summarise_if() 计算所有数字列的平均值 msleep%>%group_by(vore)%>%summarise_if(is.numeric,mean,na.rm=TRUE) rename_if( )对列进行重命名 msleep%>%group_by(vore)%>%summarise_if(is.numeric,mean,na.rm=TRUE)%>%rename_if(is.numeric,~paste0("avg_",.)) ## vore avg_sleep_total avg_slee...
summarise_if(is.numeric, mean, na.rm =TRUE)#> # A tibble: 1 × 3#> height mass birth_year#> <dbl> <dbl> <dbl>#> 1 174. 97.3 87.6starwars %>% summarise(across(where(is.numeric), ~ mean(.x, na.rm =TRUE)))#> # A tibble: 1 × 3#> height mass birth_year#> <dbl> <...
Issue described (with solutions) here but I feel like this would be an excellent feature, contingent on it not being too nightmarish to program. Currently summarise_at/summarise_if/summarize_at/summarize_if can only be used once, on a si...
(), all() 1.2 , summarise_if完成一类变量的汇总 iris %>% summarise_if(is.numeric, ~ mean(., na.rm...n # #1 setosa 50 #2 versicolor 50 #3 virginica 50 2.3 逻辑值的计数和比例...这使得 sum() 和 mean() 非常适用于逻辑值:sum(x) 可以找出 x 中 TRUE 的数量, mean(x) 则可以找出...
A request to condense a text might arise if you have not summarised OTHER researcher's texts but quoted them verbatim. つまり、他の研究者などの文章を短く書き直し要約するのはsummarise.しかし、テキスト、特に自分自身のテキストを凝縮するのはcondense. さらに他の研究者などのテキストを要約...
我可以用df %>% summarise_if(is.numeric, .fun = mean)df %>% summarise_if(is.numeric, .fun = function(x, w) weighted.mean(x, w), w = Sepal.Length) 错误是list2(.)中的错误:找不到 浏览5提问于2021-10-03得票数 1 回答已采纳 ...
is.na(location)], default = NA)), first_year_active = ifelse(all(is.na(first_year_active)), NA, last(first_year_active[!is.na(first_year_active)], default = NA)), last_year_active = ifelse(all(is.na(last_year_active)), NA, last(last_year_active[!is.na(last_year_active)...
“Somebody Wanted But So Then” is a powerful catchphrase that can help strengthen and reinforce vital summary skills…if you know what it is and how to use it in your classroom. The Structure of a Somebody Wanted But So Then Summary ...
因为我们正努力要总结07年的工具培训记录,所以如果你有北京,上海,广州的有关以下的信息,你会得到很好的赞赏.
put the main idea in the first paragraph.then you write the supporting details which support the main idea.(it's ok if you had same examples in it.)use some transition words like FIRST, SECOND, LASTLY.DONT NOT INCLUB ANY OPINIONS.