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Excel Performance issues with countif on multiple rows


Excel Performance issues with countif on multiple rows

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Excel Performance issues with countif on multiple rows
Tag : excel , By : LUK
Date : November 25 2020, 07:22 PM


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Excel 2007 COUNTIF in even rows only


Tag : arrays , By : S Hall
Date : March 29 2020, 07:55 AM
wish helps you I have an array of cells (C2:D43) in which I want to count the number of times a particular string ("filler") occurs. However, I only want to consider the even rows in my array (so basically, the array is C2:D2;C4:D4, etc.). How can I do this? I'm working with Excel 2007. , This SUMPRODUCT formula will do it:
=SUMPRODUCT((C2:D43="filler")*(MOD(ROW(C2:D43),2)=0))

Using Countif in Excel to delete rows


Tag : excel , By : TBG
Date : March 29 2020, 07:55 AM
With these it helps @DavidCampbell Because your ival variable was not defined, it was defaulting to null or zero in some cases. That satisfied your condition of ending the Do While (ival > 0). Since ival was less than 0, it ended the whole Do Loop.
Much simpler code to delete rows:
    LastRow2 = DF.Cells(DF.Rows.Count, 1).End(xlUp).Row
    For ii = LastRow2 To 2 Step -1
        If DF.Cells(ii, 4).Value = "GO AWAY" Then
            Rows(ii).EntireRow.Delete xlShiftUp
        End If
    Next ii

Excel Countif in R - Add new column keeping original number of rows


Tag : r , By : Florian D.
Date : March 29 2020, 07:55 AM
this will help I need to add a new column to my dataset, which counts the frequencies of observations in an existing column. So, if an observation occurs two times, I need that new column to give me a 2 twice, next to each occurrence. , A solution using the dplyr package. dat2 is the final output.
library(dplyr)

dat2 <- dat %>% 
  group_by(`Col 1`) %>%
  mutate(`Col 2` = n()) %>%
  ungroup()
dat2 <- dat %>%
  count(`Col 1`) %>%
  left_join(dat, ., by = "Col 1") %>%
  rename(`Col 2` = n)
library(data.table)

setDT(dat)

dat2 <- dat[, "Col 2" := .N, by = "Col 1"]
dat2 <- merge(dat, as.data.frame(table(dat$`Col 1`)), by.x = "Col 1", by.y = "Var1")
names(dat2) <- c("Col 1", "Col 2")
dat <- read.table(text = "'Col 1'  
a
                  a
                  b
                  c
                  c
                  c",
                  header = TRUE, stringsAsFactors = FALSE)

names(dat) <- "Col 1"

Using only an Excel formula, how do I count the number of rows that meet multiple criteria (including a countif)?


Tag : arrays , By : Ari
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I have a spreadsheet with 10 columns. It contains the name of an item, 8 different ratings, and a dollar amount. If there is not a rating for a specific column, the value is "NR" (for not rated). See attached example. , In J2:
=SUM(--(MMULT(--(B7:I16<>"NR"),TRANSPOSE(COLUMN(B7:I16)^0))=1))
=SUM((MMULT(--(B7:I16<>"NR"),TRANSPOSE(COLUMN(B7:I16)^0))=1)*J7:J16)

Excel - COUNTIF and SUMIF across multiple rows


Tag : excel , By : Star Gryphon
Date : March 29 2020, 07:55 AM
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