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    I would like to adjust the text on the barplot. I tried to adjust hjust/vjust to display as I like ... without overlapping like the last parts. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to find the lead() and lag() element in each group, but had some wrong results. For example, data ... not just about the order)? Thanks~ See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In knitr, the size option works fine in a .Rnw file, the following code generates: documentclass{article} egin{ ... and rmarkdown 0.2.68. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Problem I would like to test if an element of a list exists, here is an example foo <- list(a=1) exists( ... with(...) the preferred approach? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I wonder if it is possible to plot pca biplot results with ggplot2. Suppose if I want to display the ... will be highly appreciated. Thanks See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have following model x <- rep(seq(0, 100, by=1), 10) y <- 15 + 2*rnorm(1010, 10, 4)*x ... bands from the nlme object for the whole population? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using knitr (1.9.5 and 1.9.17) and rmarkdown (0.5.3.1), and would like to hold figure position in the ... ="H"} plot(cars) ``` More test See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a dataframe with numeric entries like this one test <- data.frame(x = c(26, 21, 20), y = c(34, 29, 28)) ... { X <- cbind(X, test[i, ]) } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there a method for moving a column from one position in a data.frame to the next - without typing an ... way? (Imagine 1500+ columns) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the possible documentation available for R package? For example I try to understand sp package. In ... through help and documentation? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have following type of count data. A 450 B 1800 A and B both 230 I want to develop a colorful (possibly semi ... , and it is not to scale. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I wonder if one could simply use LaTeX ewpage command in R markdown v2 in a different way than this: ```{ ... : true keep_tex: true --- See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Here is my R code. The functions are defined as: f <- function(x, T) { 10 * sin(0.3 * x) * ... practice or it may cause some potential trouble? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    There are very nifty ways of subsetting xts objects. For example, one can get all the data for all years ... any other subsetting tricks exist? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I realize that dplyr v3.0 allows you to join on different variables: left_join(x, y, by = c("a" = "b") will match x.a ... x.c] to [y.b and y.d] See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to perform a stepwise linear Regression using p-values as a selection criterion, e.g.: at each ... already implemented version of this. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like to reproduce the plot immediately below by using ggplot2. I can come close, but cannot remove ... panel.border = theme_L_border()) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This simple code (and all my scripts from this morning) has started giving me an off center title in ggplot2: ... "Average bill for 2 people") See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm learning R recently and confused by two function: lapplyand do.call. It seems that they're just similar to ... use a function called map? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have two data.frames that I want to merge together. The first is: datess <- seq(as.Date('2005-01-01'), as. ... 1 {cont} 2009-12-31 thanks 2 See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    > x <- 1.00042589212565 > x [1] 1.000426 If I wanted to print the exact value of x, how would I do it ... how to round. Thank you in advance! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In R software a <- 123456789123456789123456789 sprintf("%27f",a) #[1] "123456789123456791337762816.000000" I got the ... the wrong value of a? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I know we can dynamically add column names when creating columns by reference (using :=), as described e.g. here: ... "test_dtb[ , list((m) = See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    For a publication I need to add a second y-axis to an existing plot. I've come across a means of how to do ... it grid.newpage() grid.draw(g1) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to change the value of a number of columns at once using a lookup table. They all use the ... solve things. Thank you in advance! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Can anyone explain to me why the following example occurs? #Create simple dataframe assign( "df" , data.frame( P ... ) of those objects. Thanks! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    As part of my dataset, one of the columns is a series of 24-digit numbers. Example: bigonumber <- ... to dictate that to them.) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a vector of date objects (yyyy-mm-dd) and I want to determine if any of them are on weekend or not. Is there ... ::wday(x) %in% c(1, 7)] See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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