Latest questions in Data Analytics

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How can I use parallel so that it preserves the list of data frames

You can use pmap as follows: nc <- ...READ MORE

Apr 4, 2018 in Data Analytics by kappa3010
 • 2,090 points • 1,542 views
0 votes
1 answer

Removing unimportant variables before building Random Forest

Build the randomForest model on top of ...READ MORE

Apr 4, 2018 in Data Analytics by Bharani
 • 4,660 points • 2,375 views
0 votes
1 answer

AUC for 3-Class prediction in R

Use type='probs' inside predict() function, so that ...READ MORE

Apr 4, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,753 views
0 votes
2 answers

In data frame how to spilt strings into values?

You can do this using dplyr and ...READ MORE

Dec 5, 2018 in Data Analytics by Kalgi
 • 52,340 points • 1,605 views
0 votes
1 answer

Calculating accuracy of prediction of rpart model

Your first task would be to build ...READ MORE

Apr 4, 2018 in Data Analytics by Bharani
 • 4,660 points • 8,910 views
0 votes
1 answer

Selecting a sublist with purrr

Yes, purrr does provide a package called ...READ MORE

Apr 4, 2018 in Data Analytics by Bharani
 • 4,660 points • 2,045 views
+1 vote
1 answer

How to convert a list of vectors with various length into a Data.Frame?

We can easily use this command as.data.frame(lapply(d1, "length< ...READ MORE

Apr 4, 2018 in Data Analytics by DeepCoder786
 • 1,720 points • 2,311 views
0 votes
3 answers

R vs MATLAB, which is better with respect to machine learning?

Hello, Both are a good programming language you ...READ MORE

Apr 12, 2019 in Data Analytics by SA
 • 1,090 points • 2,216 views
0 votes
2 answers

Integration of R with Java

there is a package called rjava that ...READ MORE

Dec 5, 2018 in Data Analytics by Kalgi
 • 52,340 points • 1,384 views
0 votes
1 answer

How to change mulitiple characters in a column to a date

Firstly we have to set dataf variable ...READ MORE

Apr 3, 2018 in Data Analytics by DeepCoder786
 • 1,720 points • 1,200 views
0 votes
1 answer

How to use a function to repeat a set of procedures on specific set of columns in a data frame?

You can parse the strings to symbols. ...READ MORE

Apr 3, 2018 in Data Analytics by kappa3010
 • 2,090 points • 2,082 views
+1 vote
5 answers

How to filter out na in R?

Try this: df %>% filter(!is.na(col1)) READ MORE

Mar 26, 2019 in Data Analytics by anonymous
 • 338,292 views
0 votes
1 answer

How to replace NA with 0 using starts_with()

Well I could suggest various options such ...READ MORE

Apr 3, 2018 in Data Analytics by Sahiti
 • 6,370 points • 2,169 views
0 votes
1 answer

With the help of tidyverse: how to rename a column to a variable name

With the help of Dplyr: rename function ...READ MORE

Apr 3, 2018 in Data Analytics by DeepCoder786
 • 1,720 points
edited Apr 3, 2018 by DeepCoder786 • 1,332 views
0 votes
1 answer

How to change y axis max in time series using R?

The axis limits are being set using ...READ MORE

Apr 3, 2018 in Data Analytics by Sahiti
 • 6,370 points • 4,270 views
0 votes
1 answer

Converting R data-frame to h2o object

All you have to do is run ...READ MORE

Apr 3, 2018 in Data Analytics by Bharani
 • 4,660 points • 2,952 views
0 votes
1 answer

Building Random Forest on a data-set comprising of missing(NA) values

You have two options, either impute the ...READ MORE

Apr 3, 2018 in Data Analytics by Bharani
 • 4,660 points • 2,054 views
0 votes
1 answer

Imputation in R

You can work with the "Hmisc" package, ...READ MORE

Mar 27, 2018 in Data Analytics by Bharani
 • 4,660 points • 775 views
+1 vote
2 answers

Finding number of missing values and removing those missing values from a data-frame

To find number of missing values for ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 1,478 views
+1 vote
2 answers

Custom Function to replace missing values in a vector with the mean of values

Try this. lapply(a,function(x){ifelse(is.na(x),mean(a,na.rm = TRUE ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 2,429 views
0 votes
1 answer

Plotting multiple graphs on the same page in R

If you want to plot 4 graphs ...READ MORE

Mar 27, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,748 views
0 votes
1 answer

