Trending questions in Data Analytics

+5 votes
0 answers

"Error in tagAssert: argument "body" is missing, with no default" when trying to create a dashboard using shiny R

I'm trying to create a dashboard using ...READ MORE

Dec 11, 2018 in Data Analytics by Ali
 • 10,440 points
edited Dec 11, 2018 by Ali • 392 views
0 votes
1 answer

Add radio buttons on shiny R dashboard

Yess of course that's possible. ShinyR provides ...READ MORE

Dec 5, 2018 in Data Analytics by Maverick
 • 10,040 points • 772 views
0 votes
1 answer

Dynamically select element from a list and work with it - Shiny R

Follow these steps: Import the data into R Check ...READ MORE

Dec 5, 2018 in Data Analytics by Maverick
 • 10,040 points • 750 views
0 votes
1 answer

Can we have an if loop inside a for loop in R programming?

You're If loop doesn't have any condition ...READ MORE

Dec 21, 2018 in Data Analytics by Sophie may
 • 9,870 points • 51 views
0 votes
1 answer

Does Geshi support the R programming language?

rplus was not included in the official ...READ MORE

Dec 21, 2018 in Data Analytics by Sophie may
 • 9,870 points • 43 views
0 votes
1 answer

“subscript out of bounds” Error in r programming

This error is likely to occur when ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 42,540 points • 2,209 views
0 votes
2 answers

How to change column names of a Data frame?

Try this way - names(data frame) <- ...READ MORE

Aug 26 in Data Analytics by anonymous
 • 31,840 points • 94 views
0 votes
2 answers

How to count the number of elements with the values in a vector?

Use dplyr function group_by(). > n = as.data.frame(num) > ...READ MORE

Aug 21 in Data Analytics by anonymous
 • 31,840 points • 131 views
0 votes
1 answer

Identify object in R

Hi,  You can use ? followed by the ...READ MORE

Jul 2 in Data Analytics by anonymous
 • 31,840 points • 38 views
0 votes
1 answer

How to sendkeysElement using R?

You have silly typo errors in your ...READ MORE

Dec 18, 2018 in Data Analytics by Tyrion anex
 • 8,280 points • 88 views
0 votes
2 answers

How to sort a data frame by columns in R?

You can use dplyr function arrange() like ...READ MORE

Aug 21 in Data Analytics by anonymous
 • 31,840 points • 152 views
0 votes
2 answers

What is the difference between LDA and PCA for dimensionality reduction?

Principal Component Analysis (PCA) is an unsupervised ...READ MORE

Mar 6 in Data Analytics by Seema
 • 140 points • 1,291 views
0 votes
1 answer

R & MySQl : Error connecting to Database

Check the dbConnect's documentation, you must pass values ...READ MORE

Dec 14, 2018 in Data Analytics by Sophie may
 • 9,870 points • 202 views
0 votes
1 answer

R programming error

Alright, you can either use gsub to match the ...READ MORE

Dec 18, 2018 in Data Analytics by Tyrion anex
 • 8,280 points • 32 views
0 votes
1 answer

Is it possible to change the column names of the dataset that I'm using in R?

That is definitely possible in R. You ...READ MORE

Dec 17, 2018 in Data Analytics by Anisha
edited Dec 17, 2018 • 54 views
0 votes
1 answer

R Programming: matrices

Try this, It will test if a matrix ...READ MORE

Dec 17, 2018 in Data Analytics by Sophie may
 • 9,870 points • 35 views
+2 votes
1 answer

Predict weight and height of a person based on his nationality in R

One of the way by which you ...READ MORE

Dec 12, 2018 in Data Analytics by Kalgi
 • 42,540 points • 134 views
0 votes
1 answer

Error saying "Error in .jfindClass(as.character(driverClass)[1]) : class not found " in R

Cassandra drivers seem to have dependencies that ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,040 points • 196 views
0 votes
1 answer

How to reduce the height of valueBox in shiny R?

Add this line before using your vlaueBoxes tags$head(tags$style(HTML(".small-box ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
 • 538 views
0 votes
1 answer

Error saying "Error in parse(file, keep.source = FALSE, srcfile = src, encoding = enc) : " in shiny R

The error means you’re missing out on ...READ MORE

Nov 28, 2018 in Data Analytics by Maverick
 • 10,040 points • 757 views
0 votes
1 answer

Building a Time series prediction model on web login timestamp

I had done something similar and ran ...READ MORE

Dec 7, 2018 in Data Analytics by Upasana
 • 8,550 points • 358 views
0 votes
1 answer

R Code : Combine two lists with different structures

You seem to be having an empty ...READ MORE

Dec 13, 2018 in Data Analytics by Shubham
 • 13,310 points • 91 views
0 votes
1 answer

R error: Cannot install package while starting R

Try to reinstall R. I got a ...READ MORE

Dec 13, 2018 in Data Analytics by Tyrion anex
 • 8,280 points • 69 views
0 votes
1 answer

