and t[1] for the first price, and so on...

Multiple Comparisons-Kruskal-Wallis-Test: kruskal{agricolae} and kruskalmc{pgirmess} don't yield the same results although they should do (?)
greatest.possible.newbie · Aug 2, 2012 · r-help

Hi there, I am doing multiple comparisons for data that is not normally distributed. For this purpose I tried both functions kruskal{agricolae} and kruskalmc{pgirmess}. It confuses me that these functions do not yield the same results although they...

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