na Questions
2
Solved
I would like to add random NA to a data.frame in R. So far I've looked into these questions:
R: Randomly insert NAs into dataframe proportionaly
How do I add random NAs into a data frame
add ra...
Nigrescent asked 15/9, 2016 at 14:34
3
I'm using ggplot to map data values to a (fortified) SpatialPolygonsDataFrame, but many of the polygons have NA values because there is no data available.
I used na.value = "white" to displ...
2
I have a .csv dataset with many missing values, and I'd like R to recognize them all the same way (the "correct" way) when I read the table in. I've been using:
import = read.csv("/Users/dataset....
6
Solved
I have multiple vectors with NAs and my intention to fill NA which are more than 2 intervals from a valid data point with 0. for example:
x <- c(3, 4, NA, NA, NA, 3, 3)
Expected output is,
...
5
During a simulation I created multiple data sets with > 1,000,000 variables. However, some of the values of these variables are NA and in some cases even all values are NA. Now I'd like to calculat...
4
Solved
My data called "dat":
A B C
NA 2 NA
1 2 3
1 NA 3
1 2 3
I want to be all rows to be removed if it has an NA in column B:
A B C
NA 2 NA
1 2 3
1 2 3
na.omit(dat) removes all rows wit...
3
Solved
I'm having with trouble with ggplot trying to plot 2 incomplete time series on the same graph where the y data does not have the same values on the x-axis (year) - NAs are thus present for certain ...
1
Solved
I have the following data.frame:
x <- data.frame(A = c("Y", "Y", "Z", NA),
B = c(NA, TRUE, FALSE, TRUE),
C = c(TRUE, TRUE, NA, FALSE))
I need to compute the following table:
A B C
Y 1 2
Z ...
3
I'm trying to plot a v. simple boxplot in ggplot2. I have species richness vs. landuse class. However, I have 2 NA's in my data. For some strange reason, they're being plotted, even when they're be...
1
Solved
I am trying to fill missing data based on whether the previous and last NA value are the same. For example, this is the dummy dataset:
df <- data.frame(ID = c(rep(1, 6), rep(2, 6), rep(3, 6), ...
Inheritrix asked 14/5, 2019 at 15:36
1
Solved
I have a problem in my dataframe.
https://gofile.io/?c=eNeEAL
I have several values with -Inf entries. When I want to use the cor-function, I always get NA because of that. So I want to re...
5
Solved
I want to replace the NA value in dfABy from the column A, with the value from the column B, based on the year of column year. For example, my df is:
>dfABy
A B Year
56 75 1921
NA 45 1921...
2
Solved
I'm looking for a way to "fill" NAs to the right (as opposed to down/up) with dplyr. In other words, I would like to convert d into d2 without having to explicitly reference any columns in a mutate...
2
I've recently been using the package tab in R to build frequency tables. The default output of the tabfreq() or the tabmulti() functions excludes NA values. How do I include NA values in their outp...
Surfacetoair asked 14/7, 2018 at 17:32
4
Solved
For commands like max the option na.rm is set by default to FALSE. I understand why this is a good idea in general, but I'd like to turn it off reversibly for a while -- i.e. during a session.
How...
2
Solved
1
How can I create a pandas dataframe column with dtype bool (or int for that matter) with support for Nan/missing values?
When I try like this:
d = {'one' : np.ma.MaskedArray([True, False, True, T...
4
Solved
I already made a similar question but now I want just to restrict the new values of NA.
I have some data like this:
Date 1 Date 2 Date 3 Date 4 Date 5 Date 6
A NA 0.1 0.2 NA 0.3 0.2
B 0.1 NA NA ...
3
Solved
I have a dataset where I observe a variable for some individuals and not for others. For those individuals where I observe the variable, I observe it exactly once. However, the number of observatio...
Hoecake asked 9/1, 2019 at 12:33
9
Solved
Slightly difficult to phrase, as far as I saw none of the similar questions answered my problem.
I have a data.frame such as:
df1 <- data.frame(id = rep(c("a", "b","c"), each = 4),
val = c(NA...
2
Solved
My data seems a bit different than other similar kind of posts.
box_num date x y
1-Q 2018-11-18 20.2 8
1-Q 2018-11-25 21.23 7.2
1-Q 2018-12-2 21.23 23
98-L 2018-11-25 0.134 9.3
98-L 2018-12-2 0.13...
Pronator asked 7/1, 2019 at 2:40
3
Solved
I have a factor named SMOKE with levels "Y" and "N". Missing values were replaced with NA (from the initial level "NULL"). However when I view the factor I get somethi...
Mayne asked 27/4, 2013 at 15:24
5
Solved
I have a list of columns within a dataframe which where i want to check if all those columns are NA and create a new column which tells me if they are NA or not.
Here is an example of it working w...
2
Solved
My dataset looks like the following (let's call it "a"):
date value
2013-01-01 12.2
2013-01-02 NA
2013-01-03 NA
2013-01-04 16.8
2013-01-05 10.1
2013-01-06 NA
2013-01-07 12.0
I would like to repl...
Adventuress asked 4/9, 2013 at 11:34
3
Solved
EDIT: input
very new to this.
I have a similar problem to this:
group by and then count missing variables?
Taking the input data from that question:
df1 <- data.frame(
Z = sample(LETTERS[1:...
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