R convert list to numeric
[PDF File]Package ‘tis’ - cran.r-project.org
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Edit the Targetfield on the Shortcuttab to read "C:\Program Files\R\R‐2.5.1\bin\Rgui.exe" ‐‐sdi(including the quotes exactly as shown, and assuming that you've installed R to the default location). Then edit the shortcut name on the Generaltab to read something like R 2.5.1 SDI .
[PDF File]Exploring Data and Descriptive Statistics (using R)
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x y v 6642058 R h 0.7503649 6642059 R h 0.9192344 6642060 R h 0.6846727 > dim(ans1) [1] 14793 3 Now convert to a data.table and extract the same group:
How to Convert R List to Numeric Value
Coercion as.numeric(x) Convert to numeric as.character(x) Convert to text string as.logical(x) Convert to logical factor(x) Create factor from vector x unlist(x) Convert list, result from table() etc. to vector 3. Data frames Accessing data data.frame(height, weight) Collect …
[PDF File]R cheat sheet Modified from: P. Dalgaard (2002 ...
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ls() - list objects in current environment range(x) - minimum and maximum rep(x,n) - repeat the number x, n times rev(x) - elements of x in reverse order seq(x,y,n) - sequence (x to y, spaced by n) sort(x) - sort the vector x order(x) - list the sorted element numbers of x tolower(),toupper() - Convert string to …
[PDF File]Data Transformation with data.table :: CHEAT SHEET
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Collate ss.R contingency.table.R convert.R compare.R glm-test.R imputation.R indata.R long.R misc.R ld.R mvtests.R pedfile.R ... as a simple numeric vector rather than as a list Details These functions operate on objects created by single.snp.tests, snp.lhs.tests, and snp.lhs.tests.
[PDF File]snpStats: SnpMatrix and XSnpMatrix classes and methods
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Convert to an R ’Network’ Object sum.network Combine Networks by Edge Value Addition ... (r){as.list(elData[r,3:5])})) list.edge.attributes(valueNet) add.vertices Add Vertices to an Existing Network Description add.vertices adds a specified number of vertices to an existing network; if desired, attributes for the new vertices may be ...
[PDF File]Introduction to the data.table package in R
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for transforming data in R. It works by converting R’s native data frame objects into data.tables with new and enhanced functionality. The basics of working with data.tables are: dt[i, j, by] Take data.table dt, subset rows using i and manipulate columns with j, grouped according to by. data.tables are also data frames –functions that work ...
[PDF File]list of some useful R functions - Columbia University
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as.Date for the generic function, as.Date.numeric for the method eventually called, andDatefor details of the date class. Examples as.Date(today()) ## invokes as.Date.ti ... asClassyList Convert a vector into a list of objects with the same class Description Turns its argument into a list of elements with the same class as the argument. Usage ...
[PDF File]network: Classes for Relational Data - cran.r-project.org
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2. List • [ ] always returns a list • Use [[ ]] to get list contents, this returns a single value piece out of a list 3. Factor • Drops any unused levels but it remains a factor class 4. Matrix or Array • If any of the dimensions has length 1, that dimension is dropped 5. Data Frame • If output is a single column, it
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