Tuesday, 11 March 2014

In R, is there a way to handle NA in an integer column of a data.frame so that NA values are not included when subsetting?

In R, is there a way to handle NA in an integer column of a data.frame so
that NA values are not included when subsetting?



1.R Data Import/Export - Cran

Description:1.2 Export to text files. Exporting results from R is usually
a less contentious task, but there are still a number of pitfalls. There
will be a target application in ...



2.An Introduction to R - Cran

Description:1.3 R and statistics. Our introduction to the R environment
did not mention statistics, yet many people use R as a statistics system.
We prefer to think of it of an ...



3.sqldf - SQL select on R data frames - Google Project Hosting

Description:SQL select on R data frames. To write it, it took three
months; to conceive it – three minutes; to collect the data in it – all my
life. F. Scott Fitzgerald ...



4.R & Bioconductor - Manuals

Description:This R tutorial provides a condensed introduction into the
usage of the R environment and its utilities for general data analysis and
clustering.



5.Statistical Computing with R: A tutorial - Welcome to the ...

Description:0.1. What is R? R is a software package especially suitable
for data analysis and graphical representation. Functions and results of
analysis are all stored as ...



6.R: R News - ETH Zürich

Description:R News CHANGES IN R-devel NEW FEATURES. type.convert() (and
hence read.table()) returns a character vector or factor when representing
a numeric input as a double ...



7.R: Extract or Replace Parts of an Object - ETH Zürich

Description:Details. These operators are generic. You can write methods to
handle indexing of specific classes of objects, see InternalMethods as
well as [.data.frame and [.factor.



8.Annotated Manhattan plots and QQ plots for GWAS using R ...

Description:25-04-2011 · Last year I showed you how to create manhattan
plots, and later how to highlight regions of interest, using ggplot2 in R.
The code was slow, required a lot ...



9.The R Project for Statistical Computing

Description:R, also called GNU S, is a strongly functional language and
environment to statistically explore data sets, make many graphical
displays of data from custom command ...



10.Working with Spatial Data - University of California, Davis

Description:Ordinary Kriging Example: R via text file Overview: A simple
example of how to use R to perform interpolation with ordinary kriging,
using data from a text file.

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