Latest questions in Data Analytics

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In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE, : there is no package called ‘gridExtra’

Hi@akhtar, In your r studio, the gridExtra module ...READ MORE

Jun 10, 2020 in Data Analytics by MD
• 95,440 points
4,263 views
0 votes
1 answer

Error in ggplot(iris, aes(x = Species, y = Sepal.Length)) : could not find function "ggplot"

Hi@akhtar, You have to install ggplot module in ...READ MORE

Jun 10, 2020 in Data Analytics by MD
• 95,440 points
2,067 views
0 votes
1 answer
0 votes
0 answers

error while executing the OAuthFactory statement

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May 12, 2020 in Data Analytics by AKULA.
• 120 points
496 views
+1 vote
0 answers
0 votes
1 answer

How to create Heatmap for visualizing my dataset?

Hi@akhtar, You have to import seaborn module to ...READ MORE

May 4, 2020 in Data Analytics by MD
• 95,440 points
1,016 views
+2 votes
2 answers

How to create our own dataframe in R?

Data frames are tabular data objects. Unlike ...READ MORE

Oct 29, 2020 in Data Analytics by anonymous
1,171 views
0 votes
1 answer

How to install R Studio in Windows?

Hi@akhtar, To install R Studio in your system, ...READ MORE

Apr 29, 2020 in Data Analytics by MD
• 95,440 points
681 views
0 votes
1 answer

Count the digits in a Numpy array

Hey, @Sourav, We can solve this with the ...READ MORE

Apr 21, 2020 in Data Analytics by Gitika
• 65,910 points
2,197 views
+3 votes
1 answer

at model.fit I'm getting an error as : ValueError: Input contains NaN, infinity or a value too large for dtype('float32').

Hi, I think your X parameter contains null ...READ MORE

Apr 30, 2020 in Data Analytics by MD
• 95,440 points
2,720 views
0 votes
1 answer
0 votes
0 answers

How can I create a graph for R? (barplot)

I want to draw a graph of ...READ MORE

Apr 10, 2020 in Data Analytics by anonymous
• 120 points
355 views
0 votes
0 answers

Rstudio "Erreur : unexpected symbol in:"

Bonjour, I'm new to Rstudio programming. I ...READ MORE

Mar 3, 2020 in Data Analytics by Juli -
• 120 points

edited Mar 4, 2020 by Gitika 1,331 views
+4 votes
0 answers

I was unable to cluster the data points using dbscan in R programming

After using dbscan package I was given with ...READ MORE

Feb 2, 2020 in Data Analytics by ramthotahappy
• 160 points
775 views
+4 votes
0 answers

Counting the frequency of user activities - R

Within a data frame (see below), I ...READ MORE

Dec 3, 2019 in Data Analytics by anonymous
• 160 points
1,222 views
+2 votes
1 answer

Why data cleaning plays a vital role in the analysis?

Data cleaning is the fourth step in ...READ MORE

Nov 22, 2019 in Data Analytics by Keshav
1,215 views
0 votes
1 answer

Error in unique.default(x, nmax = nmax) : unique() applies only to vectors in R

This error is displayed if you used ...READ MORE

Oct 30, 2019 in Data Analytics by Cherukuri
• 33,030 points
13,027 views
0 votes
1 answer

Splitting strings in a list delimited by space

Use strspltit function and provide separator as ...READ MORE

Oct 30, 2019 in Data Analytics by Cherukuri
• 33,030 points
556 views
0 votes
1 answer

What is grob and how to create grobs in ggplot?

A grid graphical object (“grob”) is a ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
6,118 views
0 votes
1 answer

How to arrange ggplots in custom order?

You can arrange a ggplot by using ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,019 views
0 votes
1 answer

Error: `width` is shorter than `ellipsis`FALSE

Add ellipsis = "" attribute to remove ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,173 views
0 votes
1 answer

How to add layers in ggplot?

