Recent questions tagged R

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r - Why predicted polynomial changes drastically when only the resolution of prediction grid changes?

Why I have the exact same model, but run predictions on different grid size (by 0.001 vs by 0.01) getting ... (fit,x_plt_exp2),lwd=3,col=3) See Question&Answers more detail:os...

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

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845 views

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r - Collapse data frame

How can I collapse my data frame where many observations have multiple rows but at most only one value for each ... list of the variable names. See Question&Answers more detail:os...

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

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710 views

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r - Prediction of 'mlm' linear model object from `lm()`

I have three datasets: response - matrix of 5(samples) x 10(dependent variables) predictors - matrix of ... be greatly appreciated, Martin See Question&Answers more detail:os...

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

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737 views

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r - Faster i, j matrix cell fill

I want to take columns of a data.frame/matrix and apply a function to between each cell ([i, j]) of the ... in R (add on packages welcomed)? See Question&Answers more detail:os...

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

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729 views

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r - Several or multiple timeseries plot outputs from a single data frame

Hello, I have been struggling with this problem for a while now and anyone who can help me out I would greatly ... to but i had to try. See Question&Answers more detail:os...

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

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792 views

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r - Change a function's default argument for all calls within a scope

Suppose you want to change the default values of the arguments of a function (to fix ideas let's use dnorm) from ... T_par)). How to do this? See Question&Answers more detail:os...

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

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742 views

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r - Plotting the same output in two tabPanels in shiny

I'm trying to plot the same histogram in two separate tab panels within a tabBox in shiny. I can plot the data ... to plot plot1 in both tabs. See Question&Answers more detail:os...

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

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694 views

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r - How to format a pivot like table that includes records for all time and id values?

I'm collecting logs in R with 3 columns: week, probe, and number of observations. There aren't record when there ... Thanks a lot for any help. See Question&Answers more detail:os...

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

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778 views

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r - Plotting Partial Least Squares Regression (plsr) biplot with ggplot2

Using the data.frame below (Source: http://eric.univ-lyon2.fr/~ricco/tanagra/fichiers/ ... will be 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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871 views

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r - How to automate positioning of inner labels within a stacked barplot?

I frequently have to produce stacked bar plots with labels. The way I've been coding the labels is very time intensive and ... (55, 6.9, "86%") See Question&Answers more detail:os...

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

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745 views

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r - Frequency of values per column in table

What is a good way to get the independent frequency counts of multiple columns using dplyr? I want to go from a ... library, that is fine too. See Question&Answers more detail:os...

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

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752 views

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r - Subtract sets so that rest of the similar multiple elements are retained in the result

For example, I have 2 chairs and one table in set1 and 1 chair in set2. I want to subtract set2 from set1 ... setdiff(set1, set2) gives "table" See Question&Answers more detail:os...

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

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734 views

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r - Generic button for go to next and previous tabItem Shiny

I know this is pretty close to previously aked questions, but after thorough study of those examples I haven't ... feel free to contact me See Question&Answers more detail:os...

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

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817 views

1 answer

r - How to subset a shapefile

The data set of shapefile "Property1A" is: df # suburb area asst # 0 Te Aro 14.541780 R076 # 1 Te Aro 7. ... ' not found Why there is an error? See Question&Answers more detail:os...

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

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827 views

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r markdown - Broken bookdown heading link with duplicate names

I am preparing some documentation in bookdown (gitbook) with a heading structure like the following: 1. Subject A ... the links work correctly? See Question&Answers more detail:os...

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

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825 views

1 answer

r - Reorder a column in a dataframe to a specified order

I have a data frame, where every row has a value, and every block of 100 rows has an index (between 1 ... ,10. Any advice would be 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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1.0k views

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r - reshape from base vs dcast from reshape2 with missing values

Whis this data frame, df <- expand.grid(id="01", parameter=c("blood", "saliva"), visit=c("V1", "V2", "V3" ... , as I'd like to use this one? See Question&Answers more detail:os...

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

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675 views

1 answer

r - Choose groups to keep/drop in data.table

How can I drop/keep groups according to a condition in data.table? Is there a better method than adding a new ... .45732 18.53073 20.73805 100 See Question&Answers more detail:os...

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

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900 views

1 answer

r - Creating a histogram using aggregated data

Embarrassingly simple question... I'm new to R and I can't seem to wrap my head around this for some reason. ... with it and format it nicely. 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 - dplyr: filter rows according to aggregated function result

I have a table listing (amount, year and month) and I want to filter the rows corresponding to complete years. I.e. ... .names = c(NA, -64L)) See Question&Answers more detail:os...

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

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761 views

1 answer

r - Split strings in a matrix column and count the single elements in a new vector

I have a dataset like this from a file read into R with read.table(): Nr Result1 1 "A203,A305,A409,B309 ... steps with R functions! Many 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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767 views

1 answer

r - Pivoting a large data set

I have a csv that looks a bit like this (tabs added for readability): Dimension, Date, Metric A, Mon, 23 A, ... wheel! Thanks for any tips :) See Question&Answers more detail:os...

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

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927 views

1 answer

r - Changing plotting order for stacked bar chart

I am trying to change the plotting order of groups in a stacked bar chart. Others have asked similar questions e ... () plot1 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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701 views

1 answer

r - Add a new column, based on data in between zeroes

I have power data (Power) collected every second (Sample). My data.frame is therefore structured as follows: Test < ... about doing this in R? See Question&Answers more detail:os...

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

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847 views

1 answer

r - Pairwise unique combinations ignoring the direction

I want to aggregate a certain value in a data.frame based on a common character in R. The Problem is ... before combining them into a vector. See Question&Answers more detail:os...

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

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778 views

1 answer

r - How to change the order of words with alphabetic order

I got a dataset with a list of keywords (1 keyword / row). I m looking for a way to create a new column ... sky the | Thanks for your help! See Question&Answers more detail:os...

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

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854 views

1 answer

r - How to order breaks with ggplot / geom_bar

I have a data.frame with entries like: variable importance order 1 foo 0.06977263 1 2 bar 0.05532474 2 ... the answer in this context. See Question&Answers more detail:os...

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

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944 views

1 answer

r - How to update `lm` or `glm` model on same subset of data?

I am trying to fit two nested models and then test those against each other using anova function. The ... dataset as the original model? See Question&Answers more detail:os...

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

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