Latest questions in Data Analytics

0 votes
1 answer

Making a ggplot2 plot without any legends,axes or axis labels

The below command will give you the ...READ MORE

May 29, 2018 in Data Analytics by Bharani
 • 4,660 points • 591 views
0 votes
1 answer

Increasing the amount of memory available to R processes

You can use memory.limit() to set the ...READ MORE

May 29, 2018 in Data Analytics by Bharani
 • 4,660 points • 469 views
0 votes
1 answer

Showing percentage instead of counts in a bar plot - ggplot2 - R

Load the 'scales' package first, which gives ...READ MORE

May 29, 2018 in Data Analytics by Bharani
 • 4,660 points • 3,559 views
0 votes
1 answer

R: Sample from a neighborhood according to scores

I would suggest you to use the truncated ...READ MORE

May 29, 2018 in Data Analytics by Sahiti
 • 6,370 points • 372 views
0 votes
1 answer

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

You can use the sapply function, to loop ...READ MORE

May 29, 2018 in Data Analytics by Sahiti
 • 6,370 points • 561 views
0 votes
1 answer

Which command is Opposite of %in% ?

We can use the ! operator inorder ...READ MORE

May 28, 2018 in Data Analytics by zombie
 • 3,790 points • 608 views
0 votes
3 answers

How can I add YAML current date in rmarkdown ?

<$today:MM/dd/yyyy> READ MORE

Mar 25, 2019 in Data Analytics by Anupam Das
 • 14,954 views
0 votes
1 answer

Changing the order of bars in a bar-plot - ggplot2 - R

You can use the scale_x_discrete() function with ...READ MORE

May 28, 2018 in Data Analytics by Bharani
 • 4,660 points • 9,503 views
0 votes
1 answer

Is there a way to make R beep/play a sound?

Yes there are few ways to do ...READ MORE

May 25, 2018 in Data Analytics by zombie
 • 3,790 points • 470 views
0 votes
1 answer

How can I pause, sleep, wait, execution for X seconds in R?

You can try the following piece of ...READ MORE

May 25, 2018 in Data Analytics by zombie
 • 3,790 points • 1,891 views
+4 votes
11 answers

Creating an empty data.frame with only column names - R

Hi, You need to create a data frame ...READ MORE

Dec 11, 2020 in Data Analytics by MD
 • 95,440 points • 107,048 views
0 votes
11 answers

Changing the legend title in ggplot

Hi, you can also try guides() to ...READ MORE

Jul 30, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 16,976 views
0 votes
1 answer

How can I calculate mean per group in a data.frame?

You can use aggregate function for calculating ...READ MORE

May 24, 2018 in Data Analytics by zombie
 • 3,790 points • 3,764 views
0 votes
1 answer

How can I find file name from full file path in R?

You can use: basename("C:/some_dir/filename.ext") # [1] "filename. ...READ MORE

May 24, 2018 in Data Analytics by zombie
 • 3,790 points • 1,153 views
0 votes
1 answer

Converting a pandas data-frame to a dictionary

Emp_dict=Employee.to_dict('records') You can directly use the 'to_dict()' function ...READ MORE

May 23, 2018 in Data Analytics by Bharani
 • 4,660 points • 4,350 views
0 votes
2 answers

Replacing a row in pandas data.frame

key error. I love python READ MORE

Feb 18, 2019 in Data Analytics by anonymous
 • 13,038 views
0 votes
1 answer

Changing Pandas data-frame to JSON type

abc.to_json(orient='records') This command will give you the desired ...READ MORE

May 22, 2018 in Data Analytics by anonymous
 • 1,699 views
0 votes
1 answer

Applying the same function to every row of a data.frame - R

You can use the 'appply()' function for ...READ MORE

May 22, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,453 views
0 votes
1 answer

How can I Split code over multiple lines in an R script?

You can do this as follows: setwd(paste("~/a/very/long/path/here ...READ MORE

May 22, 2018 in Data Analytics by zombie
 • 3,790 points • 1,747 views
0 votes
1 answer

How can I get type of all variables in R?

It is a easy task and one ...READ MORE

May 22, 2018 in Data Analytics by zombie
 • 3,790 points • 905 views
0 votes
1 answer

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

You can use the $ symbol to ...READ MORE

May 22, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,220 views
+1 vote
1 answer

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

You can use the smartbind() function from ...READ MORE

May 22, 2018 in Data Analytics by Bharani
 • 4,660 points • 5,839 views
0 votes
1 answer

Converting a string to title case - R

library(tools) toTitleCase("this is sparta") [1] "this is Sparta" ...READ MORE

May 19, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,335 views
0 votes
1 answer

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

You can use the forecast.stl function for the ...READ MORE

May 19, 2018 in Data Analytics by DataKing99
 • 8,240 points • 1,956 views
0 votes
1 answer

R plot arima fitted model with the original series

This question has many ways to answer, ...READ MORE

May 19, 2018 in Data Analytics by DataKing99
 • 8,240 points • 4,179 views
+5 votes
3 answers

Counting the frequency of unique values - R

Hi, You can use plyr module. It will give ...READ MORE

Dec 14, 2020 in Data Analytics by MD
 • 95,440 points • 94,667 views
0 votes
1 answer

How can I rotate axis labels in R ?

