Recent questions tagged R

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r - Create 3D Plot Colored According to the Z-axis

library(Sleuth2) mlr<-lm(ex1222$Buchanan2000~ex1222$Perot96*ex1222$Gore2000) for (i in 0:3) { assign(paste("betaHat ... of the new 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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r - Statistical test with test-data

If I am using two method (NN and KNN) with caret and then I want to provide significance test, how can I ... wilcox.test() here. Warm 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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r - combine two data frames with all posible combinations

I have 2 data frames. How I can make something like tidyr::complete with them using tidyverse? My data: df <-data.frame(a ... 1 b 1 a 2 b 2 Thx! 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 - Too many labels on axis

I'm having some trouble with qplot in R. I am trying to plot data from a data frame. When I execute ... color = Classification) + geom_point() 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 - Is there a fast estimation of simple regression (a regression line with only intercept and slope)?

This question relates to a machine learning feature selection procedure. I have a large matrix of features - ... via mclapply or mclapply2. 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 - Convert/export googleway output to data frame

I'm trying to make sense and convert googleway.distance output into a data frame. I have a sample of 10 ... 2nd element of destinations, etc.) 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 - Get monthly means from dataframe of several years of daily temps

I have daily temperature values for several years, 1949-2010. I would like to calculate monthly means. Here is an ... the mean of "MEAN.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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r - How to perform arithmetic on values and operators expressed as strings?

I have a character variable with ratios (proportions) expressed as strings: x <- c("2/3", "5/6", "3/11" ... are converted into NA What to do? 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 - Control column widths in a ggplot2 graph with a series and inconsistent data

In the artificial data I have created for the MWE below I have tried to demonstrate the essence of a script I ... a graph should be visible.") 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 - using variable column names in dplyr summarise

I found this question already asked but without proper answer. R using variable column names in summarise function in ... answer to this now. See Question&Answers more detail:os...

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

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329 views

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r - Reshape Data Long to Wide - understanding reshape parameters

I have a long format dataframe dogs that I'm trying to reformat to wide using the reshape() function. It ... use in reshape to achieve 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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r - dplyr replacing na values in a column based on multiple conditions

I have this data with two NA values in the Occupation column and I am trying to use dplyr to replace the values ... ), class = "data.frame") 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 - Merge getSymbols result into one xts object

I have the following code: library(quantmod) tckrs <- c("TLT", "LQD", "HYG", "SPY", "DBC") NumTckrs < ... anyone know how this could be done? 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 order bars within all facets?

This question is following my (now deleted) question. This is my data : i <- data.frame( nbr =c(15.18 ,11. ... the x-axis of the first facet ! See Question&Answers more detail:os...

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

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298 views

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r - Calculating time difference by ID

I have data like this: Incident.ID.. = c(rep("INCFI0000029582",4), rep("INCFI0000029587",4)) date = c("2014 ... 2014-10-10 23:04:00 1348116 See Question&Answers more detail:os...

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

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535 views

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r - error in strsplit when trying to separate by a comma

I have the vector length # [1] 15,34, 12,24, 225, # Levels: 12,24, 15,34, 225, and I want to ... strsplit(length, ",") : non-character argument See Question&Answers more detail:os...

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

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307 views

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r - creating accompanying slides for bookdown project

In Rstudio, I create a new project and select book project using bookdown. The built in example runs ... questions. Many thanks. thomas See Question&Answers more detail:os...

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

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388 views

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r - Sum object in a column between an interval defined by another column

I have a data frame like this: df A B [1,] 1 4 [2,] 2 3 [3,] 3 5 [4,] 4 7 [5,] 5 5 [6,] 6 ... [df$A<3])) but it does not give me what I want. See Question&Answers more detail:os...

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

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303 views

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r - Complete column with group_by and complete

I've got a little problem using dplyr group_by function. After doing this : datasetALL %>% group_by(YEAR,Region) % ... it's not succeeding... See Question&Answers more detail:os...

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

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457 views

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r - Sort year-month column by year AND month

I am trying to order a series of time data I have stored in a data frame. The format is of: "%Y-%b" Which ... to fix. Please help... Best Kasper See Question&Answers more detail:os...

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

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519 views

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r - use rollapply and zoo to calculate rolling average of a column of variables

I want to calculate the rolling mean for all variables in column "sp". This is a sample of my data: the_date sp ... when I group by sp? 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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323 views

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r - Convert numeric to date

I'd like to convert this type of numeric values to a date but it doesn't work. 20100727 for instance I tried to ... 't work. How can I do ? See Question&Answers more detail:os...

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

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361 views

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r - Finding overlapping ranges between two interval data

I have one table with coordinates (start, end) of ca. 500000 fragments and another table with 60000 single coordinates ... sep="", header=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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r - how do you order Months in ggplot

I have this data frame called yy: structure(list(Time = structure(c(1209096000, 1238731200, 1272600000, ... really appreciate any insight. See Question&Answers more detail:os...

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

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547 views

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r - ggplot2: geom_smooth confidence band does not extend to edge of graph, even with fullrange=TRUE

I've been working on generating a few scatterplots in ggplot2 and found that my geom_smooth se shade (same exact ... to the upper axis boundary? See Question&Answers more detail:os...

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

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545 views

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r - Return pmin or pmax of data.frame with multiple columns

Is there a way to select the pmax/pmin of a data frame with multiple columns?? I want only the max or ... maximum value across all the 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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300 views

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r - Why does rm inside a function not delete objects?

rel.mem <- function(nm) { rm(nm) } I defined the above function rel.mem -- takes a single argument and ... work for an arbitrary call depth. See Question&Answers more detail:os...

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

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301 views

1 answer

r - Convert a printed message into a character vector

Suppose I have a file "data.txt", which can be created with the following code m <- matrix(c(13, 14, 4950, 20, ... would be [1] "Read 15 items" See Question&Answers more detail:os...

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

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