Python : Cannot Import Data using Pandas

So< if your error says: ...READ MORE

Dec 7, 2018 in Data Analytics by Upasana
 • 8,550 points • 330 views
+3 votes
3 answers

Issue with dynamic messages when creating a dashboard using shiny R

I had a wrong argument to one ...READ MORE

Dec 3, 2018 in Data Analytics by Ali
 • 10,440 points • 304 views
0 votes
1 answer

Machine Learning and Python Code

You can create an array called actualScore ...READ MORE

Dec 13, 2018 in Data Analytics by Shubham
 • 13,310 points • 69 views
0 votes
2 answers

Error saying "R cannot be resolved" Android Error

Also check this out: https://www.edureka.co/community/29897/saying-ca ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,040 points • 49 views
0 votes
1 answer

How do you change the color of the sliderInput - shiny r

There is so parameter that could be ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
 • 438 views
0 votes
1 answer

Error when trying to execute something reactive on shiny R

There seem to be some issues in ...READ MORE

Dec 5, 2018 in Data Analytics by Maverick
 • 10,040 points • 387 views
0 votes
1 answer

What is the difference between R and SPSS?

One of the main difference is R ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 122 views
0 votes
1 answer

Filter something from dataframe in an order in R

You can use conditional filtering for this ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,040 points • 44 views
0 votes
1 answer

How to create global data sets in R?

You can use the <<- operator for assigning variables ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,040 points • 30 views
0 votes
1 answer

Error saying "Error in open.connection(x, "rb") : Timeout was reached:"

Hey @Ali, even I had faced the ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,040 points • 938 views
0 votes
1 answer

Select table name and corresponding columns frim the sql file - R

Try something like this: library(stringr) library(dplyr) library(tidyr) text <- readLines("file.txt") dataFrame <- ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 55 views
0 votes
1 answer

We can list all data frames in R, Is that possible in python?

Try this: h = [g for n, g ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 54 views
0 votes
1 answer

R - Fitting polynomials to data

lm(y ~ x + I(x^2) + I(x^3)) This ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 56 views
0 votes
1 answer

I’m a noob to R and I’m supposed to printing all even numbers from 1 to 100. Can somebody help me with it?

Try this: Two <- seq(2,100,2) READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 54 views
0 votes
1 answer

Can rows be converted into columns in R?

You can use of the R package ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,040 points • 44 views
0 votes
1 answer

How do I save plots made using shiny R?

You can use a function called downloadHandler ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
 • 320 views
0 votes
1 answer

How to add videos in a shiny R dashboard?

Its pretty simple, try this: server.r library(shiny) shinyServer(function(input, output, session) ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
 • 292 views
+1 vote
2 answers

How can I get experience in Data Science as a fresher?

Work on projects of your own. It’s tough, ...READ MORE

Aug 9, 2018 in Data Analytics by Anmol
 • 3,620 points • 46 views
0 votes
1 answer

How to add grid in ggsurvplot without changing theme in R?

Try something like : j <- ggsurvplot( ...READ MORE

Dec 6, 2018 in Data Analytics by Maverick
 • 10,040 points • 141 views
0 votes
3 answers

Which is a better initiative to learn data science: Python or R?

Well it truly depends on your requirement, If ...READ MORE

Aug 8, 2018 in Data Analytics by Anmol
 • 3,620 points • 66 views
0 votes
1 answer

Error saying "Error in map(.x, .f, ...) : argument ".x" is missing, with no default" in R

There is small mistake in your code. ...READ MORE

Nov 20, 2018 in Data Analytics by Maverick
 • 10,040 points • 825 views
0 votes
1 answer

Error saying "could not find function "shinyUI"" in shiny R

Its a small spelling mistake that you've ...READ MORE

Nov 28, 2018 in Data Analytics by Maverick
 • 10,040 points • 478 views
0 votes
1 answer

Caret and Shiny R giving error

try this server.R code: server=function(input, output){ values ...READ MORE

Dec 5, 2018 in Data Analytics by Maverick
 • 10,040 points • 173 views
0 votes
1 answer

Error saying "ERROR: Expected tag to be of type header" while creating a dashboard using shiny R

sliderInput("bins","number of breaks",1,100,50), this line should come under ...READ MORE

Nov 29, 2018 in Data Analytics by Maverick
 • 10,040 points • 412 views
+1 vote
1 answer

How to plot pixels in R?

You could use ggplot with the option geom_point(shape = "."). For ...READ MORE

Dec 6, 2018 in Data Analytics by Maverick
 • 10,040 points • 62 views
+1 vote
2 answers

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

Try this. lapply(a,function(x){ifelse(is.na(x),mean(a,na.rm = TRUE) ...READ MORE

Aug 14 in Data Analytics by anonymous
 • 101 views
0 votes
1 answer

How do I modify the background grid in ggplot?

You can use the function called background_grid().  This ...READ MORE

Dec 6, 2018 in Data Analytics by Maverick
 • 10,040 points • 85 views
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