Despite researching similar questions on stack overflow, I have not been able to make my code work. Here is the initial code I am working with: library(RSelenium) library(rvest) remote_driver <- RSelenium::remoteDriver( remoteServerAddr = "local ...
I have been attempting to tidy up the column names in my R code. The data I am working with is from a JSON dataset that I imported into R using the "stream_in" function from the jsonlite package. Initially, I tried using both the "gsub" command and the "p ...
I have a scenario where I have an R script running on my Raspberry Pi that calls a Python script using the system() function. Let's call this R script tweetsomething.R # first some data cleaning etc. system("python3 tweetImage.py var1 var2" ...
I am attempting to extract text from a news article using the code snippet below: library(rvest) url <- "https://www.bbc.com/future/article/20220823-how-auckland-worlds-most-spongy-city-tackles-floods" final = url %>% read_html() %>% ...
I'm having trouble importing my JSON file into R. I've installed the necessary packages and here's what I attempted: library(rjson) JsonData <- fromJson(file= "<filename.json>") I also tried using the file path and the jsonlite pa ...
Currently, I am working on scraping a series of websites with similar formats such as www.website1.com, www.website2.com, www.website3.com, and so on. In order to extract JSON data from each website, I have implemented a code snippet that includes a "time ...
I'm facing a challenge in hiding a shinydashboard sidebar with a wider width. Upon increasing the width, however, the sidebar isn't completely disappearing from the screen. Here's an example that illustrates the issue I'm trying to address; ## R Code ## l ...
I've been trying to scrape my LinkedIn profile using Rvest, but I encountered a problem in the experience section. The XPath below was supposed to retrieve the experience section, but it's returning 0 nodes: Test <- read %>% html_nodes(xpath = & ...
While I have a strong grasp of R, I am relatively new to JSON file formats and the best practices for parsing them. My current challenge lies in constructing a data frame from a raw JSON file that contains repeated measure data with multiple observations p ...
Dealing with formatting problems while trying to include an R markdown file in an email body. As a CSS novice, I'm struggling to find a solution and it's becoming quite frustrating. The table has the following CSS styling: <!DOCTYPE html ...
I recently obtained a collection of JSON files from the YELP public data challenge. These files can be found at this link: The files are in NDJSON format, and I have successfully read them using the following code: library(jsonlite) df <- stream_in(fi ...
While exploring shiny dashboard, I came across this link that explains how to modify colors in the sidebar and header. However, I'm struggling to change the font color for sidebar items. The default white font color becomes unreadable when using light colo ...
I'm looking to utilize Selenium for web scraping in R. Operating System: Windows 11, version 21H2 I have updated Java to the latest version (1.8.0_351). Mentioning it as it may be a solution in these cases. However, I encounter an error when definin ...
Looking for assistance in converting the given dataframe to JSON format using R. I have tried multiple methods but haven't been successful. Any help would be greatly appreciated. Sample code: df <- data.frame(month = c(1, 1, 1, 2, 2, 2), ...
Problem I seem to have made a mistake in the JSON query syntax, but I can't figure out where. My goal is to group the data in overviewData based on four values and add a COUNT feature. Solution overviewData <- M_CONNECTION$aggregate('[ { ...
I have attempted various methods to insert a JSON object into an array and save it in the same format as the example below, but unfortunately, I have not been successful. Does anyone have a solution to accomplish this in R? Thank you EDIT : I have foun ...
Have you ever heard of PHP's amazing function, strtotime? It can take any string with almost any date format and convert it into a time value (count of seconds since 1970). What I love about it is its future-proof nature compared to functions like str ...
Within my Jupyter Notebook, I am working with the R programming language and would like to integrate javascript functions into it. I'm aware that there are libraries in javascript that can be called from R, but I haven't been able to find any examples of ...
I have been attempting to retrieve data from the following link, http://www.rchsd.org/doctors/index.htm? strt = 0 & ln = & fn = & sp = & grp = & loc = & lng = & gen = , using R but finding it quite challenging. I have observed that the URL remains constan ...
