707 search results for "sql"

Connecting RStudio and MySQL Docker Containers – an example using the ergast db

January 17, 2015
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Connecting RStudio and MySQL Docker Containers – an example using the ergast db

building on Dockerising Open Data Databases – First Fumblings and my Book Extras – Data Files, Code Files and a Dockerised Application, I just figured out how to get the ergast db into a MySQL docker container and then query it from RStudio: Download and unzip the f1db.sql.gz file to f1db.sql install these docker-mysql-scripts run

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Secure your Shiny apps (against SQL injection)

January 12, 2015
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Shiny takes inputs from UI elements and sends them to the server, where the application...

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RMySQL 0.10.0

January 9, 2015
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RMySQL 0.10.0

Jeroen Ooms and I are very pleased to announce a new version of RMySQL, the R package that allows you to talk to MySQL (and MariaDB) databases. We have taken over maintenance from Jeffrey Horner, who has done a great job of maintaining the package of the last few years, but no longer has time

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Query Pandas DataFrame with SQL

November 1, 2014
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Query Pandas DataFrame with SQL

Similar to SQLDF package providing a seamless interface between SQL statement and R data.frame, PANDASQL allows python users to use SQL querying Pandas DataFrames. Below are some examples showing how to use PANDASQL to do SELECT / AGGREGATE / JOIN operations. More information is also available on the GitHub (https://github.com/yhat/pandasql).

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RSQLite 1.0.0

October 25, 2014
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RSQLite 1.0.0

I’m very pleased to announce a new version of RSQLite 1.0.0. RSQLite is the easiest way to use SQL database from R: library(DBI) # Create an ephemeral in-memory RSQLite database con <- dbConnect(RSQLite::SQLite(), ":memory:") # Copy in the buit-in mtcars data frame dbWriteTable(con, "mtcars", mtcars, row.names = FALSE) #> TRUE # Fetch all results

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PageRank For SQL Lovers

September 24, 2014
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PageRank For SQL Lovers

If you’re changing the world, you’re working on important things. You’re excited to get up in the morning (Larry Page, CEO and Co-Founder of Google) This is my particular tribute to one of the most important, influential and life-changer R packages I have discovered in the last times: sqldf package. Because of my job, transforming

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Build Predictive Model on Big data: Using R and MySQL Part-3

September 21, 2014
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Build Predictive Model on Big data: Using R and MySQL Part-3

Welcome to last part of the series post again! In previous part I discussed about the solutions to the questions mentioned in first part. In this part, we will implement whole scenario using R and MySQL together and see how we can process bigdata(computationally ) Let us recall those questions and summarize their answers to The post Build...

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Build Predictive Model on Big data: Using R and MySQL Part-2

September 21, 2014
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Build Predictive Model on Big data: Using R and MySQL Part-2

Welcome to the second part of the series blog posts. In first part we tried to understand the challenges of fitting predictive model to the large dataset. In this post I will discuss about the solution approach to that challenges. Let’s start rolling. As machine learning technique requires accessing whole dataset for fitting model on The post Build...

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Build Predictive Model on Big data: Using R and MySQL Part-1

September 21, 2014
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Build Predictive Model on Big data: Using R and MySQL Part-1

Wellcome to the series blog posts. Since long time, I am writing post on Machine learning with R. Today I am gonna discuss on big data problem while fitting machine learning on it and its solution using MySQL and R. Before we jump directly to solution, let us discuss about big data little bit. (You The post Build...

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Using SQLite in R

September 16, 2014
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Using SQLite in R

Working on big data requires a clean and robust approach on storing and accessing the data. SQLite is an all inclusive server-less database system in a single file. This is very convenient for data exchange between colleagues. Here is a workflow of SQLite data accessing and data storing in R. Connect to an SQLite database Related posts:

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