我有一个像这样的数据框:
df <- as.data.frame(matrix(runif(n=45, min=1, max=10), nrow=5))
colnames(df) <- c("CT1|CT1", "CT1|CT2", "CT1|CT3",
"CT2|CT1", "CT2|CT2", "CT2|CT3",
"CT3|CT1", "CT3|CT2", "CT3|CT3")
rownames(df) <- c("A", "B", "C", "D", "E")
列名称由源名称和目标名称组成,并除以“|”
CT1|CT1 CT1|CT2 CT1|CT3 CT2|CT1 CT2|CT2 CT2|CT3 CT3|CT1 CT3|CT2 CT3|CT3
A 1.556076 7.928573 7.997007 3.404986 4.063141 8.446360 4.701470 5.767476 7.234584
B 2.853771 5.479293 9.412347 4.475027 5.338721 7.016201 8.388517 8.104206 5.298577
C 2.589011 7.458567 2.909283 1.120513 6.396092 8.148159 6.823542 1.209981 8.750885
D 7.183206 9.927155 6.865064 4.441492 5.441872 1.971493 8.046395 5.295071 4.942874
E 4.456933 4.420317 2.129996 8.827218 2.675958 7.513399 5.977327 7.590824 3.203175
我需要为 df 的每一行创建一个邻接矩阵列表。例如,对于 A 行,邻接矩阵应如下所示:
CT1 CT2 CT3
CT1 1.556076 7.928573 7.997007
CT2 3.404986 4.063141 8.446360
CT3 4.701470 5.767476 7.234584
基础R:
data.frame(read.table(text = names(df), sep="|")[col(df),],
row = rownames(df), val = unlist(df))|>
xtabs(val~., data = _)
此打印
, , row = A
V2
V1 CT1 CT2 CT3
CT1 1.556076 7.928573 7.997007
CT2 3.404986 4.063141 8.446360
CT3 4.701470 5.767476 7.234584
, , row = B
V2
V1 CT1 CT2 CT3
CT1 2.853771 5.479293 9.412347
CT2 4.475027 5.338721 7.016201
CT3 8.388517 8.104206 5.298577
如果您需要将其作为列表,请包括
asplit
data.frame(read.table(text = names(df), sep="|")[col(df),],
row = rownames(df), val = unlist(df))|>
xtabs(val~., data = _)|>
asplit(3)
$A
V2
V1 CT1 CT2 CT3
CT1 1.556076 7.928573 7.997007
CT2 3.404986 4.063141 8.446360
CT3 4.701470 5.767476 7.234584
$B
V2
V1 CT1 CT2 CT3
CT1 2.853771 5.479293 9.412347
CT2 4.475027 5.338721 7.016201
CT3 8.388517 8.104206 5.298577
$C
V2
V1 CT1 CT2 CT3
CT1 2.589011 7.458567 2.909283
CT2 1.120513 6.396092 8.148159
CT3 6.823542 1.209981 8.750885
$D
V2
V1 CT1 CT2 CT3
CT1 7.183206 9.927155 6.865064
CT2 4.441492 5.441872 1.971493
CT3 8.046395 5.295071 4.942874
$E
V2
V1 CT1 CT2 CT3
CT1 4.456933 4.420317 2.129996
CT2 8.827218 2.675958 7.513399
CT3 5.977327 7.590824 3.203175