Left Join and Right Join using "dplyr"

The below is the code to perform ...READ MORE

Mar 27, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,601 views
0 votes
1 answer

Using "dplyr" to summarise multiple columns

You can use the "sumamrise_all()" function for ...READ MORE

Mar 27, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,948 views
+1 vote
3 answers

Filtering R data-frame with multiple conditions

You can use the 'filter' function from ...READ MORE

Mar 26, 2018 in Data Analytics by Bharani
 • 4,660 points • 87,998 views
0 votes
1 answer

Finding frequency of observations in R

You can use the "dplyr" package to ...READ MORE

Mar 26, 2018 in Data Analytics by Bharani
 • 4,660 points • 6,284 views
+1 vote
3 answers

Integration of Google Collaboratory with github

You can use SSH protocol to connect ...READ MORE

Aug 7, 2018 in Data Analytics by Kalgi
 • 52,340 points • 3,770 views
0 votes
2 answers

Transforming a key/value string into distinct rows in R

We would start off by loading the ...READ MORE

Mar 26, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,735 views
+2 votes
3 answers

Problem with installation of Wordcloud in anaconda

Using Anaconda Python 3.6 version For Windows ...READ MORE

Aug 7, 2018 in Data Analytics by Priyaj
 • 58,020 points • 19,493 views
0 votes
2 answers

Installing MXNet for R in Windows System

You can install it for python in ...READ MORE

Dec 4, 2018 in Data Analytics by Kalgi
 • 52,340 points • 3,119 views
0 votes
2 answers

"Train" and "Test" sets in Data Science

Normally to perform supervised learning you need ...READ MORE

Aug 3, 2018 in Data Analytics by Abhi
 • 3,720 points • 1,867 views
0 votes
1 answer

Hadoop Streaming job vs regular jobs?

In certain cases, Hadoop Streaming is beneficial ...READ MORE

Mar 22, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 1,342 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

Mar 16, 2018 in Data Analytics by nitinrawat895
 • 11,380 points • 3,005 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

Mar 16, 2018 in Data Analytics by nitinrawat895
 • 11,380 points • 11,616 views
+3 votes
1 answer

Hortonworks Setup for Virtualbox

Dear Learner, Please go to the below link ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 906 views
0 votes
2 answers

why we need beeline?

Remote we are connecting to hive with ...READ MORE

Jul 24, 2020 in Data Analytics by K. Raja Yasodhar
 • 16,813 views
0 votes
1 answer

Accessing Remote Server

Hey Sudhanshu, Hope you're doing great. It was pleasure ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,022 views
0 votes
1 answer

Related to cluster topic

Hi Learner, Hope you are doing well, Please find ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,037 views
0 votes
1 answer

Splunk Cluster instalation document was not uploaded in the cource.

Dear Learner, Greetings ! We would like to inform ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 975 views
0 votes
1 answer

Error , screenshot shared.

Hope you are doing great. Please share with ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 891 views
+1 vote
1 answer

Join using two mappers - invalid inputfile exception

Dear Learner, Hope you are doing well. Can you ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 893 views
0 votes
1 answer

compiler error in Selenium

Dear Learner, Hope you are doing great. Your code ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 965 views
0 votes
1 answer

Issue while running Oozie job

Dear Learner, Hope you are doing well. To overcome ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,766 views
0 votes
1 answer

webinar details to join the session

Session it got resolved READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 2,192 views
0 votes
1 answer

pig script or normal pig command

Dear Narayan, Please accept our sincere apologies for ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 903 views
+1 vote
1 answer

Executing the pig commands

Dear Narayana, Hope you are doing great. Yes you ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 869 views
0 votes
1 answer

Pig - Grunt shell

Dear Narayan, Hope you are doing great. You don't ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,236 views
0 votes
1 answer

How to sync Hadoop configuration files to multiple nodes?

Dear Raman, Hope you are doing great. Please accept ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,334 views
0 votes
1 answer

How to Share the files from local system Mac Book to Edureka VM

Hey Satya, Hope you're doing great. Would you please ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 1,276 views
0 votes
1 answer

VM with network settings in Virtual box

Dear Learner, We hope you are doing well. Please ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 2,058 views
0 votes
0 answers

mysql connection issue in Spark VM

Hi Abhi, I am getting the following error: I ...READ MORE

Dec 18, 2017 in Data Analytics by Learner
 • 937 views
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