Most voted questions in Data Analytics

0 votes
2 answers

Message saying "would you like to use a private library instead?" when trying to install a package

This question appears if your user environment ...READ MORE

Nov 4, 2019 in Data Analytics by Goose
 • 140 points • 19,600 views
0 votes
1 answer

Error saying "Error in lag(x, 1) : unused argument (1)"

lag only works as expected with time-series ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,527 views
0 votes
1 answer

I'm trying to figure out a formula to be able to divide the max and min number inside the intervals.

#One possible solution is to split by ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 337 views
0 votes
1 answer

How do I copy an excel file to my Rconsole with all the missing values?

You can use read.table function in the ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 395 views
0 votes
1 answer

extract token using R

Just add collapse = FALSE in your unnest_tokens: library(tidytext) library(dplyr) jobs %>% ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 591 views
0 votes
1 answer

how do I run this R program on hadoop.

You can use hadoop streaming to read ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 764 views
0 votes
1 answer

Editing the plots/visualization on a timeline.

find the ten lowest total cash flows. ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 350 views
0 votes
1 answer

Is there way for achieving continuous integration with R?

You can use svunit for this purpose. ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 525 views
0 votes
1 answer

R programming logic

Use gsub to match the substring that we want ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 488 views
0 votes
1 answer

Convert java code to R code

You can rjava package for this purpose. rJava is ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,439 views
0 votes
1 answer

Error saying "Error: package or namespace load failed for ‘FactoMineR’" when using data mining on RStudio

Try reinstalling the package quantreg. Hope this works. Its ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,049 views
0 votes
1 answer

When I pars xml (scraping Google RSS) national symbol (Cyrillic) is breaking

try this: url.tmp <- "http://news.google.ru/news?hl=ru&gl=ru&q=" symbol <- "быть OR ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 498 views
0 votes
1 answer

Error saying "missing 'sequenceID' or 'eventID'" when trying to convert my data into cSPADE compatible format.

Try this: source dataset in this format: 1 3 ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,192 views
0 votes
1 answer

Convert Brightkite location ID to place name

This can be dine using The geonames API. GeoNames ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 547 views
0 votes
1 answer

Error saying "Error in lapply(rdmTweets, as.data.frame) : object 'rdmTweets' not found"

You need to load the data file ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,004 views
0 votes
1 answer

Error saying "Error in df$item : object of type 'closure' is not subsettable" when trying to use arules package

Try replacing ID <- c("A123","A123","A123","A123","B456","B456","B456") item <- c("bread", "butter", ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,454 views
0 votes
1 answer

Trying to find frequent itemsets of a data set using arules package

Try replacing ID <- c("A123","A123","A123","A123","B456","B456","B456") item <- c("bread", "butter", "milk", ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 581 views
0 votes
1 answer

Error saying "Failed to get an access token." when trying to access my Google Analytics API

Try this: library(RGoogleAnalytics) oauth_token <- Auth( client.id = ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,047 views
0 votes
2 answers

what are the different ways of getting/reading data into for cleaning

Most used functions for reading or extracting ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 503 views
0 votes
1 answer

What do you mean by technically correct data in data science?

we define technically correct data as a ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 675 views
0 votes
1 answer

What does the inf special character mean in R?

inf stands for infinity and only applies ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,494 views
0 votes
1 answer

What are special values in R

Like most programming languages, R has a ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,707 views
0 votes
1 answer

How to remove certain character from a vector

We can use sub to remove the * by specifying fixed = ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 486 views
0 votes
1 answer

Is a GUI available for some basic csv file edits?

You can have a look at this csved ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 910 views
0 votes
1 answer

What is raw data?

Raw data is the data that hasn’t ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 616 views
0 votes
1 answer

Why is data cleaning needed?

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

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 797 views
0 votes
1 answer

Getting rid of extra periods - cleaning data using R

Just try removing the periods using sub ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 498 views
0 votes
1 answer

Cleaning raw data

Try this using read.fwf d <- read.fwf(textConnection( " ...READ MORE

Nov 13, 2018 in Data Analytics by Ali
 • 11,360 points • 730 views
0 votes
1 answer

Clean and standardize words using R

You might want to checkout the stringdist package, e.g.: library(stringdist) toMatch ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 618 views
0 votes
1 answer

Manipulate character string using gsub() and perform multivariate data cleaning efficiently in R

gsubfn is perfect for this task: library(gsubfn) as.vector(sapply(gsubfn("[A-Z]", list(B="* 1", ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 607 views
0 votes
1 answer

How do I remove unnecessary redundant data from a dataset?