You can add multiple layers with one ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,580 views
0 votes
1 answer

Add image background to ggplot

I found this way from a blog. Check ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,386 views
0 votes
1 answer

How to use hclust function?

hclust performs hierarchical cluster analysis on a ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
3,232 views
0 votes
1 answer

Add list elments recursively

You cannot use the sum function on ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
534 views
0 votes
1 answer

Intermediate + running sum of vector

Hey, It's quite simple, use the accumulate function ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
593 views
0 votes
1 answer

Edit list elements when condition is met

You can use regular if condition with ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
• 33,030 points
420 views
0 votes
1 answer

Truncate numeric values without round off

You can either use substring function or ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
377 views
+10 votes
1 answer

Will random forest algorithm work if rows have a few duplicate values?

I have no idea about RandomForest, but ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
2,622 views
0 votes
0 answers

How to convert a table into tree?

I used getTree() and randomForest object to ...READ MORE

Oct 22, 2019 in Data Analytics by ch
• 3,450 points
807 views
0 votes
0 answers

How to visualize the randomForest model in R?

How to visualize the randomForest model in ...READ MORE

Oct 22, 2019 in Data Analytics by ch
• 3,450 points
553 views
0 votes
1 answer

unable to install reprtree package

The solution to the same issue is ...READ MORE

Nov 2, 2019 in Data Analytics by Cherukuri
• 33,030 points
2,363 views
0 votes
1 answer

plot function - hide all ticks

hey @ch, Use below attribute to hide all ...READ MORE

Oct 21, 2019 in Data Analytics by Cherukuri
• 33,030 points
445 views
0 votes
1 answer

plot function - hide x/y - axis points

hey @ch, Use the below attribute to hide ...READ MORE

Oct 21, 2019 in Data Analytics by Cherukuri
• 33,030 points
486 views
0 votes
1 answer

Convert a contingency table into dataframe

The simplest way to convert the contingency ...READ MORE

Oct 21, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,361 views
0 votes
1 answer

How to create a weighted data set?

HI @ch, Create a list of elements and ...READ MORE

Oct 21, 2019 in Data Analytics by Cherukuri
• 33,030 points
406 views
0 votes
1 answer

What is the difference between merge and bind in R?

Merge function merges an arbitrarily large series ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
6,799 views
0 votes
1 answer

what is a contingency table?

A contingency table is a table showing ...READ MORE

Oct 21, 2019 in Data Analytics by Cherukuri
• 33,030 points
1,165 views
0 votes
1 answer

Error "Object Concentration not found"

Hi Sanju, is the abc data frame created in ...READ MORE

Oct 18, 2019 in Data Analytics by Cherukuri
• 33,030 points
908 views
0 votes
1 answer

How to find cumulative total of rows in r?

Calculate intermediate sum and total sum using ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
• 33,030 points
756 views
0 votes
1 answer

How to combine 2 fields in a dataframe to create a new field?

Use paste command or append function to ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
• 33,030 points
438 views
0 votes
1 answer

How to find the difference wrt previous value in list/vector?

diff() function returns the difference between numbers ...READ MORE

Oct 16, 2019 in Data Analytics by Cherukuri
• 33,030 points
387 views
0 votes
1 answer

What are the different ways to manage NA's in data?

A few functions to manage NA are ...READ MORE

Oct 16, 2019 in Data Analytics by Cherukuri
• 33,030 points
493 views
0 votes
1 answer

Manage length of field values

Hi, Use str_pad() function to format the length ...READ MORE

Oct 23, 2019 in Data Analytics by Cherukuri
• 33,030 points
495 views
0 votes
1 answer

Create a new string from existing strings in different variables

Its quite simple, Use paste function as ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
• 33,030 points
677 views
0 votes
1 answer

What is a regex?

A regular expression, regex or regexp is ...READ MORE

Nov 2, 2019 in Data Analytics by Cherukuri
• 33,030 points
461 views
0 votes
1 answer

How to use regular expressions in R?

Set of operators to use for regular ...READ MORE

Nov 2, 2019 in Data Analytics by anonymous
• 33,030 points
449 views
0 votes
0 answers

How to get the value passed through url from one page to another in R?

How to get the value passed through ...READ MORE

Oct 16, 2019 in Data Analytics by ch
• 3,450 points
393 views