reshape_开发者

How to assign number of repeats to dataframe based on elements of an identifying vector in R?

I have a dataframe with individuals assigned a text id that concatenates a place-name with a personal id (see data, below). Ultimately, I need to do a transformation of the data set from \"long\" to \[详细]

2023-04-10 19:54 分类：问答

Reshape Melt - Easiest way to refer to correct ID and MEASURED columns

Problem I want to melt a dataframe with many columns, using very little typing. The dataframes that I work with often have many columns of which IDs may be numbers, characters or factors. The IDs a[详细]

2023-04-06 00:52 分类：问答

How to change the melt.data.frame function in reshape2 package returned "variable" column to "character" class?

The default b开发者_JS百科ehavior of melt.data.frame is to return the \"variable\" column in \"factor\" class. Here is an example:[详细]

2023-04-05 11:17 分类：问答

Setting correct limits with imshow if image data shape changes

I have a 3D array, of which the first two dimensions are spatial, so say (x,y). The third dimension contains point-specific information.[详细]

2023-04-04 22:40 分类：问答

OpenGL Orthographic Projection Clipping

Assuming I use Orhographic Projection, and have a reshape function like this: void reshape(f32 width, f32 height){[详细]

2023-03-23 06:09 分类：问答

Reshape cast compare to one level

I often have data where I want to compare the value of one level of variable with all the other levels of variable.Each time I write code to do this I wish it were easier.Here\'s an example of the pro[详细]

2023-03-22 07:45 分类：问答

Reshaping a numpy array in python

I have a 48x365 element numpy array where each element is a list containing 3 integers. I want to be able to turn it into a 1x17520 array with all the lists intact as elements. Using[详细]

2023-03-18 19:44 分类：问答

R: {reshape}: (melt.data.frame) How do I replicate a column?

I have an array of iterations in an MCMC algorithm.The rows represent draws from a distribution.The columns represent parameters (variables) in the distribution.For ease of exposition:assume two varia[详细]

2023-03-16 20:33 分类：问答

How to pivot a table to make columns fro a variable row values in R

I have a data.frame with the columns: Month, Store and Demand. MonthStoreDemand JanA100 FebA150 MarA120 JanB200[详细]

2023-03-15 01:14 分类：问答

Reshape data from long to semi-wide in R

I have data in which each participant made 3 judgments on each of 9 objects (27 judgments).The 9 objects varied in a 3x3 design (within subjects) so there are 2 factors.[详细]

2023-03-12 08:36 分类：问答