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Questions tagged [na.rm]

48 questions
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svydesign function with missing data

I am working with secondary data within the survey package in R. I have defined the weight, strata, and cluster using the svydesign function. mydesign <- svydesign(id=~C17SCPSU, weights=~C1_7SC0,strata=~C17SCSTR, nest=TRUE,…
Debbie Hahs-Vaughn
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How do you remove NAs?

penguins %>% select(bill_length_mm) %>% filter(!is.na(bill_length_mm)) %>% mean(as.numeric(bill_length_mm), na.rm=TRUE) Error message: argument is not numeric or logical: returning NA[1] NA Examining the dataset after filtering shows…
Robert Cline
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Issue with na.rm = TRUE when combining multiple character columns using Unite from dplyr

When trying to combine multiple character columns using unite from dplyr, the na.rm = TRUE option does not remove NA. Step by step: Original dataset has 5 columns word1:word5 Image of the original data Looking to combine word1:word5 in a single…
nsmd
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How to I overcome Dividing by Zero Error in R

Hi, Stack community! I came across this error working today. I am not sure exactly how to work around it. I read to use a na.rm in my mutate, and I tried it, but it didn't work. I could be completely wrong.…
72o
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mean of vector with at least n (>1) non-missing values, R

I want to calculate the mean of a vector with missing values only if at least a number of values exist. So for example if only one (or less than five) value(s) are non-missing, I want to return NA, but if I have at least two (or more than five)…
MrMax
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How do I perform operations on variables omitting missing values

I'm sure this question will seem a little bit basic for many but here is my problem: I want to create a new variable which is an equation of other variables in RStudio: D$satisfaction.conditions <- (D$imp.distance * D$sat.distance …
wikninja
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List of data frames - problems with na.rm

I am a newish R user and have a basic question about na.rm I have a long list of dataframes, from which I am trying to calculate column means. I have the following code to do this - results <- lapply(list_of_data_frames, function(x)…
Ollie Perkins
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R custom function to apply to all variables in a dataframe

I am trying to create a custom function that would, applied within a loop, give me a table with all the informations I need for all the variables of my table. My function is based on dplyr functions and base. myfun <- function(x, y) summarise(x,…
GaryDe
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Ignore NA while using mapply

I have the following dataset: longitude latitude NA NA NA NA NA NA NA NA -73.77384042 40.64582098 NA NA NA NA NA NA NA NA NA NA I am using the below code for converting the lat & long to get the location using the below…
GoRion
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na.rm for other values in R

I have a data frame df=data.frame(a=1:5,b=c(1,3,4,-999999,4)) and want to calculate the average of it, but want to exlcude the outlier, -9999 in this case Is there a command similar to na.rm so I can go apply(df,1,function(x) mean(if x>-100 & x…
frank
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Applying multiple functions using the sapply function to columns of data frame

I have a simple and a small data set for which I wish to apply a set of functions to each column or variable of the data frame using the sapply function. Below is the code from R Blogs multi.sapply <- function(...) { arglist <-…
user3571389
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Warning with missing data when making a plot (R) - but am using na.rm=TRUE

I was trying to change the whiskers (upper &lower limits) of boxplots and was directed to boxplotperc() in the StatDA package. The data I'm using has missing values and works fine when using the regular boxplot() However when I used the function…
Ameno
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Where to place NA.RM=TRUE in an equation?

I am doing the following: branques_Idescat_EU <- indexIPI_branques_EU_wide %>% mutate(alimentació = round(C10*(C10/(C10+C11+C12)) + C11*(C11/(C10+C11+C12)) + C12*(C12/(C10+C11+C12)), 1), tèxtil = round(C13*(C13/(C13+C14+C15)) +…
Maria
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na.rm is not found in R

I am trying to use na.rm but it looks like it is not in R at all. I was using it in the past just now it does not seem to be there at all. I tried using the help() function and the ??na.rm both showed not results. How could this suddenly happen? and…
H B
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How to find the mean of a continuous variable for each categorical variable?

I am trying to calculate the average duration of UFO sighting (continuous) for each categorical shape that it is related with. Essentially, what is the average sighting length for each UFO shape? I tried: a <- aggregate(duration..seconds. ~…
Mikayla Baer
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