How to create an empty matrix in R??

I am new to R. I want to fill in an empty matrix with the results of my for loop using cbind. My question is, how ca...

na.strings = c() in R?

I am new to R and started exploring na.strings = c() function along with read.csv. I have read that using this opti...

Change the Blank Cells to “NA”?

Here's the link of my data. My target is to assign "NA" to all blank cells irrespective of categorical or numerica...

How to create an empty matrix in R??

I am new to R. I want to fill in an empty matrix with the results of my for loop using cbind. My question is, how ca...

How do I replace NA values with zeros in an R dataframe??

I have a data frame and some columns have NA values. How do I replace these NA values with zeroes? ...

R Error (from NA's to 0): duplicate subscripts for column in Data Frame?

I looked at multiple answers on Stackoverflow, but I stil couldn't fix my problem. I made a function that works, but...

What does is.na() applied to non-(list or vector) of type 'NULL' mean??

I want to select a Cox model with the forward procedure from a data.frame with no NA. Here is some sample data: tes...

na.strings = c() in R?

I am new to R and started exploring na.strings = c() function along with read.csv. I have read that using this opti...

Error in cor(x, use = use) : supply both 'x' and 'y' or a matrix-like 'x'?

I am using the psych package, following code I tried: library(psych) str(price_per_d) Least_appealing <-subset(z...

Merging data - Error in fix.by(by.x, x)?

I am trying to merge data in R as suggested in an answer to my other post here. Yet, I have an error. First let me...

Error while creating heatmaps - NA/NaN/Inf in foreign function call (arg 11)?

I'm trying to prepare heatmap for my data but I have no idea why this error appears. My data: > dput(head(tbl_r...

Omit rows containing specific column of NA?

I want to know how to omit NA values in a data frame, but only in some columns I am interested in. For example, DF...

Correct syntax for mutate_if?

I would like to replace NA values with zeros via mutate_if in dplyr. The syntax below: set.seed(1) mtcars[sample(1:...