Latest questions in Data Analytics

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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
 • 95,460 points • 1,204 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
 • 65,730 points • 3,108 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
 • 95,460 points • 3,559 views
0 votes
1 answer

I have tried to classify company data by using Decision tree, But getting an error as : Input contains NaN, infinity or a value too large for dtype('float32').

Hi@Sravanthi, You got this error, because your dataset ...READ MORE

Apr 30, 2020 in Data Analytics by MD
 • 95,460 points • 1,070 views
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 • 734 views
0 votes
0 answers

How to extract one column data using other column data with if else statements with r programming.

Mar 14, 2020 in Data Analytics by Mohith
 • 120 points • 1,195 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 • 1,819 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 • 1,327 views
+4 votes
0 answers

I want to remove NA in single column without remove rows. cause my data have 62 row, after i remove its just 10 without NA

Dec 30, 2019 in Data Analytics by Phan
 • 160 points • 1,250 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 • 1,767 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
 • 1,806 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
 • 33,050 points • 15,028 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
 • 33,050 points • 918 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
 • 33,050 points • 7,142 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
 • 33,050 points • 1,573 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
 • 33,050 points • 1,763 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
 • 33,050 points • 2,088 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
 • 33,050 points • 1,960 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
 • 33,050 points • 4,249 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
 • 33,050 points • 964 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
 • 33,050 points • 1,058 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
 • 33,050 points • 770 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
 • 33,050 points • 840 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
 • 33,050 points • 3,324 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 • 1,213 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 • 1,056 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
 • 33,050 points • 3,079 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
 • 33,050 points • 814 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
 • 33,050 points • 951 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
 • 33,050 points • 2,062 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
 • 33,050 points • 883 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
 • 33,050 points • 8,426 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
 • 33,050 points • 1,866 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
 • 33,050 points • 1,480 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
 • 33,050 points • 1,234 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
 • 33,050 points • 927 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
 • 33,050 points • 1,082 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
 • 33,050 points • 976 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
 • 33,050 points • 844 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
 • 33,050 points • 1,251 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
 • 33,050 points • 879 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
 • 33,050 points • 959 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 • 810 views
0 votes
1 answer

How to check if a element is present in the list?

There are multiple functions for this purpose ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 22,447 views
0 votes
1 answer

How to convert continuous variable to categorical variable and vice versa?

Use discretize function to convert a continuous variable ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 8,448 views
0 votes
1 answer

Do we need to create vectors to create arrays in R?

Yes, you need vectors to create arrays. Arrays take vectors in ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 795 views
0 votes
1 answer

How does paste function work in R?

Paste function concatenates vectors together. Syntax: paste(v1,v2,sep = ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,229 views
0 votes
1 answer

What is the difference between list and vector in R?

The difference are - A list holds different ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 50,001 views
0 votes
1 answer

How to check installed packages from r source?

Use installed.packages() or find.package() function and pass the ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 900 views
0 votes
1 answer

How do I remove an element from a list by index in R?

Use list[index] = NULL The list value will ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 2,720 views
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