in Education by
How to replace the values of NA with zeros in some column and data frame I have? Select the correct answer from above options Hadoop questions and answers, Hive questions pdf, Hadoop question bank, Hadoop questions and answers pdf, mcq on Hadoop pdf,Hadoop questions and solutions, Hadoop mcq Test , Interview Hadoop questions, Hadoop Questions for Interview, Hadoop MCQ (Multiple Choice Questions),Core Hadoop Questions, Core Hadoop MCQ,core Hadoop interview questions for experienced

1 Answer

0 votes
by
 
Best answer
You can also use norm package as it has a lot of nice features for the missing data analysis and there’s no need to use apply . For Reference check the following example: > m <- matrix(sample(c(NA, 1:2), 100, replace = TRUE), 2) > d <- as.data.frame(m) V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 1 4 3 NA 3 7 6 6 10 6 5 2 9 8 9 5 10 NA 2 1 7 2 > d[is.na(d)] <- 0 > d V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 1 4 3 0 3 7 6 6 10 6 5 2 9 8 9 5 10 0 2 1 7 2 Comment for doubts. Cheers.

Related questions

0 votes
    How can I convert an RDD to a dataframe? I converted a data frame to rdd using .rdd. After processing ... ,Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Oct 31, 2021 in Education by JackTerrance
0 votes
0 votes
    How can I unload a package without restarting R? I tried library but it doesn't show any options that ... Questions, Core Hadoop MCQ,core Hadoop interview questions for experienced...
asked Oct 30, 2021 in Education by JackTerrance
0 votes
    Can someone please tell me a quick way to convert a nested list of data whose length is 100 and each item is a list of ... 100 rows and 10 columns? I am attaching a sample data: 5...
asked Dec 21, 2021 in Education by JackTerrance
0 votes
    Can someone please tell me a quick way to convert a nested list of data whose length is 100 and each item is a list of ... 100 rows and 10 columns? I am attaching a sample data: 5...
asked Oct 31, 2021 in Education by JackTerrance
0 votes
    What is meant by a memory leak in Java, and how to implement it. Select the correct answer from above ... ,Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Oct 31, 2021 in Education by JackTerrance
0 votes
    Is there any way or any command which I can use in command prompt to know the version of Hadoop? Also, ... ,Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Oct 31, 2021 in Education by JackTerrance
0 votes
    I tried moving the files using WinSCP, but it didn't help. So, I wanna know how can I copy files ... ),Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Oct 31, 2021 in Education by JackTerrance
0 votes
    Could anyone tell me how good Intellipaat's Data Science course is? Select the correct answer from above ... Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Jan 6, 2022 in Education by JackTerrance
0 votes
    Could someone share with me the best way to learn Data Analytics from scratch? Select the correct answer ... Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Jan 6, 2022 in Education by JackTerrance
0 votes
    How can I check if a given value is contained in a vector? Select the correct answer from above options ... Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Dec 21, 2021 in Education by JackTerrance
0 votes
    What exactly is the difference between groupby("x").count and groupby("x").size in Pandas? Select the ... ,Core Questions, Core Hadoop MCQ,core interview questions for experienced...
asked Oct 31, 2021 in Education by JackTerrance
...