AI代码解释 importpandasaspd# 读取Excel数据df=pd.read_excel("data.xlsx")# 处理缺失值df.dropna(inplace=True)# 计算某列均值mean_value=df["sales"].mean()print(f"销售均值:{mean_value}") 短短几行代码,就完成了数据导入、清洗、分析操作,极大提升效率。 3. SQL:数据库中的数据分析法 当数据量进一...
4、把数据库查询的记录集赋值给数组 Dim rs As ObjectDim cnn As ObjectDim arr()Set cnn = CreateObject("ADODB.Connection")Set rs = CreateObject("ADODB.Recordset")...Set rs = cnn.Execute(Sql)arr = rs.getrows 5、把字典的Keys、Items赋值给数组 arr = dic.keysarr = dic.items 6、通过循环给...
「WorksheetFunction」为组合单词,拆分为Worksheet(表格)和Function(函数),组合起来就是“工作表函数”的意思; 「CountA」也是组合词,拆分为Count(计数)和A,组合起来就是“计数”的意思; 「Sheets("1-基础数据")」前半部分是「Sheets」表示“表格”的意思,而后面加上了「("1-基础数据")」可以推测这一小段表示的...
Go to the Insert tab in the VBA window. Select Module. I A new module window called Module 1 will open. Insert the following VBA code in the module: Code: Sub Count_Rows() Dim rng As Range Set rng = Range("B4:C13") MsgBox rng.Rows.Count End Sub Notes: This code produces a ...
VBA中的数组有动态数组和静态数组之分。 1.1 静态数组 所谓静态数组,即它的长度是固定不可变的。声明语法如下: Dim 数组名(a to b) As 数据类型 其中a和b均为数字,表示数据的索引起始值。也可以只写一个数字,则此时数组使用默认索引,从0开始,数字表示它的索引上界。例如: Dim MyArray1(10) As String ' ...
Insert the following VBA code in a module. SubReading_Cell_Value()Dimref_cellAsRangeSetref_cell=Application.InputBox("Select the cell:",Type:=8)Ifref_cell.Cells.Count>1ThenMsgBox"Please select only one cell"ExitSubEndIfMsgBox ref_cellEndSub ...
数组(Array)是一种用于存储多个相同类型元素的数据结构。在计数操作中,可以使用数组来记录每个元素出现的次数。具体步骤如下: 声明一个数组并初始化:Dim countArr(1 To 10) As Integer 遍历需要计数的数据,并根据元素的值对应地增加计数数组的元素:For Each cell In Range("A1:A10") countArr(cell.Value)...
Function CombineArray(arr As Variant, Optional delimiter As String = "/") As Variant '将一维数组中的所有元素进行组合 Dim n As Long, i As Long, j As Long, k As Long, count As Long Dim result(), temp As String n = UBound(arr) - LBound(arr) + 1 '计算数组长度 co...
The VBA ArrayList is also a very useful data structure if you want to work with dynamic VBA arrays but don’t want the hassle of having to constantly redefine (Redim) the size of the array. ArrayLists don’t have a fixed size so you can keep adding items to it. However, in VBA ...
VBA 300 Examples Ask usCount Words in Excel VBABelow we will look at a program in Excel VBA that counts the number of words in a selected range. One or more spaces are assumed to separate words.Situation:1. First, we declare two Range objects and three variables. We call the Range obj...