l******9
发帖数: 579 | 1 【 以下文字转载自 Statistics 讨论区 】
发信人: light009 (light009), 信区: Statistics
标 题: data grouping, sub-grouping by column variable in R
发信站: BBS 未名空间站 (Wed Feb 26 13:25:43 2014, 美东)
I am working on data collection by R on Win7.
The given data is:
var1 var2 value
I need to do grouping by var1 and then for each var1 , do grouping by var2.
Then, the output is column vectors of values that are associated with the
same var1 and var2. Here, var1 and var2 are like keys.
Example,
var1 var2 value
... 阅读全帖 |
|
l******9
发帖数: 579 | 2 【 以下文字转载自 Statistics 讨论区 】
发信人: light009 (light009), 信区: Statistics
标 题: data grouping, sub-grouping by column variable in R
发信站: BBS 未名空间站 (Wed Feb 26 13:25:43 2014, 美东)
I am working on data collection by R on Win7.
The given data is:
var1 var2 value
I need to do grouping by var1 and then for each var1 , do grouping by var2.
Then, the output is column vectors of values that are associated with the
same var1 and var2. Here, var1 and var2 are like keys.
Example,
var1 var2 value
... 阅读全帖 |
|
l******9
发帖数: 579 | 3 I am working on data collection by R on Win7.
The given data is:
var1 var2 value
I need to do grouping by var1 and then for each var1 , do grouping by var2.
Then, the output is column vectors of values that are associated with the
same var1 and var2. Here, var1 and var2 are like keys.
Example,
var1 var2 value
1 56 649578
2 17 357835
1 88 572397
2 90 357289
1 56 427352
2 17 ... 阅读全帖 |
|
