使用R中的XLSX包在Excel中打印data.frame时出错

数据框是可见的,没有任何错误.但是当使用包XLSX的write.xlsx函数打印相同时,它会给出错误.

Error in .jcall(cell, "V", "setCellValue", value) : 
  method setCellValue with signature ([D)V not found.

data.frame的输入看起来像:

Timestamp         qs          pqs        logqs         es         p_imp      dep    r_dep       agg_rtn
               (time)      (dbl)        (dbl)        (dbl)      (dbl)         (dbl)    (dbl)    (dbl)         (dbl)
1 2015-05-04 09:29:59 0.05788732 0.0007478696 0.0007478545 0.09633803 -0.0446830986 3533.518 274079.9 -0.0006432937
2 2015-05-04 10:00:00 0.04948394 0.0006362707 0.0006362707 0.07586009  0.0088016055 2416.431 187953.1  0.0000000000
3 2015-05-04 10:30:00 0.05554795 0.0007142532 0.0007142532 0.06417808 -0.0002739726 3245.574 252422.0  0.0000000000
4 2015-05-04 10:59:59 0.04863014 0.0006194244 0.0006194244 0.08434442  0.0024951076 3563.401 279503.9  0.0000000000
5 2015-05-04 11:30:00 0.05761986 0.0007319037 0.0007319037 0.07851027  0.0154965753 2010.943 158429.1 -0.0006339144
6 2015-05-04 12:00:00 0.04957627 0.0006285051 0.0006285051 0.07025424  0.0070762712 1819.908 143546.0  0.0000000000
Variables not shown: vol_30_sum (dbl), vol_30_mean (dbl), p_return_sqr (dbl), p_return_mean (dbl), Lim_or_out (dbl),
  closing_price (dbl), closing_vol (dbl)

请帮助解决此错误.

仍然没有可重现的例子,但是从class(q1)它看起来q1是一个tbl_df(dplyr包产生的数据帧),而write.xlsx期望a data.frame.

尝试按照预期给出write.xlsx一个平原data.frame.例如

write.xlsx(as.data.frame(q1), ...)

这是一个可重现的示例(即您可以将其复制粘贴到R会话中以重现错误+修复).

library(dplyr)
iris2 <- tbl_df(iris)
class(iris2) # like yours
# [1] "tbl_df"     "tbl"        "data.frame" 

# Now let's try to write to XLSX using command as mentioned in your comments
library(xlsx)
write.xlsx(iris2, file='test.xlsx', sheetName="Sheet1", col.names=TRUE, row.names=FALSE, append=TRUE)
# Error in .jcall(cell, "V", "setCellValue", value) : 
#   method setCellValue with signature ([D)V not found
# In addition: Warning message:
# In if (is.na(value)) { :
#  the condition has length > 1 and only the first element will be used
# ^--- we can reproduce your error. This is the point of a reproducible example, so we can see if our fixes work for you.

现在让我们通过确保write.xlsx获取data.frame而不是tbl_df来尝试修复它!

write.xlsx(as.data.frame(iris2), file='test.xlsx', sheetName="Sheet1", col.names=TRUE, row.names=FALSE, append=TRUE)
# huzzah!