Recent questions tagged R

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r function/loop to add column and value to multiple dataframes

I have 8 data frames that I want to add a column called 'park', then fill this ... . rm (water_land_by_ownname_apis,water_land_by_ownname_indu) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Easiest way to subtract associated with one factor level from values associated with all other factor levels

I've got a dataframe containing rates for 'live' treatments and rates for 'killed' treatments. I'd like ... keep them in there automatically. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Reproducible example and dput error

I'm trying to reproduce a data frame and dput is not cooperating. dput command : dput(head(data, 10)) dput ... then rerun dput and all works. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to use function arguement to set column name

I have dataframe df as follows: df <- data.frame(x = c("A", "A", "B", "B"), y = 1: ... pointed in the right direction very much appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Mass rbind.fill for many data frames

I am attempting to row bind many data frames together into a single massive data frame. The data frames ... this would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Overlapping Lines in ggplot2

I fit 500 curves for two models. I plot each of the fits based on model to check for similarities. The trouble is ... 6L), class = "data.frame") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - 'Embedded nul in string' when importing large CSV (8 GB) with fread()

I have a large CSV file (8.1 GB) that I'm trying to wrangle into R. I created the CSV using Python's csvkit ... Edit: I'm on a Windows machine. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to iterate through parameters to analyse

Is there a better way to iterate through a set of parameters of a given dataset? Obviously, I try to get a ... = "spearman") detach("Liver") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Use ggplot to plot polygon with holes (in a city map)

I have 3 shp files for create a city map: land.shp (polygon drawing the land which is above water) road.shp ( ... road.shp layer in R? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How can I use mutate() and case_when() in a for loop?

I'm writing a Shiny app where the user will be inputting data for conditions of their samples, and the script ... <NA> Ctrl1 ctrl Ctrl2 ctrl See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - plot of an empirical cumulative distribution function (was Percentile plot)

How can I generate a plot like the following in R. It shows the percent of transactions (x) for a given response ... below for my own go at it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Find missing month after grouping with dplyr

I have a data frame with two columns that I am grouping by with dplyr, a column of months (as numerics, e. ... no more than 1 month missing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Filtering a dataframe showing only duplicates

I need some help to filter a dataframe. The df has several columns and I want to split it into two dataframes ... to make that viable. Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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798 views

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r - Extract "words" from a string

I have a table with 153 rows by 9 columns. My interest is the character string in the first column, I want to ... fourth word of all 153 rows? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Using mutate rowwise over a subset of columns

I am trying to create a new column that will contain a result of calculations done rowwise over a subset of columns of a ... 6, 6, 6) ) Best kJ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Using lapply on a list of models

I have generated a list of models, and would like to create a summary table. As and example, here are two models: x <- ... ^2) + I(x^3) 15.03888 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Read csv with two headers into a data.frame

Apologies for the seemingly simple question, but I can't seem to find a solution to the following re-arrangement problem. I' ... 33 2 8 b 44 1 9 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - name and place each element of a list in Global Environment

If you have a list but you want each element of the list to be it's own separate element in the global environment ... ,"b"), SIMPLIFY = FALSE ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Why does this dplyr dput not work?

I have a data frame obtained using the following sequence of pipe operations: library(dplyr) data_agg = data %> ... found Why is this happening? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to use tidyeval on a column to mutate?

I'm sorry for the confusion but eventually, the first example I posted (at the bottom of the page), did not help ... as mutate(mtcars, mpg = 1) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

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r - How to plot additional statistics in boxplot for each group?

I would like to see boxplots of combination of factors and I was told to use lattice for that. I tried it and it looks ... ]][["Pr(>F)"]][2] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Delete columns in text files with specific string

I would like to delete collumns with a specific string "Gtype." from a .txt tab delimited file. I already ... someone have other options.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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743 views

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r - Unescape HTML &#nn; sequences

My text has some HTML escaped characters, for instance, instead of ' there is '. Now I would like ... escaped sequences back to characters? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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r - Stagger axis labels, new feature in ggplot2

Hi there: I need to plot a factor with 81 different categories with different frequency counts each. Each factor name is a ... , 2), "points"))) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Perform union of graphs based on vertex names Python igraph

This issue has been filed on github something like 6 months ago, but since it has not yet been fixed I'm ... in the R implementation of igraph. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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924 views

1 answer

r - tidyr::pivot_wider() reorder column names grouping by `name_from`

I would like to reorder the columns grouping by names_from instead of values_from, here is my minimal example: mtcars ... NA Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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688 views

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r - dplyr / tidyr - Summarise data with conditions

Problem I am trying to use dyplr & tidyr to achieve an output table (like a contingency table I think) which ... be useful as an example)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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857 views

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r - Marginal plots using axis_canvas in cowplot: How to insert gap between main panel and marginal plots

The following came up in a comment to this post: When making marginal plots with the axis_canvas() function in ... How can this be done? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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