I am using 9 files with different data (proteins per tissue data). Each file represents a different tissue and has values of proteins expression (as numbers). I am trying to merge the data into one da
I have a data frame called \"newprice\" (see below) and I want to change the column names in my program in R.
This question already has answers here: 开发者_JAVA百科 Closed 11 years ago. Possible Duplicate: Extracting indices for data frame rows that have MAX value for named field
I have a dataframe like variable x. x<-\"start.xstop.x strand.xstart.ystop.y strand.y 11695418916963562-1695418916963562-
I\'ve got a dataframe like variable k. The column all_possible_names contains more identifiers for the ILMN code.
I have a list of dataframes for which I开发者_如何学JAVA am certain that they all contain at least one row (in fact, some contain only one row, and others contain a given number of rows), and that the
I often find myself having to perform repetitive tasks in R. It gets extremely frustrating having to constantly run the same function on one or more data structures over and over again.
I have a dataframe like z: z <- matrix(c(1,0,0,1,1,0,0, 1,0,0,0,1,0,0, 0,0,0,0,0,0,0, 0,0,1,0,0,0,0), nrow=7,
I am trying to obtain column sums & row sums by aggregating with previous row sums & column sums.
Just had a conversation with coworkers about this, and we thought it\'d be worth seeing what people out in SO land had to say.Suppose I had a list with N elements, where开发者_JS百科 each element was
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