cols = vars(sex, species), rows = vars(bill_depth_mm:body_mass_g) ) 结果图 03 RStudio与Github协同 RStudio与Github协同工作,进行代码管理。 1准备工作: 1)安装R和RStudio 2)安装Git 3)注册Github账号 如下图,我的Github账号:wangluqing 我的Github: https://github.com/wangluqing 2 配置操作 1...
Calling dim(women) gives us 15 2, which means 15 rows and two columns. length can be used to count the number of vertical elements in a set. In vectors (see below), this is the number of elements; in data sets like women, this is the number of columns: > nrow(women) [1] 15 ...
cols = vars(sex, species), rows = vars(bill_depth_mm:body_mass_g) ) 结果图 03 RStudio与Github协同 RStudio与Github协同工作,进行代码管理。 1准备工作: 1)安装R和RStudio 2)安装Git 3)注册Github账号 如下图,我的Github账号:wangluqing 我的Github: https://github.com/wangluqing 2 配置操作 1...
```{r Count of missing values}# Table showing the number of missing values in each column (NA or empty string) missing_values_count <- sapply(data, function(x) sum(is.na(x) | x == "")) missing_values_df <- data.frame(
)|>relocate(id,.after=last_col())|>filter(!fn%in%undocumented_fns)#docs is inherited for 21 function from fmt_numberparams_df|>count(inherit_doc_from,sort=TRUE)|>gt()duplicate_docs_without_inherits<-params_df|>filter(is.na(inherit_doc_from))|>select(-inherit_doc_from)|>#remove leading...
calculate approximate row count of the data set based on the size of the file , number of fields in the column ( or usingwcin command line ) and definenrow=parameter define comment.char parameter bigfile.sample<-read.csv("data/SAT_Results2014.csv",stringsAsFactors=FALSE,header=T,nrows=20)bi...
total.pct - proportion of entire table # Load functionsource("http://pcwww.liv.ac.uk/~william/R/crosstab.r") # Frequency countcrosstab(Survey,row.vars="Age",col.vars="Sex",type="f") ## Sex Female Male Sum ## Age ## 0-15 19 20 39 ...
rows = vars(bill_depth_mm:body_mass_g) ) 结果图 03 RStudio与Github协同 RStudio与Github协同工作,进行代码管理。 1准备工作: 1)安装R和RStudio 2)安装Git 3)注册Github账号 如下图,我的Github账号:wangluqing 我的Github: https://github.com/wangluqing ...
Original file line numberDiff line numberDiff line change @@ -923,7 +923,7 @@ Error SchemaUpdater::getSchemaTableColumnCount(int* pColumnCount) Error error; if (connection_->driverName() == SQLITE_DRIVER) { // This query is explicity a SELECT * because we use the # of columns to det...
(prop = 0.1) %>% fct_count() +``` + +把小于2次的归为其他类 + +```{r} +x %>% fct_lump_min(2, other_level = "其他") %>% table() +``` + +把频率小的归为其他类,同时确保其他类仍然是频率最小的 + +```{r} +x %>% fct_lump_lowfreq() %>% table() +``` + +#...