R data frame select rows: free download. On-line document store on 5y1.org

[DOC File]R Tutorial:
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Geometric Interpretation of Gene Co-Expression Network Analysis, Applied to Female Mouse Liver Microarray Data. Jun Dong, Steve Horvath. Correspondence:
r selecting data from dataframe

[DOCX File]Module 3 examples - R code
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The following commands are intended to demonstrate the importance of using the sample weight in your analyses. The weighted estimate produces the correct point estimates for the prevalence of hypertension. However, your analysis must account for the complex survey design of NHANES (e.g. stratification and clustering), in order to produce correct standard errors (and confidence intervals ...
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[DOCX File]uclatall.github.io
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Vehicle specification data for a group of 15 vehicles are as follows: Variable Label . ID Participant number. mpg Miles per Gallon. engine Engine Size(cu. Inches) horse Horsepower. originCountry of Origin of the Vehicle (1 = American, 2 = Asian, 3 = European) ID. mpg. engine ...
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[DOC File]R Tutorial:
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# Read in all the functions for network analysis and load the data. # ===== # put the data file and the two function files in this directory. You should change the path to your own where you put your files. setwd("E:/Documents and Settings/jundong/My Documents/Steve/Network Char/tutorial"); ...
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[DOCX File]RStudio - 01
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Here is a simple method to remedy that: create a new R object Y containing the new data frame and then change the name of the column names: Y
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[DOCX File]Lab 5 – External Data: Using SQL - SAGE Publications Inc
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One of the basic data-building blocks in R is the dataframe, and this object bears a very strong resemblance to the concept of a table in SQL. In fact, there is a package in R called “sqldf” that allows for the manipulation of a dataframe as an SQL table. This feat is …
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[DOCX File]Part 1: Create some tables and graphs describing the new ...
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Using base R we’ve learned previously, perform these tasks to convert it to a table called county_data: Filter to just include rows where variable is cores. Rename the columns to variable, cores, county_name and FIPS. Drop the “variable” column. Covert cores to a number if it is a character (check with str()!)
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[DOC File]Assignment 1: Introduction to R
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The solution is another complex object called a data frame. The data frame views rows as cases and columns as variables. All elements in a column must be the same mode, but different columns may be different modes. > grades.df grades.df. Name Test1 Test2. 1 Bob 80 40. 2 Bill 95 87. 3 Betty 92 90
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[DOC File]Assignment 1: Introduction to R - University of Idaho
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The solution is another complex object called a data frame. The data frame views rows as cases and columns as variables. All elements in a column must be the same mode, but different columns may be different modes. > grades.df grades.df. Name Test1 Test2. 1 Bob 80 40. 2 Bill 95 87. 3 Betty 92 90
r selecting data from dataframe

[DOC File]Using R version 2 - Psychology and Neuroscience
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data.frame (and give it a name) that links the two variables: Data1
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R data frame select rows