How can I find number of columns in a dataframe

0 votes
How can I find number of columns in a dataframe, and how to find the number of columns that dont have null values
Oct 12, 2018 in Data Analytics by Anmol
• 1,780 points
603 views

1 answer to this question.

0 votes
To know the number of columns in a dataframe use the function NCOL()

To omit the null value indexes out of the result use the function NCOL(na.omit(data_frame_name))
answered Oct 12, 2018 by Abhi
• 3,720 points

Related Questions In Data Analytics

+1 vote
2 answers

How can I drop columns by name in a data frame ?

We can Drop Columns by name in ...READ MORE

answered Apr 14, 2018 in Data Analytics by zombie
• 3,790 points
28,431 views
0 votes
1 answer

How can I increase the number of axis ticks in R ?

You can try to override ggplots default ...READ MORE

answered May 30, 2018 in Data Analytics by zombie
• 3,790 points
6,744 views
0 votes
3 answers

Code snippet to find number of null values in each column in a dataframe in R

colSums(is.na(data_frame_name)) will return you number of nulls ...READ MORE

answered Jul 5, 2019 in Data Analytics by sindhu
17,682 views
0 votes
1 answer

How can I make a list of lists in R?

Lists of lists are simple to create. list1 ...READ MORE

answered Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
621 views
0 votes
1 answer

Big Data transformations with R

Dear Koushik, Hope you are doing great. You can ...READ MORE

answered Dec 18, 2017 in Data Analytics by Sudhir
• 1,570 points
1,036 views
0 votes
2 answers

Transforming a key/value string into distinct rows in R

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

answered Mar 26, 2018 in Data Analytics by Bharani
• 4,660 points
1,186 views
0 votes
1 answer

Finding frequency of observations in R

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

answered Mar 26, 2018 in Data Analytics by Bharani
• 4,660 points
5,893 views
0 votes
1 answer

Left Join and Right Join using "dplyr"

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

answered Mar 27, 2018 in Data Analytics by Bharani
• 4,660 points
1,117 views
+1 vote
2 answers
0 votes
2 answers

How can you find total number of null values in a dataset column wise?

data['Column Name'].isnull().sum() READ MORE

answered May 7, 2020 in Data Analytics by anonymous
2,556 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP