Recent questions tagged r

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How to write a custom function which will replace all the missing values in a vector with the mean of values in R?

Jul 4, 2018 in Data Analytics by DataKing99
 • 8,250 points • 4,578 views
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List packages are used for data mining in R?

Jul 3, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,580 views
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What is a Random Walk model and how can you simulate it using R?

Jul 3, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 3,242 views
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How to sample random rows in dataframe?

Jul 3, 2018 in Data Analytics by anonymous
 • 871 views
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How to sample n random rows per group in a dataframe?

Jul 3, 2018 in Data Analytics by anonymous
 • 5,128 views
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Create vector matrix of movie ratings using R project?

Jun 30, 2018 in Data Analytics by Sahiti
 • 6,370 points • 1,169 views
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How to calculate group mean and assign it to new data in R

Jun 27, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,898 views
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How to find out cluster center mean of DBSCAN in R?

Jun 27, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,480 views
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TwitteR package download of package ‘rjson’ fails in R

Jun 27, 2018 in Data Analytics by Sahiti
 • 6,370 points • 1,343 views
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SMOTE-function not working in R

Jun 27, 2018 in Data Analytics by Sahiti
 • 6,370 points • 2,955 views
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hclust size limit

Jun 26, 2018 in Data Analytics by Sahiti
 • 6,370 points • 997 views
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How to cluster center mean of DBSCAN in R?

Jun 26, 2018 in Data Analytics by Sahiti
 • 6,370 points • 841 views
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How to convert a sentence to word table in R?

Jun 21, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,525 views
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Use different distance formula other than euclidean distance in k means

Jun 21, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,658 views
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Is there any easy way to fill in missing data?

Jun 20, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,100 views
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Extract lhs items from rules in R

Jun 20, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,344 views
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How to write rules generated by Apriori?

Jun 19, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 639 views
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How to cluster a very large dataset in R?

Jun 19, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 3,053 views
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Extract a subset of a data frame based on a condition involving a field

Jun 19, 2018 in Data Analytics by Sahiti
 • 6,370 points • 16,266 views
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Randomly subset of data with dplyr

Jun 19, 2018 in Data Analytics by Sahiti
 • 6,370 points • 861 views
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Do-while loop in R

Jun 14, 2018 in Data Analytics by Sahiti
 • 6,370 points • 718 views
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Drop unused levels from a data frame in R

Jun 14, 2018 in Data Analytics by Sahiti
 • 6,370 points • 1,989 views
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Reshape dataframe without “timevar” from long to wide format in R

Jun 14, 2018 in Data Analytics by Sahiti
 • 6,370 points • 998 views
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Reshape data from long to wide format in R

Jun 14, 2018 in Data Analytics by Sahiti
 • 6,370 points • 2,746 views
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How to evaluate expression given as a string in R?

Jun 7, 2018 in Data Analytics by Sahiti
 • 6,370 points • 4,764 views
+1 vote
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Identify object in R

Jun 7, 2018 in Data Analytics by Sahiti
 • 6,370 points • 655 views
+1 vote
2 answers

How to replace a value in a data frame based on a conditional 'If' statement?

Jun 6, 2018 in Data Analytics by DataKing99
 • 8,250 points • 36,674 views
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1 answer

How to extract a dplyr tbl column as a vector?

Jun 6, 2018 in Data Analytics by DataKing99
 • 8,250 points • 6,636 views
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1 answer

Using dplyr package to summarise multiple columns - R

Jun 6, 2018 in Data Analytics by zombie
 • 3,790 points • 2,103 views
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1 answer

Unable to install the 'devtools' package in R

Jun 6, 2018 in Data Analytics by DeepCoder786
 • 1,720 points • 1,695 views
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1 answer

Loading multiple packages at the same time

Jun 4, 2018 in Data Analytics by DataKing99
 • 8,250 points • 587 views
0 votes
1 answer

Constructing a new data.frame by giving values row by row - R

Jun 4, 2018 in Data Analytics by zombie
 • 3,790 points • 487 views
0 votes
1 answer

How to add regression line equation and R2 on graph?

Jun 1, 2018 in Data Analytics by Sahiti
 • 6,370 points • 6,744 views
0 votes
1 answer

How to order bars in a bar graph using ggplot2?

Jun 1, 2018 in Data Analytics by Sahiti
 • 6,370 points • 1,193 views
0 votes
1 answer

Finding the nth highest value in a vector or a data-frame column

May 31, 2018 in Data Analytics by zombie
 • 3,790 points • 8,878 views
0 votes
1 answer

Trigger a data refresh in shiny

May 31, 2018 in Data Analytics by DataKing99
 • 8,250 points • 4,628 views
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1 answer

How to refresh shiny dataset?

May 31, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,930 views
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1 answer

Python equivalent to replace function in R

May 31, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,406 views
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1 answer

Increasing the amount of memory available to R processes

May 29, 2018 in Data Analytics by zombie
 • 3,790 points • 576 views
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1 answer

R: Sample from a neighborhood according to scores

May 29, 2018 in Data Analytics by DataKing99
 • 8,250 points • 584 views
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1 answer

How to get the output of number of elements to reach a cumulative sum?

May 29, 2018 in Data Analytics by DataKing99
 • 8,250 points • 808 views
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3 answers

How can I add YAML current date in rmarkdown ?

May 28, 2018 in Data Analytics by shams
 • 3,670 points • 15,807 views
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11 answers

Changing the legend title in ggplot

May 24, 2018 in Data Analytics by zombie
 • 3,790 points • 17,696 views
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Applying the same function to every row of a data.frame - R

May 22, 2018 in Data Analytics by DeepCoder786
 • 1,720 points • 1,702 views
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1 answer

Selecting only p-value and r.squared value from linear regression result

May 22, 2018 in Data Analytics by BHARANI
 • 420 points • 1,412 views
+1 vote
1 answer

Binding rows of 2 data-frames which have non-identical columns

May 22, 2018 in Data Analytics by BHARANI
 • 420 points • 6,062 views
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1 answer

Converting a string to title case - R

May 19, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,585 views
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1 answer

How to forecast season and trend of data using STL and ARIMA in R?

May 19, 2018 in Data Analytics by Sahiti
 • 6,370 points • 2,189 views
+5 votes
3 answers

Counting the frequency of unique values - R

May 18, 2018 in Data Analytics by nirvana
 • 3,130 points • 98,614 views
0 votes
1 answer

Removing all objects from work-space except one - R

May 17, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,237 views
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