library(ggplot2) p <- data.frame(Day=c("2011-04-11", "2014-05-24","2004-01-12","2014-06-20","2010-08-07","2014-05-28"), Impressions=c(24010,15959,16107,21792,24933,21634),Clicks=c(211,106,248,196,160,241)) p       ...READ MORE

May 18, 2018 in Data Analytics by zombie
 • 3,790 points • 1,675 views
0 votes
1 answer

How can I install R with Homebrew ?

brew tap homebrew/science brew install Caskroom/cask/xquartz brew install r The ...READ MORE

May 18, 2018 in Data Analytics by zombie
 • 3,790 points • 337 views
0 votes
1 answer

Removing all objects from work-space except one - R

You can use the 'keep()' function from ...READ MORE

May 17, 2018 in Data Analytics by Bharani
 • 4,660 points • 1,054 views
+2 votes
5 answers

Printing a data.frame without index - Python

.tolist() function will remove index READ MORE

Mar 11, 2019 in Data Analytics by nishant thakur
 • 86,942 views
0 votes
1 answer

How to filter a data frame with dplyr and tidy evaluation in R?

Requires the use of map_df to run each model, ...READ MORE

May 17, 2018 in Data Analytics by DataKing99
 • 8,240 points • 1,633 views
0 votes
1 answer

How to extract tidy output from many single-variable models using purrr/broom?

You can try this solution: filter_starwars <- function(...) ...READ MORE

May 17, 2018 in Data Analytics by DataKing99
 • 8,240 points • 586 views
0 votes
1 answer

How can I save grid.arrange() plot to file ?

grid.arrange() directly draws on our device. However, ...READ MORE

May 16, 2018 in Data Analytics by zombie
 • 3,790 points • 6,474 views
0 votes
1 answer

How can I add x and y axis labels in ggplot2 ?

# Load a dataset(to work with) # We’ll ...READ MORE

May 16, 2018 in Data Analytics by zombie
 • 3,790 points • 906 views
+1 vote
2 answers

Locating row index of a column which has the maximum value - R

Hi, Nirvana You can also try this. which(iris$Sepal.Length == ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 12,691 views
0 votes
1 answer

Removing all white-spaces from a string

You can use the 'str_replace_all()' function from ...READ MORE

May 16, 2018 in Data Analytics by Bharani
 • 4,660 points • 395 views
0 votes
1 answer

Reordering levels of a factor variable

The factor() function provides the 'levels' attribute ...READ MORE

May 15, 2018 in Data Analytics by Bharani
 • 4,660 points • 608 views
0 votes
1 answer

Appending values to a vector - R

This is actually quite easy, all you ...READ MORE

May 15, 2018 in Data Analytics by Bharani
 • 4,660 points • 583 views
0 votes
1 answer

Assigning global variables from inside a function - R

You can assign global variables from inside ...READ MORE

May 15, 2018 in Data Analytics by Bharani
 • 4,660 points • 10,210 views
0 votes
1 answer

How can I install older version of R package ?

Supposedly you want to install some old ...READ MORE

May 14, 2018 in Data Analytics by zombie
 • 3,790 points • 1,593 views
+1 vote
1 answer

How to extract every nth element of a vector using R?

m <- 1:50 n<- m[seq(1, length(m), 6)] The above ...READ MORE

May 14, 2018 in Data Analytics by zombie
 • 3,790 points • 27,727 views
0 votes
1 answer

Remove messages from R markdown report

All you have to do is, set ...READ MORE

May 14, 2018 in Data Analytics by Bharani
 • 4,660 points • 3,477 views
0 votes
1 answer

Any filter based on conditional criteria in r?

Consider a data frame like this: #Create DF ...READ MORE

May 11, 2018 in Data Analytics by Sahiti
 • 6,370 points • 1,975 views
0 votes
1 answer

R lag irregular time series data

You could try using: library(dplyr) library(zoo) na.locf(ts$value[sapply(ts$time, function(x) min(which(ts$time - ...READ MORE

May 11, 2018 in Data Analytics by Sahiti
 • 6,370 points • 795 views
0 votes
1 answer

How can I use R to list all files with a specified extension ?

fls <- list.files(pattern = "\\.dbf$") $ at the ...READ MORE

May 11, 2018 in Data Analytics by zombie
 • 3,790 points • 678 views
0 votes
1 answer

How can I left align two graph edges?

By using a modified version of rbind.gtable ...READ MORE

May 11, 2018 in Data Analytics by zombie
 • 3,790 points • 358 views
0 votes
1 answer

How can I print string and variable contents on the same line using R?

There are two options for doing so.  You ...READ MORE

May 9, 2018 in Data Analytics by zombie
 • 3,790 points • 1,658 views
0 votes
1 answer

How can I select a CRAN mirror in R ?

There are many ways of doing so ...READ MORE

May 9, 2018 in Data Analytics by zombie
 • 3,790 points • 748 views
0 votes
1 answer

How can I append rows to an R data frame?

Consider a dataSet i.e cicar(present under library ...READ MORE

May 9, 2018 in Data Analytics by zombie
 • 3,790 points • 10,498 views
0 votes
1 answer

How can I learn R?

As the name signifies it's only an ...READ MORE

May 9, 2018 in Data Analytics by zombie
 • 3,790 points • 308 views
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