statistics (1)

Example Python program statistics (1).py

Modules

• import tkinter
• import math

Methods

• def initialize():
• def go_to_stats():
• def get_data():
• def get_sum(list):
• def get_mean(list):
• def get_stddev(list):
• def sort_ascend(list):
• def get_min(list):
• def get_max(list):
• def get_medium(list):

Code

Python tkinter example

import tkinter

import math


data_values = []
data_values_2 = []
data_values_3 = []
sum = 0
sum2 = 0
sum3 = 0
mean = 0
mean2 = 0
mean3 = 0
stddev = 0
stddev2 = 0
stddev3 = 0
data_path = "C:/Users/msl/PycharmProjects/untitled1/data.csv"
now_char = ""
now_str = ""
now_line = 0
now_char_num = 0


def initialize():
    home = tkinter.Tk()

    instructions = tkinter.Label(home, text="enter the file path and name for the data below, then click ok")
    instructions.pack(side="top")

    data_list = tkinter.Entry(home, bd=5, textvariable=data_path)
    data_list.pack(side="top")

    go = tkinter.Button(home, text="ok", command=go_to_stats)
    go.pack(side="top")

    home.mainloop()


def go_to_stats():
    get_data()

    sum = get_sum(data_values)
    mean = get_mean(data_values)
    stddev = get_stddev(data_values)
    min = get_min(data_values)
    med = get_medium(data_values)
    max = get_max(data_values)
    sum2 = get_sum(data_values_2)
    mean2 = get_mean(data_values_2)
    stddev2 = get_stddev(data_values_2)
    min2 = get_min(data_values_2)
    med2 = get_medium(data_values_2)
    max2 = get_max(data_values_2)
    sum3 = get_sum(data_values_3)
    mean3 = get_mean(data_values_3)
    stddev3 = get_stddev(data_values_3)
    min3 = get_min(data_values_3)
    med3 = get_medium(data_values_3)
    max3 = get_max(data_values_3)

    sum_str = "sum: " + str(sum)
    mean_str = "mean: " + str(mean)
    stddev_str = "standard deviation: " + str(stddev)
    min_str = "min: " + str(min)
    max_str = "max: " + str(max)
    sum_str2 = "sum: " + str(sum2)
    mean_str2 = "mean: " + str(mean2)
    stddev_str2 = "standard deviation: " + str(stddev2)
    min_str2 = "min:" + str(min2)
    max_str2 = "max: " + str(max2)
    sum_str3 = "sum: " + str(sum3)
    mean_str3 = "mean: " + str(mean3)
    stddev_str3 = "standard deviation: " + str(stddev3)
    min_str3 = "min: " + str(min3)
    max_str3 = "max: " + str(max3)

    stats_window = tkinter.Tk()
    sum_box = tkinter.Label(stats_window, text=sum_str)
    sum_box.grid(row=1, column=1)
    mean_box = tkinter.Label(stats_window, text=mean_str)
    mean_box.grid(row=2, column=1)
    stddev_box = tkinter.Label(stats_window, text=stddev_str)
    stddev_box.grid(row=3, column=1)
    min_box = tkinter.Label(stats_window, text=min_str)
    min_box.grid(row=4, column=1)
    max_box = tkinter.Label(stats_window, text=max_str)
    max_box.grid(row=6, column=1)
    sum_box2 = tkinter.Label(stats_window, text=sum_str2)
    sum_box2.grid(row=1, column=2)
    mean_box2 = tkinter.Label(stats_window, text=mean_str2)
    mean_box2.grid(row=2, column=2)
    stddev_box2 = tkinter.Label(stats_window, text=stddev_str2)
    stddev_box2.grid(row=3, column=2)
    min_box2 = tkinter.Label(stats_window, text=min_str2)
    min_box2.grid(row=4, column=2)
    max_box2 = tkinter.Label(stats_window, text=max_str2)
    max_box2.grid(row=6, column=2)
    sum_box3 = tkinter.Label(stats_window, text=sum_str3)
    sum_box3.grid(row=1, column=3)
    mean_box3 = tkinter.Label(stats_window, text=mean_str3)
    mean_box3.grid(row=2, column=3)
    stddev_box3 = tkinter.Label(stats_window, text=stddev_str3)
    stddev_box3.grid(row=3, column=3)
    min_box3 = tkinter.Label(stats_window, text=min_str3)
    min_box3.grid(row=4, column=3)
    max_box3 = tkinter.Label(stats_window, text=max_str3)
    max_box3.grid(row=6, column=3)


def get_data():

    with open(data_path, 'r', newline="") as data_set:
        now_str = ""
        now_char_num = 0
        now_char = ""
        list = 1

        while now_char_num < 10 ** 6:
            now_char = data_set.read(1)
            now_char_num += 1
            if now_char != ("0" or "1" or "2" or "3" or "4" or "5" or "6" or "7" or "8" or "9" or "-" or "."):
                if now_char == ",":
                    if list == 1:
                        data_values.append(float(now_str))
                    elif list == 2:
                        data_values_2.append(float(now_str))
                    elif list == 3:
                        data_values_3.append(float(now_str))
                    now_str = ""
                    list += 1
                elif now_char == "\n":
                    data_values_3.append(float(now_str))
                    list = 1
                    now_str = ""
                else:
                    now_str += now_char
            else:
                now_str += now_char


def get_sum(list):
    fsum = 0
    for number in list:
        fsum += number
    return fsum


def get_mean(list):
    fmean = 0
    fsum = get_sum(list)
    if len(list) > 0:
        fmean = fsum / len(list)
    return fmean


def get_stddev(list):
    stddv = 0
    fmean = get_mean(list)
    for n in list:
        stddv += (n - fmean) ** 2
    if len(list) > 0:
        stddv = math.sqrt(stddv / len(list))
    return stddv


def sort_ascend(list):
    listAscend = list
    for i in range(0, len(list) - 2):
        for j in range(len(list) - 1, i+1):
            if listAscend[i] > listAscend[j]:
                temp = listAscend[i]
                listAscend[i] = listAscend[j]
                listAscend[j] = temp
    return listAscend


def get_min(list):
    i = 1
    fmin = 0
    for n in list:
        if i == 1:
            fmin = n
            i += 1
        if fmin > n:
            fmin = n
    return fmin


def get_max(list):
    i = 1
    fmax = 0
    for n in list:
        if i == 1:
            fmax = n
            i += 1
        if fmax < n:
            fmax = n
    return fmax


def get_medium(list):
    flist = sort_ascend(list)
    n = (len(flist) - 1) / 2.0
    #o = len(flist) % 2
    if n % 1 == .5:
        o = int(math.floor(n))
        fmed = (flist[o] + flist[0 + 1])/2
    else:
        fmed = flist[n]
    return fmed




initialize()

Useful Links

• Articles: https://python-commandments.org/
• Python shell: https://bsdnerds.org/learn-python/
• Tutorial: https://pythonprogramminglanguage.com/