I'm encountering an issue while attempting to extract URLs from a webpage using Rselenium. I keep receiving an InvalidSelector error. My setup consists of R 3.6.0 on a Windows 10 PC, with Rselenium 1.7.5 and Chrome webdriver (chromever="75.0.3770.8") ...
Utilizing the tidyjson package makes extracting neat data from a simple JSON effortless () However, when it comes to dealing with a more intricate nested JSON structure, applying this method becomes challenging. Specific questions like this one (how do yo ...
My knowledge in using R is limited and I need to create a script for a school project. I have a json file with nested lists, and my task is to extract values from two specific attributes. The challenge lies in the fact that these attributes are located i ...
Due to my inclination towards efficiency, I prefer not to waste time on downloading datasets, loading them, and preprocessing just to test some basic functions on various timeseries data. Can you suggest any readily available sample timeseries datasets i ...
I've utilized Leaflet to produce engaging interactive maps in R. However, I'm encountering an issue when trying to export the maps - the background map appears grey after exporting. library(leaflet) library(htmlwidgets) m <- leaflet(data.frame(lat = 5 ...
I am currently facing an issue with detecting and populating elements in an embedded form on my website using RSelenium. The form code is: <div id="form"> <form accept-charset="utf-8" method="POST" novalidate=""> ...
Currently, I am dealing with a large numeric matrix M in R that consists of 11000 rows and 20 columns. Within this matrix, I am conducting numerous correlation tests. Specifically, I am using the function cor.test(M[i,], M[j,], method='spearman' ...
Currently, I have an Rshiny application set to be published on the server but in order to ensure that a specific user has access, we require an API authentication token. The process of authentication is handled within JS tags outside of the application, wh ...
I recently came across a helpful post on how to use R to search for news articles on Google. The post provides a link to Scraping Google News with Rvest for Keywords. The example in the post demonstrates searching for a single term, such as: keyword <- ...
Having multiple JSON files that need to be read and combined in r, each containing data for 51 observations. However, upon reading the JSON file in r, the required information is nested within the "mentions" column. The goal is to extract the time stamp fr ...
If I decide to stick with the default data and presentation of a new ioslides, changing only the second slide (## R Markdown) without affecting the entire item, how can I do this by setting up the css document accordingly? My goal is to simply adjust the f ...
While conducting the G test in both R and Python, I have come across different results. Surprisingly, the results from my Python code seem to be inaccurate, suggesting there might be a misapplication of the formula. The dataset is as follows: prfs Sex F ...
Exploring the jsonlite package in R has brought me to a point where I need to convert a complex list into a JSON object. Let's say we have a list named x: library(jsonlite) x = list(a = 1, B = 2, c = list(D = 4, e = 5, 'F g' = 'NAME', H = list(i = list(j ...
What could explain the significant difference in results between the ADF test in R and Python? Dataset: The R test indicates that the time series is stationary, while the Python test suggests it is non-stationary. Python df = pd.read_csv("../data/ai ...
Recently, I received a helpful solution that involved using the extra_css = argument in cell_spec() from the kableExtra package. This allowed me to fill the entire cell of my table instead of just the text inside it. However, even after specifying align = ...
In the midst of my web scraping endeavors, I have encountered a slight hiccup when trying to extract data from this particular website using RSelenium. While I've had success sending text to various elements on the page, the login field has proven to ...
Here is a question that suggests an easy way to remove space characters in a string using R. However, I encountered an issue when trying to remove a space between two numbers (e.g. 11 846.4) while working with the following table: require(XML) require(RCur ...
Python's Pandas and R's Dplyr are both powerful tools for handling data. In R, using dplyr allows you to achieve the following in a concise manner; custom_func <- function(col1, col2) length(col1) + length(col2) ChickWeight %>% group_by ...
Currently, I am searching for a solution to convert my saved matplotlib graphs as png files along with some data frames into HTML format. This is similar to how I typically use R2HTML in R. Despite my efforts, I have not been able to locate clear informat ...
