Recent questions tagged R

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r - How to change positions of x and y axis in ggplot2

In my real research world, it is very common to show x-axis on the top (or both top and bottom) and y- ... at this moment. Could anyone help? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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741 views

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r - Replace <NA> in a factor column

I want to replace <NA> values in a factors column with a valid value. But I can not find a way. This ... column that there is another level? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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r - dplyr - using mutate() like rowmeans()

I can't find the answer anywhere. I would like to calculate new variable of data frame which is based on mean ... you give me some tip? Regards See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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r - Insert a row in a data.table

If I have a data frame set.seed(12345) df=data.frame(a=rnorm(5),b=rnorm(5)) I can add a row by e.g. ... way to insert a row into a data.table? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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751 views

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r - ggplot2 legend for stat_summary

How can I create a legend informing that the red cross is the mean? ggplot(results, aes(x=factor, y=proportionPositive) ... = "red", shape=4) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

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r - Group data and plot multiple lines

I'd like to plot multiple lines in R for this dataset: (x = Year, y = Value) School_ID Year Value A 1998 ... to have one line for each school. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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412 views

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r - Convert summary to data.frame

I have this admission_table containing ADMIT, GRE, GPA and RANK. > head(admission_table) ADMIT GRE GPA RANK 1 0 380 3 ... the any way to do so? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to pass dynamic column names in dplyr into custom function?

I have a dataset with the following structure: Classes tbl_df' and 'data.frame': 10 obs. of 7 variables: $ GdeName : ... .names = c(NA, -10L)) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

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r - Convert summary to data.frame

I have this admission_table containing ADMIT, GRE, GPA and RANK. > head(admission_table) ADMIT GRE GPA RANK 1 0 380 3 ... the any way to do so? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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r - How to pass dynamic column names in dplyr into custom function?

I have a dataset with the following structure: Classes tbl_df' and 'data.frame': 10 obs. of 7 variables: $ GdeName : ... .names = c(NA, -10L)) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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653 views

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r - Loading .RData files into Python

I have a bunch of .RData time-series files and would like to load them directly into Python without first ... best way to accomplish 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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362 views

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r - Get a list of the data sets in a particular package

I would like to get a list of all the data sets in a particular R package shown in the console. I know ... data sets in a particular package. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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r - Annotate ggplot with an extra tick and label

Can you help me annotate a ggplot2 scatterplot? To a typical scatter plot (black): df <- data.frame(x=seq( ... label (red): Example image: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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r - Use outer instead of expand.grid

I'm looking for as much speed as possible and staying in base to do what expand.grid does. I have used outer ... 418.505 451.864 43567.334 ** See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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487 views

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r - Convert binary string to binary or decimal value

Is there any function to convert binary string into binary or decimal value? If I have a binary string 000101, what ... do to convert it into 5? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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494 views

1 answer

r - Add (subtract) months without exceeding the last day of the new month

I am looking to add and subtract six months (bond time) reliably with lubridate. For example, adding six months to ... with it as well. 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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517 views

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r - Changing values when converting column type to numeric

I have a data file with the format from above. I loaded it into R, and tried to plot a histogram with ... anyone know why is this happening? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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r - can the value.var in dcast be a list or have multiple value variables?

In the help files for dcast.data.table, there is a note stating that a new feature has been implemented: " ... variables for the id.var. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

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r - Add x and y axis to all facet_wrap

It is often desirable to minimize ink in a plot. I have a faceted plot (facet_wrap) and would like to ... lines")) Current Plot Desired Plot See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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408 views

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r - How to change order of array dimensions

How do I reorder the dimensions of an n dimensional array. For example, if I have a three dimensional array ... hoping for a general solution. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

1 answer

r - Set the size of ggsave exactly

R question. I got so confused by the width, height, dpi and unit. Why the following two size different? ... is easier for me to understand? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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897 views

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r - select columns based on multiple strings with dplyr contains()

I want to select multiple columns based on their names with a regex expression. I am trying to do it with the ... and 32 rows What's wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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479 views

1 answer

r - Error when with Xcode 5.0 and Rcpp (Command Line Tools ARE installed)

I have a new iMac and I'm trying to run code using the Rcpp library that has been working on both my old iMac ... *** [SBM-Ccode.o] Error 127 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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r - Change colours of particular bars in a bar chart

I've been creating some bar-charts and I was wondering is it possible to colour bars on a chart depending on ... help? Thanks 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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443 views

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r - Removing specific rows from a dataframe

I have a data frame e.g.: sub day 1 1 1 2 1 3 1 4 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 ... which would be tedious to go through and ID each row. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

1 answer

r - rbind dataframes in a list of lists

I have a list of lists that looks like this: x[[state]][[year]]. Each element of this is a data frame, ... I can do so across lists of lists. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

1 answer

r - Modify package function

This is my first time trying this, so apologies if I get the terminology wrong. There's a package (snapCGH ... !") I stuck in my_genomePlot See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

1 answer

r - use multiple columns as variables with sapply

I have a dataframe and I would like to apply a function that takes the values of three columns and computes ... , df$a, df$b, df$c) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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