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r - GGally::ggpairs plot without gridlines when plotting correlation coefficient
GGally::ggpairs plots nice graphs like following one. Only thing I seek to refine it even more is to remove all ... =6)), axisLabels='show') See Question&Answers more detail:os...
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r - Plotting the average values for each level in ggplot2
I'm using ggplot2 and am trying to generate a plot which shows the following data. df=data.frame(score=c(4, ... 's a different store. Thanks! See Question&Answers more detail:os...
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r - Using Roxygen2 Template tags
Could someone provide an example of how to properly use the Template Tags in Roxygen2. I have tried to do ... have not found anything. Thanks. See Question&Answers more detail:os...
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r - Remove a layer from a ggplot2 chart
I'd like to remove a layer (in this case the results of geom_ribbon) from a ggplot2 created grid object. Is there a ... of ggplot (>=2.x.y) See Question&Answers more detail:os...
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r - Remove strip background keep panel border
I have the following type of plot and want to keep each strip text above the individual facet box as a " ... element_rect(colour = "black")) See Question&Answers more detail:os...
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r - How to hide code in RMarkdown, with option to see it
I'm writing an RMarkdown document in which I'd like to re-run some chunks (5 to 9). There's no ... system with essentially the same document. See Question&Answers more detail:os...
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r - lapply with "$" function
Let's say I have a list of data.frames dflist <- list(data.frame(a=1:3), data.frame(b=10:12, a=4:6)) ... ...) : this S4 class is not subsettable See Question&Answers more detail:os...
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r - How to annotate() ggplot with latex
I'd like to add latex text to a ggplot2 plot using annotate(). Using expression(), as described here for ... how can I annotate with latex? See Question&Answers more detail:os...
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r - How does one stop using rowwise in dplyr?
So, if one wishes to apply an operation row by row in dplyr, one can use the rowwise function, for ... you wish to explicitly remove rowwise? See Question&Answers more detail:os...
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r - Methods for doing heatmaps, level / contour plots, and hexagonal binning
The options for 2D plots of (x,y,z) in R are a bit numerous. However, grappling with the options is a bit ... or DWin's method in further work. See Question&Answers more detail:os...
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r - Plot a legend and well-spaced universal y-axis and main titles in grid.arrange
I have the following code which will generate two pdf files containing plots to the current working directory: library( ... + geom_bar(position="dodge") + geom_hline(yintercept=0....
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r - HTML with multicolumn table in Markdown using knitr
I've used knitr and LaTeX but I'm thinking of changing to Markdown as this seems more compatible with Word ... ctable=TRUE) produces this table: See Question&Answers more detail:os...
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r - What is a fast way to set debugging code at a given line in a function?
Preamble: R's trace() is a powerful debugging tool, allowing users to "insert debugging code at chosen places in any function" ... ])[[4]])[[3]] See Question&Answers more detail:os...
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r - Read lines by number from a large file
I have a file with 15 million lines (will not fit in memory). I also have a small vector of line numbers ... function that does it on one pass. See Question&Answers more detail:os...
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r - How to build a dendrogram from a directory tree?
Given a root absolute directory path. How do I generate a dendrogram object of all path's below it so that ... from those two data.frames. See Question&Answers more detail:os...
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r - Loop over rows of dataframe applying function with if-statement
I'm new to R and I'm trying to sum 2 columns of a given dataframe, if both the elements to be summed ... well. Thanks very much for your help. See Question&Answers more detail:os...
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r - Avoid rbind()/cbind() conversion from numeric to factor
I'm trying to build a dataset before plotting it. I decided to use function factory gammaplot.ff() and the first ... be happy to try it out. See Question&Answers more detail:os...
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r - Controlling the 'alpha' level in a ggplot2 legend
In ggplot2, how can I make the legend have a semi-transparent background. The following code, gives a ... that element_rect has that ability. See Question&Answers more detail:os...
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r - Unimplemented type list when trying to write.table
I have the following data.table (data.frame) called output: > head(output) Id Title IsProhibited 1 10000074 Renault ... How can I fix that? See Question&Answers more detail:os...
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r - Fastest way to detect if vector has at least 1 NA?
What is the fastest way to detect if a vector has at least 1 NA in R? I've been using: sum( is.na( ... element, coercion, and the sum function. See Question&Answers more detail:os...
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r - Draw a chronological timeline with ggplot2
I have data like data = as.data.frame( rbind( c("1492", "Columbus sailed the ocean blue"), c("1976", " ... timelines with "periods" or "eras". See Question&Answers more detail:os...
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r - When to use 'with' function and why is it good?
What are the benefits of using with()? In the help file it mentions it evaluates the expression in an ... something else I'm missing? See Question&Answers more detail:os...
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r - plot mixed effects model in ggplot
I am new with mixed effect models and I need your help please. I have plotted the below graph in ggplot: ... than the statistics behind. Thanks See Question&Answers more detail:os...
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r - Quickly remove zero variance variables from a data.frame
I have a large data.frame that was generated by a process outside my control, which may or may not contain variables with ... 6 10 I 10 1 1 J See Question&Answers more detail:os...
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r - Subset elements in a list based on a logical condition
How can I subset a list based on a condition (TRUE, FALSE) in another list? Please, see my example below: ... ] : invalid subscript type 'list' See Question&Answers more detail:os...
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r - Return row number(s) for a particular value in a column in a dataframe
I have a data frame (df) and I was wondering how to return the row number(s) for a particular value ... objects? Any help would be appreciated. See Question&Answers more detail:os...
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r - What's the difference between facet_wrap() and facet_grid() in ggplot2?
I've been reading the ggplot2 documentation for both functions. I was wondering what were the differences and what ... one plot all together. See Question&Answers more detail:os...
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r - Kruskal-Wallis test with details on pairwise comparisons
The standard stats::kruskal.test module allows to calculate the kruskal-wallis test on a dataset: >>> data( ... would you handle the problem? See Question&Answers more detail:os...
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