Currently, I am faced with a challenge related to importing a file in spotfire based on the path provided by the user. To accomplish this, I am utilizing a data function written in R script. In R, it is essential to note that all "" characters are not re ...
Can anyone assist me in finding a method to perform web scraping on a webpage post typing something into its search box? To illustrate, I am seeking an R function capable of typing the term "notebook" directly onto Amazon's homepage, enabling me to condu ...
Encountering difficulties in achieving a visually pleasing document using knitr's export to pdf, I have resorted to converting the html file for my Markdown project to pdf through the wkhtmltopdf command line utility tool. A simplified Markdown docum ...
After experimenting with shinyLP for creating html elements and crafting network diagrams using visNetwork, an interesting observation was made. When visNetwork is placed in a well panel or without any panel at all, it displays properly. However, the issue ...
I want to achieve the equivalent of the commands below in Python: test <- data.frame(convert_me=c('Transform1','Transform2','Transform3'), values=rnorm(3,45, 12), age_col=c('23','33','44')) test library(reshape2) t <- dcast(test, ...
I need help extracting the names of shopping malls from a specific website. The URL is provided here: After examining the html code, I noticed that the mall names are stored under the "h5" tag. I tried to extract the text using the following codes, but it ...
I am looking to import the data table located at the bottom of a specific webpage into R, either as a dataframe or table. The webpage in question is . Initially, I attempted to utilize the readHTMLTable function from the XML package: library(XML) url <- ...
In R plots, the x and y limits are automatically adjusted to add some space between the data and the axes. I am curious if matplotlib has a similar feature to do this automatically. If not, is there a specific formula or rule of thumb that R uses to dete ...
My task involves retrieving user details from the Facebook Graph API. Here is an example of how I am doing it: require(RJSONIO) response <- RJSONIO::fromJSON("http://graph.facebook.com/?ids=Jack") print(response) # $Jack # id first_name ...
As I work on developing a web scraping script, I often encounter errors that require me to handle exceptions. Despite using a tryCatch function to catch these errors, I still see error messages popping up. To suppress these messages, I have used the suppre ...
Currently, I have been exploring the usage examples of networkd3 in r I am curious if there is a way to eliminate the hover effect where everything else fades when hovering over a specific node in the graph. For reference, check out "Interacting with igra ...
Working on a transition table module, my main challenge is presenting the output in a user-friendly manner. In the past, I used Excel for this task, where making the table readable was simple but extracting data from millions of rows took hours. Now with R ...
Currently, I'm dealing with web scraping where one of the websites presents a 'Accept cookies' button within a shadow root. To address this issue, I sought assistance on how to click this button in discussions found here: Click on accept cookie buton with ...
My company recently acquired a JSON data set, and I need to extract specific information from it. However, when attempting to import the data using the "fromJSON" method, I encountered an error as described in the title. With over 16,000 files worth of d ...
I'm currently working on developing a shiny app that can load and display data from a .json file in a table format. I've attempted to import the data and present it using DataTable along with the fromJson function from Json Lite. options(shiny ...
I'm attempting to design a unique Shiny slider that represents the months of the year. My desired outcome is for the slider to display the names of the months as strings, rather than numeric values where 1 corresponds to January, 2 corresponds to February, ...
I've been trying to set up a basic data table where the genus name in the "Coral_taxon" column is italicized, but the "spp." part following it remains lowercase. I thought of using the expression() function for each row in "Coral_taxon," but so far, I have ...
I recently completed a comprehensive tutorial here that delves into the intricacies of Google Analytics. Despite grasping the concepts explained in the tutorial, my understanding of jQuery remains at ground zero. In my ShinyApp, I utilize multiple tabPanel ...
Context I'm looking to display a selection of my bookmarks on my Hugo website, sourced from Firefox in JSON format. I want the output to reflect the nested structure through a nested list, tree view, or accordion format. The content on my website is ...
