Displaying 3 results from an estimated 3 matches for "tpoint".
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2011 Dec 11
1
nls start values
...1.694480, 1.632436,
1.471568, 1.623381,
1.579361, 1.809394, 1.753223, 1.685918, 1.754968, 1.963069, 1.820690,
1.985159, 2.205064,
2.160308, 2.120189, 2.194758, 2.165993, 2.189981, 2.098671, 2.122207,
2.012621, 1.963610,
1.884184, 1.955160, 1.801175, 1.829686, 1.773260, 1.588768, 1.563774,
1.559192)
tpoints <-
c(0,0,0,2,2,2,4,4,4,6,6,6,8,8,8,12,12,12,14,14,14,16,16,16,18,18,18,20,20,20,24,24,24)
shift=mean(gene_expression) # y-axis (expression) shift
# Perfect fit
startvals <- list(phase=pi, amp=0.5)
sine_nls <- nls(gene_expression ~ sin(tpoints * afreq + phase) * amp +
shift, start=startva...
2011 Oct 01
2
Entering data into a multi-way array?
Hello: I am a novice R user, but I have been working my way through the
manuals / tutorials, ... I have R / Deducer up and running, and know the
basics.
I want to analyze a microarray (gene expression) dataset.
I need to input the data into R as a multidimensional (multi-way) array,
something on the order of
15,000 x 3 x 8 x 2 [genes x replicates x time points x treatments]
I've
2012 May 10
2
Result of clustering on plot
Hello! I 'm new to R and need your help in one question...
I did cluster analysis using kmeans function. I load data from file:
This file also contains headers for objects I want to cluster.
After making a clustering procedure I display result on plot:
And it shows only points (i.e. objects) without their names.
Is there any way to mark points on this plot with their names from file?
Your