How to increase the speed of aggregating and …
... calculating the mean of multiple numeric variables for each of multiple groups. I have found ... Aggregate multiple variables with different functions. 99.
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r - length() doesn't work in aggregate function using …
I would like to find the number of observations of multiple numeric variables ... doesn't work in aggregate function using dot notation. ... aggregate function ...
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[R] aggregate(...) with multiple functions - Grokbase
... (mean(x), median(x)) # Apply to all numeric variables ... [R] Reshape with multiple aggregate functions [R] aggregate(), with multiple functions in FUN? [R] ...
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dataframe - R aggregate with multiple arguments in ...
Im tryng to avoid a time consuming for loop by using an aggregate on a data ... R aggregate with multiple arguments in ... out for just two variables, ...
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R tutorial on the Apply family of functions (article ...
Tutorial on the R Apply Family. ... or more precisely the return value of the function has not been assigned to a variable. R simply ... aggregate() tells R that you ...
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An Introduction to reshape2 - Sean Anderson, reshape
An Introduction to reshape2. reshape2 is an R ... melt has assumed that all columns with numeric values are variables ... you also need to tell dcast how to aggregate ...
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R-exercises – Summary Statistics With Aggregate()
Summary Statistics With Aggregate() 16 June 2016 by John Akwei 9 Comments. ... use “.” dot notation to find the means of the numeric variables in airquality“, ...
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Recode Data in R with R Recode Examples | …
How to recode data in R with numerous examples. Recode data in R ... The fifth example shows how to recode data into a new numeric ... I have multiple variables ...
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Introduction to R - Statistics at UC Berkeley
Introduction to R Phil Spector ... Some Basics There are three types of data in R: numeric, character and logical. R supports vectors, ... (variables) of a data frame ...
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R: dplyr - Sum for group_by multiple columns - Mark Needham
Mark Needham. Thoughts on Software Development. R: dplyr – Sum for group_by multiple columns. with 3 comments.
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R help - aggregate(...) with multiple functions
aggregate(...) with multiple functions. hi all ... # Apply to all numeric variables (not ... > > > > what i would like is for aggregate to take a list of functions ...
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Summary Statistics With Aggregate() | R-bloggers
Summary Statistics With Aggregate() June 16, 2016. By John Akwei ... and return means on each of the numeric variables. Exercise 3 Aggregate ...
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r - Aggregate / summarize multiple variables per …
Aggregate / summarize multiple variables per ... you can cbind the numeric variables to be aggregated: aggregate ... each function to aggregate multiple variables ...
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Package ‘AggregateR’ - The Comprehensive R …
Package ‘AggregateR’ November 23, 2015 Type Package Title Aggregate Numeric, Date and Categorical Variables by an ID Version 0.0.2 Date
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How to get a frequency count based on two columns ...
How do I get a frequency count based on two columns (variables) in an R dataframe? ... How can I aggregate the data such as counting on the basis of multiple columns ...
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Aggregation and Restructuring data (from "R in Action ...
Aggregation and Restructuring data (from “R ... returning means on each of the numeric variables ... When you’re using the aggregate() function , the by variables ...
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r aggregate multiple factor variable - Stack Overflow
r aggregate multiple factor variable. ... I would like a aggregate my data.frame following two factors variables and sum the third. The result would give : data.frame ...
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15 Easy Solutions To Your Data Frame Problems In R ...
15 Easy Solutions To Your Data Frame Problems In R. ... observation row per variable, with multiple rows per ... a -in front of the numeric variable that you have ...
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PDF Package ' reshape ' - R - The Comprehensive R …
URL Depends R (>= 2.6.1) Imports plyr ... A data frame with 696 rows and 9 variables funstofun Aggregate multiple functions into a single ...
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Quick-R: Aggregate
Learn how to aggregate data--collapsing data in R--using one or more BY variables and a defined function such ... Aggregating Data . ... # for numeric variables ...
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Summary Statistics With Aggregate() | R-bloggers
Aggregate the “airquality” data by the variable “Day“, remove “NA” values, and return means on each of the numeric variables. Exercise 3 Aggregate “airquality$Solar.R” by “Month“, returning means of “Solar.R“.
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Data Manipulation in R - NPS Science & Nature
This page aims to provide a bit of background on data and data manipulation in R, ... the same length as the numeric variable or ... aggregate(), tapply ...
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R: Compute Summary Statistics of Data Subsets
aggregate {stats} R Documentation: Compute Summary Statistics of Data Subsets ... where the y variables are numeric data to be split into groups according to the ...
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Summarizing Values: GROUP BY Clause and Aggregate Functions
Summarizing Values: GROUP BY Clause and Aggregate Functions. So far, the examples presented have shown how to retrieve and …
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aggregate() | R-statistics blog
Tag: aggregate() nested ... in order to aggregate and reshape data (in R) ... returning means on each of the numeric variables (see the next listing).
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Aggregate – A Powerful Tool for Data Frame in R | R …
The less variables you use in by the more aggregated the end-result: the grand total along a dimension is simply using that dimension as “by”, while subtotals can be achieved using multiple variables as by.
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R: Concatenate Strings
Concatenate Strings ... one or more R objects, to be ... ## You can change the separator by passing a sep argument ## which can be multiple characters ...
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The R Corner – Aggregate Function - soa
The aggregate function in R gives you the ability ... and multiple products (UL, VUL ... by using categorical data values as “by” variables and the numeric ...
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Aggregation | R-bloggers
The aggregate function for SciDB arrays supports groups defined by distinct array attribute values, similarly to the standard R aggregate function syntax. Aggregation by array attributes proceeds by converting the specified array attributes to categorical variables that enumerate distinct attribute values, and then grouping along the …
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Recode Data in R with R Recode Examples | …
How to recode data in R with ... The fifth example shows how to recode data into a new numeric field based ... I have multiple variables that represent Adverse ...
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R help - 10 Minute Time Window Aggregate By Multiple ...
10 Minute Time Window Aggregate By Multiple Grouping Variables. Hello All, I have 1M rows of time stamped information about delivery trucks and their trip related ...
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Base R Graphs/Charts - bl.ocks
Base R Version Data. Let us begin by ... our sample data of 3 factor variables and 4 numeric ... var over levels of one factor var meanagg = aggregate(simData ...
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R 10 Minute Time Window Aggregate By Multiple …
R 10 Minute Time Window Aggregate By Multiple Grouping Variables. by the8thhill Last Updated December 29, 2017 22:19 PM . ... (the numeric variables) ...
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