Most answered questions in Data Analytics

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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
 • 10,840 points • 3,958 views
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1 answer

Error saying "could not find function "read_html"" when trying to use read_html function

Hey @Ali, Execute the following two commands: install.packages(&l ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,972 views
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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 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 8,413 views
+1 vote
1 answer

Error saying "Error in map_df(1, function(i) { : could not find function "map_df"" in R

Make sure you’ve installed the package purr ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 6,314 views
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1 answer

Error saying "Error: object 'packages' not found" when trying to web scrap using r

Hey @Ali, Its a very silly mistake. ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 872 views
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1 answer

How do I make a parameter dynamic on the url while webscraping?

Just add %d to the parameter you ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 528 views
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1 answer

Error saying "Error in install.packages(rvest) : object 'rvest' not found" when trying to install a package in R

In this line, Install.packages(“rvest”) Add rvest inside double ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,394 views
0 votes
1 answer

Error saying "Error in install.packages("epiR") : unable to install packages" when trying to install a package

Your system does not contain a personal ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,210 views
+1 vote
1 answer

Error saying "Error in file(out, "wt") : cannot open the connection" when execute help command in r

Hey @Ali, change working dir, exit r ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 10,939 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 • 1,520 views
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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
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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 • 387 views
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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 • 588 views
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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 • 754 views
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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 • 348 views
+1 vote
1 answer

Error saying "EXPR must be a length 1 vector" when trying to use the switch functionality

You can use the ifelse function: df$Value <- ifelse(d ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,295 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 • 518 views
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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 • 483 views
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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 • 3,429 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 • 2,041 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 • 492 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 • 1,182 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 • 538 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 • 993 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 • 1,442 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 • 575 views
+1 vote
1 answer

Error saying "vector size cannot be NA" when using R with data mining

You can use the removesparseterm function.  Removes sparse ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 4,406 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 • 1,039 views
+1 vote
1 answer

How to standardize rows when cleaning data?

The goal of this step is to ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 536 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 • 667 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 • 2,471 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 • 2,687 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 • 477 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 • 902 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 • 607 views
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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 • 784 views
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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 • 494 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 • 722 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 • 611 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 • 603 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 • 1,250 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 • 453 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 • 414 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 • 3,331 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 • 412 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 • 374 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 • 1,432 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 • 1,770 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 • 1,502 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 • 1,529 views
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