mayosen

library(XML)
library(plotrix)
library(moments)

url <- "http://www.pogodaiklimat.ru/history/34123.htm"
years <- readHTMLTable(url, which = 1)
table <- readHTMLTable(url, which = 2)
table[table == 999.9] <- NA
table <- na.omit(table)

mayosen

import java.util.EmptyStackException;
import java.util.StringTokenizer;
import java.util.regex.Pattern;

public class ShuntingYard {
    public static final String NUMBER_REGEX = "\\d+(/\\d+)?";
    public static final String FUNCTION_REGEX = "sin|cos";
    private static final String DELIMITER = " ";
    private static final List<String> operators = new ArrayList<>(new String[]{"^", "*", "/", "+", "-"});