I am attempting to extract the headline snippets from a local newspaper's articles by utilizing rvest and RSelenium. To access pages beyond the initial one, I need to click on the 'next page' button. Strangely, when I perform this action through RSelenium, ...
Among my JSON entities, there is one called 'info'. Take a look at it: null null { "id": "qwefhu214o", "number": "2346", "date": "28.01.2019" } null null { "id": " ...
Consider the following JSON data: $fraudster [1] FALSE $actionType [1] "LOGIN_FORM" $actionId [1] 10 $eventList [1] "[[1544018118438041139,162.0,38.0,0.023529414,1.0,2131230815,1], [1544018118466235879,162.0,38.0,0.025490198,1.0,2131230815,0], [1544018 ...
I have a script written in Python called `cleaning_script.py` which is used to pre-process individual CSV files. Currently, I am running the script by executing this command in my Rstudio terminal: python3 cleaning_script.py file1.csv results_file1.csv. Th ...
Recently, I acquired a dataset that shows the average temperature change across the entire US, but it is formatted with lat/long range. The original csv file can be found here: original csv I am attempting to convert this data into a raster for visualizat ...
Struggling to navigate using RSelenium, I am faced with missing element text and incomplete page loading. This issue seems to be specific to Chrome, as it works fine on FireFox. An example code snippet: library(RSelenium) rD <- rsDriver(port = 4567L, ...
When it comes to authenticating myself on the api using python, I have a set of parameters that I can use: library(reticulate) import requests url = 'https://api.checkbox.com/v1/my_account/oauth2/token' payload = 'username=my_username& ...
I am currently seeking to determine the font color of hover messages based on the background color. This means white if the background is dark, and black if it is light. However, I stumbled upon a Stack Overflow question with a Javascript solution that see ...
Converting values to rows in CSV and keys to columns in CSV format would be beneficial. { "_id": { "$uId”: “12345678” }, “comopany_productId”: “J00354”, “`company_product name`”: “BIKE 12345”, "search_resu ...
Operating on Windows 7 64bit with Python version 2.7.9, I have successfully installed R-3.2.0. Despite trying previous versions such as R-2.12.2 and R-3.1.3, the result remains the same. To ensure compatibility, I added C:Program FilesRR-3.2.0ini386 ...
Is there a way to modify the format of a json file exported using a downloadButton in a Shiny App? The current code successfully exports a data frame to json, but I want it to have a different structure. Here's the code that currently works: library(s ...
Challenge I am faced with a sizable JSON file (~700,000 lines, 1.2GB in size) that contains Twitter data which needs preprocessing for both data and network analysis purposes. While collecting the data, an error occurred: instead of using " as a separator ...
Looking for assistance in R coding to automatically download all the PDFs linked on this URL: . The goal is to save these PDFs into a designated folder. I've attempted the following script with guidance from , however, it's resulting in errors: library(tid ...
I've been working on a web scraper using RSelenium, but have found that certain tasks are better suited for Python. To streamline this process, I've created a .Rmd file with code snippets in both R and Python. The RSelenium side of the project i ...
I have been attempting to execute an R-script from a js-file but I am consistently receiving a null value as the return. Here is my folder structure: -R_test --example.js --helloWorld.R The contents of example.js are as follows: var R = require(" ...
Here is an example to consider: library(DT) L <- 10 datatable( data.frame( var1 = sapply(1:L, function(x) paste("<X>",paste0(x, letters, LETTERS, "\n", ...
Here is the JSON data that I have: json_data <- data.frame(changedContent=c('{"documents":[],"images":[],"profileCommunications":[],"shortListedProfiles":[],"matrimonyUser":{"createdBy":null,"parentMatrimonyUserId":0,"userSalutationVal":"Mr.","mat ...
I have a JSON URL that I need to parse in R. The URL is https://{{API_HOST}}/api/dd/new and contains both keys and values. I can easily parse this JSON in Postman by using the keys and values in the Headers section. Now, I am looking for a way to achieve t ...