Category "na"

Warning message: 'newdata' had 20 rows but variables found have 1000 rows

#This is my model linearMod <- lm( Housing_Training$SalePrice ~ Housing_Training$MSSubClass + Housing_Training$LotFrontage + Housing_Training$LotArea + Hous

Changing a value to N/A

I did a questionnaire research where some of the answers were "I don't know" and "I don't want to answer". Now I need to change those answering options to "N/A"

Why is SparkR-dropna not giving me the desired output?

I have applied the following code on airquality dataset available in R, which has some missing values. I want to omit the rows which has NAs library(SparkR) Sys

How to connect across multiple consecutive missing data values using geom_line?

I have a similar problem to Q: Connecting across missing values with geom_line, but found the answers provided only connect the lines when there is one missing

Benford - Dataset with NA strings returns an error in extract.digits

I've a dataset of macroeconomic data like GDP, inflation, etc... where Rows=different macroeconomic indicators and columns=years Since some values are missing (

How to make predictions even with NAs using predict()?

I want to use predict() with a polr() model to predict variable z, as per the following code. This first is the df to train the model and the subsequent test da