tonytonov

tonytonov has asked 15 questions and find answers to 152 problems.

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About

PhD in mathematics, working in qualitative finance.

tonytonov questions

Why is names(x) better than attr(x, "names")?
Add or override aes in the existing mapping object
stat_function and legends: create plot with two separate colour legends mapped to different variables
How to use empty space produced by facet_wrap?
tidyr::gather vs. reshape2::melt on matrices
Does unique() preserve order?
Do not open RStudio internal browser after knitting
What is the right way to multiply data frame by vector?
Avoid rbind()/cbind() conversion from numeric to factor

tonytonov answers

R: Creating a dynamic list of xts objects
Arranging GGally plots with gridExtra?
How to select colors from a predefined color set in ggplot2
How to fill boxes in geom_point legend with color of points, not just increasing their size?
set ggplot plots to have same x-axis width and same space between dot plot rows
How to read all files in one directory into R at once? [duplicate]
stat_function and legends: create plot with two separate colour legends mapped to different variables
K-fold cross-validation using cv.lm()
Knitr escape latex special characters (e.g., ~, $) in R code
ggplot2: Why symbol sizes differ when 'size' is including inside vs outside aes statement?