183 lines
6.5 KiB
Python
183 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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脚本说明：
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本脚本用于KANO需求分析，能够处理问卷数据并输出需求分类结果
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"""
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import re
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import numpy
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import pandas
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from utils.pandas_extension import save_as_workbook
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print("1 打开并读取Excel文件...", end="")
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try:
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dataset = pandas.read_excel(io="KANO模型客户调研问卷.xlsx", sheet_name="问卷结果")
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# 选项范围
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alternatives = ["非常满意", "理应如此", "无所谓", "勉强接受", "不满意"]
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# 数据清洗
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dataset = (
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dataset.iloc[
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:, 3:
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] # 原始数据第一列为编号、第二列为提交人、第三列为提交时间，从第四列到最后一列为选项，删除第一列至第三列
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.loc[lambda dataframe: dataframe.nunique(axis=1) != 1] # 删除相同选项的样本
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.map(
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lambda cell: cell if cell in alternatives else pandas.NA
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) # 检查是否在选项范围，若不在选项范围则置为缺失值
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.dropna(axis="index", how="any") # 删除缺失值
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)
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# 统计样本数
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samples_size = dataset.shape[0]
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# 若样本数为0则抛出异常
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if samples_size == 0:
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raise Exception("样本数为0")
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# 统计列数
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columns = dataset.shape[1]
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# 若列数非奇数则抛出异常
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if columns % 2 != 0:
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raise Exception("列数为奇数")
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print(f"已完成，样本数为{samples_size}")
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except Exception as exception:
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print(f"发生异常：{str(exception)}")
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exit()
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print("2 生成KANO评价结果...", end="")
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# KANO评价结果
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kano = pandas.DataFrame()
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for column in range(columns):
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if column % 2 != 0:
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continue
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# 功能名称
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feature = re.search(
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pattern="【(?P<feature>.*?)】", string=dataset.columns[column]
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).group("feature")
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# 生成某功能的选项分布
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distribution = pandas.crosstab(
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index=dataset.iloc[:, column], # 行索引为如果该产品有{{功能名称}}的选项
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columns=dataset.iloc[:, column + 1], # 列索引为如果该产品没有{{功能名称}}的选项
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rownames=[""],
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colnames=[""],
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normalize=True, # 转为占比
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).reindex(index=alternatives, columns=alternatives, fill_value=0)
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kano = pandas.concat(
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objs=[
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kano,
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pandas.DataFrame(
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[
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{
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"功能名称": feature,
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"魅力属性": distribution.loc[
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"非常满意", ["理应如此", "无所谓", "勉强接受"]
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].sum(),
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"期望属性": distribution.loc["非常满意", "不满意"].sum(),
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"必备属性": distribution.loc[
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["理应如此", "无所谓", "勉强接受"], "不满意"
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].sum(),
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"无差异属性": distribution.loc[
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["理应如此", "无所谓", "勉强接受"],
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["理应如此", "无所谓", "勉强接受"],
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]
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.sum()
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.sum(),
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"反向属性": distribution.loc[
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["理应如此", "无所谓", "勉强接受", "不满意"], "非常满意"
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].sum()
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+ distribution.loc[
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("不满意", ["理应如此", "无所谓", "勉强接受"])
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].sum(),
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"可疑结果": distribution.loc["非常满意", "非常满意"]
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+ distribution.loc["不满意", "不满意"],
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}
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]
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),
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],
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ignore_index=True,
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)
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# 计算better-worse分数，并贴标签
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kano = (
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kano.assign(
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满意系数=lambda dataframe: (dataframe["魅力属性"] + dataframe["期望属性"])
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/ (
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dataframe["魅力属性"]
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+ dataframe["期望属性"]
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+ dataframe["必备属性"]
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+ dataframe["无差异属性"]
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),
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不满意系数=lambda dataframe: (dataframe["必备属性"] + dataframe["期望属性"])
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/ (
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dataframe["魅力属性"]
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+ dataframe["期望属性"]
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+ dataframe["必备属性"]
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+ dataframe["无差异属性"]
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),
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)
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.pipe(
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lambda dataframe: dataframe.assign(
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需求标签=numpy.select(
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condlist=[
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(dataframe["满意系数"] >= dataframe["满意系数"].mean())
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& (dataframe["不满意系数"] >= dataframe["不满意系数"].mean()),
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(dataframe["满意系数"] >= dataframe["满意系数"].mean())
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& (dataframe["不满意系数"] < dataframe["不满意系数"].mean()),
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(dataframe["满意系数"] < dataframe["满意系数"].mean())
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& (dataframe["不满意系数"] < dataframe["不满意系数"].mean()),
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(dataframe["满意系数"] < dataframe["满意系数"].mean())
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& (dataframe["不满意系数"] >= dataframe["不满意系数"].mean()),
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],
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choicelist=[
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"期望型需求(P2)",
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"魅力型需求(P3)",
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"无差异需求(P4)",
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"必备型需求(P1)",
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],
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default="未分类",
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),
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)
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)
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.assign(
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魅力属性=lambda dataframe: dataframe["魅力属性"].apply(
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lambda cell: f"{cell:.2f}"
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),
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期望属性=lambda dataframe: dataframe["期望属性"].apply(
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lambda cell: f"{cell:.2f}"
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),
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必备属性=lambda dataframe: dataframe["必备属性"].apply(
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lambda cell: f"{cell:.2f}"
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),
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无差异属性=lambda dataframe: dataframe["无差异属性"].apply(
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lambda cell: f"{cell:.2f}"
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),
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反向属性=lambda dataframe: dataframe["反向属性"].apply(
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lambda cell: f"{cell:.2f}"
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),
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可疑结果=lambda dataframe: dataframe["可疑结果"].apply(
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lambda cell: f"{cell:.2f}"
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),
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满意系数=lambda dataframe: dataframe["满意系数"].apply(
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lambda cell: f"{cell:.2f}"
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),
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不满意系数=lambda dataframe: dataframe["不满意系数"].apply(
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lambda cell: f"{cell:.2f}"
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),
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)
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)
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save_as_workbook(worksheets=[("Sheet1", kano)], workbook_name="result.xlsx")
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print("已完成")
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