Recent questions tagged data-science

+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 • 6,091 views
0 votes
1 answer

R lag irregular time series data

May 11, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,086 views
0 votes
1 answer

Changing the column type from numeric to factor - R

May 8, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,150 views
+1 vote
2 answers

Splitting the data into training and testing sets - R

May 7, 2018 in Data Analytics by DataKing99
 • 8,250 points • 6,193 views
0 votes
1 answer

Deleting particular objects from workspace - R

May 7, 2018 in Data Analytics by DataKing99
 • 8,250 points • 827 views
0 votes
1 answer

Discarding duplicate rows from a data.frame - R

May 4, 2018 in Data Analytics by nirvana
 • 3,130 points • 810 views
0 votes
1 answer

Extracting numeric columns from a data.frame - R

May 4, 2018 in Data Analytics by nirvana
 • 3,130 points • 7,789 views
0 votes
7 answers

How to iterate over rows in a Dataframe in pandas (Python)?

May 2, 2018 in Data Analytics by DataKing99
 • 8,250 points • 5,651 views
0 votes
1 answer

data.frame vs matrix

Apr 27, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,258 views
0 votes
1 answer

How to join a list of data frames using map()

Apr 11, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,673 views
0 votes
1 answer

How to apply list to a function which give data frame as output

Apr 11, 2018 in Data Analytics by nirvana
 • 3,130 points • 923 views
+1 vote
2 answers

How to sort a data frame by columns in R?

Apr 10, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,865 views
0 votes
2 answers

How to count unique values in R?

Apr 9, 2018 in Data Analytics by DataKing99
 • 8,250 points • 6,687 views
0 votes
1 answer

R - Error: Duplicate identifiers for rows

Apr 9, 2018 in Data Analytics by nirvana
 • 3,130 points • 3,044 views
0 votes
1 answer

How to apply loops to multiply across various columns in a dataframe?

Apr 6, 2018 in Data Analytics by BHARANI
 • 420 points • 6,737 views
0 votes
1 answer

How to use dplyr functions such as filter() inside nested data frames with map()

Apr 6, 2018 in Data Analytics by nirvana
 • 3,130 points • 4,804 views
0 votes
1 answer

Join list of data.frames using map() call

Apr 6, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,095 views
0 votes
1 answer

How to join two tables (tibbles) by *list* columns in R

Apr 6, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,796 views
0 votes
1 answer

How to achieve pivot like data using tidyverse library in R?

Apr 4, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,142 views
0 votes
1 answer

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

Apr 4, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,151 views
0 votes
1 answer

Examples of real world big data open source applications

Apr 4, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,296 views
0 votes
1 answer

Removing unimportant variables before building Random Forest

Apr 4, 2018 in Data Analytics by BHARANI
 • 420 points • 2,132 views
0 votes
1 answer

AUC for 3-Class prediction in R

Apr 4, 2018 in Data Analytics by BHARANI
 • 420 points • 1,477 views
0 votes
2 answers

In data frame how to spilt strings into values?

Apr 4, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,176 views
0 votes
1 answer

Calculating accuracy of prediction of rpart model

Apr 4, 2018 in Data Analytics by nirvana
 • 3,130 points • 8,422 views
0 votes
1 answer

Selecting a sublist with purrr

Apr 4, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,598 views
+1 vote
1 answer

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

Apr 4, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 1,768 views
0 votes
3 answers

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

Apr 4, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,638 views
0 votes
2 answers

Integration of R with Java

Apr 3, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,015 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?

Apr 3, 2018 in Data Analytics by DataKing99
 • 8,250 points • 1,695 views
+1 vote
5 answers

How to remove NA values with dplyr::filter()

Apr 3, 2018 in Data Analytics by DataKing99
 • 8,250 points • 333,257 views
0 votes
1 answer

How to replace NA with 0 using starts_with()

Apr 3, 2018 in Data Analytics by BHARANI
 • 420 points • 1,757 views
0 votes
1 answer

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

Apr 3, 2018 in Data Analytics by DataKing99
 • 8,250 points • 983 views
0 votes
1 answer

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

Apr 3, 2018 in Data Analytics by nirvana
 • 3,130 points • 3,887 views
0 votes
1 answer

Converting R data-frame to h2o object

Apr 3, 2018 in Data Analytics by nirvana
 • 3,130 points • 2,603 views
0 votes
1 answer

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

Apr 3, 2018 in Data Analytics by nirvana
 • 3,130 points • 1,503 views
0 votes
1 answer

Imputation in R

Mar 27, 2018 in Data Analytics by Ashish
 • 2,650 points • 545 views
+1 vote
2 answers

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

Mar 27, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 1,141 views
+1 vote
2 answers

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

Mar 27, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 2,038 views
0 votes
1 answer

Plotting multiple graphs on the same page in R

Mar 27, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 1,469 views
0 votes
1 answer

Left Join and Right Join using "dplyr"

Mar 27, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 1,218 views
0 votes
1 answer

Finding frequency of observations in R

Mar 26, 2018 in Data Analytics by coldcode
 • 2,090 points • 5,944 views
+1 vote
3 answers

Integration of Google Collaboratory with github

Mar 26, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 3,310 views
0 votes
2 answers

Transforming a key/value string into distinct rows in R

Mar 26, 2018 in Data Analytics by coldcode
 • 2,090 points • 1,299 views
+2 votes
3 answers

Problem with installation of Wordcloud in anaconda

Mar 26, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 18,804 views
0 votes
2 answers

Installing MXNet for R in Windows System

Mar 26, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 2,613 views
0 votes
2 answers

"Train" and "Test" sets in Data Science

Mar 26, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 1,428 views
0 votes
2 answers

What is difference between Distributed search head and Search head cluster?

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,570 points • 2,571 views
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