You can use dimensionality reduction methods such as ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,256 views
0 votes
1 answer

Cleaning a Data Frame Using Regexp in R

The simplest way: library(dplyr) library(stringi) df %>% mutate(NUMERO_APPEL.fix = ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 461 views
0 votes
1 answer

Look for certain values from not cleaned data

First see what rows meet t$ps04==1 & t$rectyp==1. ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 421 views
0 votes
1 answer

Replace comma with a period in data cleaning using R

You can use the scan function in ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,354 views
0 votes
1 answer

Clean a set of data using R

Try this: NCM <- c(5,1,3,2,4) Mbrand <- c(1,5,3,4,2) fac<-factor(Mbrand, levels ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 418 views
0 votes
1 answer

Cleaning data using R

Try something like this: text1='"id","gender","age","category1","category2","category3","category4","category5","category6","category7","category8","category9","category10" 1,"Male",22,"movies","music","travel","cloths","grocery",,,,, 2,"Male",28,"travel","books","movies",,,,,,, 3,"Female",27,"rent","fuel","grocery","cloths",,,,,, 4,"Female",22,"rent","grocery","travel","movies","cloths",,,,, 5,"Female",22,"rent","online-shopping","utiliy",,,,,,,' d1 <- read.table(text=text1, sep=",", ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 378 views
0 votes
1 answer

Error with shortest.path function in R

you have a directed graph. The shortest.paths function will ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,440 views
0 votes
1 answer

Error saying "duplicate 'row.names' are not allowed" when trying to setup my data for the mlogit-package

Take out the chid.var argument in your call to mlogit.data, ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,775 views
0 votes
1 answer

Lot of errors when trying to install R package "igraph"

change your ~/.R/Makevars file as C=gcc-5 CXX=g++ CXX1X = g++-5 CFLAGS = ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,515 views
0 votes
1 answer

Error saying "Error in sprintf("%x", 2151028214):invalid format '%x'; use format %f, %e, %g or %a for numeric objects"

gcc : format ‘%x’ expects an argument ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,548 views
0 votes
1 answer

Error saying " "solarspectrum3" not resolved from current namespace (SolarSpectrum)"

the call to .C() or .Call() needs to be amended in ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 600 views
0 votes
1 answer

Error saying " Failed to connect to database: Error: Lost connection to MySQL server at 'handshake"

try this: library(RODBCext) sqlString <- "Select * from yourtable ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,622 views
0 votes
1 answer

Error sayimg "Executing test function test.should_error ... Timing stopped at: 0 0 0 " in R

In your testthat tests you declare an anonymous function like so: function() ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 814 views
0 votes
1 answer

Creating barplot with standard errors plotted in R

For df1 plot # Group data by when ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 915 views
0 votes
1 answer

R installation errors on ubuntu 14.04

 In /etc/apt/sources.list or one of the /etc/apt/sources.list.d/*.listreplace xenial with trusty and run apt-get update. After ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 421 views
0 votes
1 answer

Error saying expected symbol in R

Write the code in the following way: myfunction ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,727 views
0 votes
1 answer

Error saying "some group too small for qda"

It's not wrong code (there is little ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 4,213 views
0 votes
1 answer

Error saying "R Error: package ‘lme4’ required by ‘pbkrtest’ could not be found"

Windows 7, revo R 3.2.3 construct a directory ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 565 views
0 votes
1 answer

Error saying "Error in x$children[[1]] : subscript out of bounds" while web scrapping

You could try the httr library: library(XML) library(httr) url <- 'http://www.sainsburys.co.uk/shop/gb/groceries/fruit-veg/all-fruit#langId=44&storeId=10151&catalogId=10122&categoryId=12545&parent_category_rn=12518&top_category=12518&pageSize=30&orderBy=FAVOURITES_FIRST&searchTerm' doc <- ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,885 views
0 votes
1 answer

Error saying "Error in xy.coords(x, y, xlabel, ylabel, log) : 'x' and 'y' lengths differ"

Make sure is a factor time <- as.factor(c("pm", ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 7,142 views
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