[R] Global fit analysis

2013-07-09 Thread Asan Ramzan
I sending this again as I forgot to add a subject Hello R-help   Does anyone know if there is a package for global fit analysis and if so how to use it.  I am trying to calculate the Kd value of a protein interacting with its ligand (When protein interacts with ligand this effect a number of

[R] (no subject)

2013-07-08 Thread Asan Ramzan
Hello R-help   Does anyone know if there is a package for global fit analysis and if so how to use it.  I am trying to calculate the Kd value of a protein interacting with  its ligand (When protein interacts with ligand this effect a number of residues). The table below shows with increasing

[R] assign $y of predict() function output to variable

2011-05-18 Thread Asan Ramzan
Hello R-help Below is the output from the predict() function. How can I assign $y to a variable. predict(function,df2) $x    V1 1   36.28 2   34.73 3   33.74 4   69.87 5   58.88 6   89.44 7   43.97 8   41.94 9   33.34 10  38.47 11  35.16 12  42.94 13  46.76 14  53.24 15  52.43 16  50.40 17 

[R] Excel to R

2011-05-13 Thread Asan Ramzan
Hello R-help   I am trying to copy and paste large column of data from windows Excel into R base speed sheet using:   Data1-edit(data.frame())   But I can only copy and paste one cell at a time which is time consuming.   Also how can assign each column to a variable. [[alternative HTML

[R] group length

2011-05-12 Thread Asan Ramzan
Hi   I have four groups   y1=c(1.214,1.180,1.199) y2=c(1.614,1.710,1.867,1.479) y3=c(1.361,1.270,1.375,1.299) y4=c(1.459,1.335) Is there a function that can give me the length for each, like the made up example below?   function(length(y1:y2) [1] 3 4 4 2 [[alternative HTML version

[R] ANOVA

2011-05-05 Thread Asan Ramzan
Hello R-Help How can i exctact and store the within group mean squared difference from an anova summary table into a varible. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] (no subject)

2011-04-02 Thread Asan Ramzan
Take care about your security http://users5.nofeehost.com/fohadim/wovifuhu.html Love- ItSee msToMeA Dream There are times when all you need is a touch; __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

[R] a simple problem

2011-03-04 Thread Asan Ramzan
Hello R-help   I am working with large data table that have the occasional label,  a particular time point in an experiment. E.g: Time (min), R1 R1, R2 R1, R3 R1, R4 R1 .909, 1.117, 1.225, 1.048, 1.258 3.942, 1.113, 1.230, 1.049, 1.262 3.976, 1.105, 1.226, 1.051, 1.259 4.009, 1.114, 1.231, 1.053,

[R] spline interpolation

2011-02-05 Thread Asan Ramzan
Hello R-help I have the following data for a standard curve concentration(nM),fluorescence 0,48.34 2,58.69 5,70.83 10,94.73 20,190.8 50,436.0 100, 957.9   (1)Is there function in R to plot a spline. (2)How can I interpolation,say 1000 point from 0nM-100nM and store this as a data frame of

[R] least significant difference error bars

2011-02-04 Thread Asan Ramzan
Hello R Currently I am using the sciplot function to draw error bars on my bar charts, but this uses standard error of a mean SEM, is there an alternative variant that will allow me to draw error bars using least significant difference.   Than you. [[alternative HTML version

[R] interpret significance from the contr.poly() function

2011-02-03 Thread Asan Ramzan
Hello R-help I don’t know how to interpret significance from the contr.poly() function . From the example below : how can I tell if data has a significant Linear/quadratic/cubic trend? contr.poly(4, c(1,2,4,8))               .L         .Q          .C [1,]

[R] interpret significance from the contr.poly() function

2011-02-03 Thread Asan Ramzan
Hello R-help (sorry if this message gets posted twice, i think I may have accidently postponed it) I don’t know how to interpret significance from the contr.poly() function . From the example below : how can I tell if data has a significant Linear/quadratic/cubic trend? contr.poly(4,

[R] Finding the maximum in a particular group in a dataframe

2011-02-02 Thread Asan Ramzan
Hello I am trying to find a way to find the max value, for only a subset of a dataframe, depending on how the data is grouped for example, How would I find the maxmium responce, for all the GPR119a condition below: I've tried tapply tapply(GPR119data$responce, GPR119data$GPR119a, max) Error

[R] unequally spaced factor levels orthogonal polynomial contrasts coefficients trend analysis

2011-02-02 Thread Asan Ramzan
Hello [R]-help I am trying to find a package where you can do ANOVA based trend analysis on grouped data using orthogonal polynomial contrasts coefficients, for unequally spaced factor levels. The closest hit I've had is from this web site: