George McFadden

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Con actividad desde 2012

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PCA of dataset that contains 4 samples, how to compare principal component results between samples and use biplot to visually compare?
I figured out a work around for using biplot to plot pca results of a dataset that contains 4 samples within the dataset and plo...

más de 12 años hace | 0

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PCA of dataset that contains 4 samples, how to compare principal component results between samples and use biplot to visually compare?
I am performing a pca of dataset A, 163x5. Within A, there are 4 samples that I would like to eventually compare with row indice...

más de 12 años hace | 1 respuesta | 0

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Loop Principal Component Analysis
The easiest way would be to divide your matrix in to 5 matrices, each 10x50. Then do a for loop that calls each matrix. E...

más de 12 años hace | 0

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EX-Stream package
Beware that the formatting is lost when copy and pasting from the thesis document. You need to go through and fix the formatting...

más de 12 años hace | 0

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How to duplicate certain rows of a dataset (class = dataset)?
I have a dataset with 200 rows and 20 columns. I want to duplicate each row that has a depth value of 10, e.g. dataset.depth ==...

más de 12 años hace | 2 respuestas | 0

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How to display sample size on each box of a boxplot? Many boxes have different sample sizes.
Say I graph a boxplot figure with 4 boxes. I would like to display the sample size, n, for each of the individual boxes on the ...

más de 12 años hace | 1 respuesta | 0

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How to set the lower bound of extrapolation?
Hi! Is it possible to set a lower bound for extrapolating using the interp2 function? I am dealing with nitrogen concentrati...

más de 12 años hace | 1 respuesta | 0

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How to set the plot size so the x,y axes are to scale?
I have plotted a figure using contour with inputs from meshgrid and interpolated data. The figure is of Nitrogen concentrations ...

más de 12 años hace | 0 respuestas | 0

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how to import an excel or txt file with multiple columns of 'strings'
I have an excel file with 347 rows and 5 columns of strings. Each string in a cell has single quotes around it. For example: ...

más de 12 años hace | 1 respuesta | 0

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