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randomly replace values to NAs

How to Randomly Replace Values of Numerical Columns in a dataframe to NAs

rstats101 · August 16, 2022 ·

In this tutorial, we will learn how to randomly replace values of numerical columns in a dataframe to NAs or missing values. We will use dplyr's across() function to select only the numerical columns from a dataframe and probabilistically select certain percent of elements to … [Read more...] about How to Randomly Replace Values of Numerical Columns in a dataframe to NAs

Filed Under: dplyr across(), NAs in R Tagged With: randomly replace values to NAs

How to Randomly Replace Values in a Matrix to NAs

rstats101 · August 16, 2022 ·

In this tutorial, we will see how to randomly replace values in a matrix to NAs, missing values. We will first create some data matrix by simulation. Here we create a matrix with 20 rows and 5 columns. The data matrix is complete without any missing values. To … [Read more...] about How to Randomly Replace Values in a Matrix to NAs

Filed Under: NAs in R Tagged With: randomly replace values to NAs

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%in% arrange() as.data.frame as_tibble built-in data R colSums() R cor() in R data.frame dplyr dplyr across() dplyr group_by() dplyr rename() dplyr rowwise() dplyr row_number() dplyr select() dplyr slice_max() dplyr slice_sample() drop_na R duplicated() gsub head() impute with mean values is.element() linear regression matrix() function na.omit R NAs in R near() R openxlsx pivot_longer() prod() R.version replace NA replace NAs tidyverse R Function rstats rstats101 R version scale() sessionInfo() t.test() tidyr tidyselect tidyverse write.xlsx

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